india sudar - science experimental based learning and awareness - ebook - ocpl - ver 3.0

111
Þ‰Fò„²ì˜ è™M Üø‚è†ì¬÷ (6, 7 ñŸÁ‹ 8 õ°Š¹èÀ‚°Kò¶) [email protected] www.indiasudar.org INDIA SUDAR EDUCATIONAL & CHARITABLE TRUST Science Experimental Based Learning & Awareness (SEBLA) âOò «ê£î¬ùèœ õN ÜPMò™ èŸø™ ¬è«ò´

Upload: india-sudar-educational-and-charitable-trust

Post on 06-Apr-2018

222 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 1/110

Þ‰Fò„²ì˜ è™M Üø‚è†ì¬÷

(6, 7 ñŸÁ‹ 8 õ°Š¹èÀ‚°Kò¶)

[email protected] www.indiasudar.org

INDIA SUDAR EDUCATIONAL & CHARITABLE TRUSTScience Experimental Based Learning & Awareness (SEBLA)

âOò «ê£î¬ùèœ õNÜPMò™ èŸø™ ¬è«ò´

Page 2: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 2/110

Page 3: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 3/110

India Sudar Educational & Charitable Trust

Science Experimental Based Learning & Awareness (SEBLA)

âOò «ê£î¬ùèœ!

ÜPè ÜPMò™!!

 ÞŠ¹ˆîè‹ India Sudar Open Charity Platform Licence (ISOCPL)-¡ W› ªõOJìŠð´Aø¶. Þ‰Fò„²ìK¡ ªðò˜ Aò õ‡í‹ ÞŠ¹ˆî般î âõ˜ «õ‡´ñ£ù£½‹

 Þô£ð «ï£‚èI¡PŠ ðò¡ð´ˆî ÜÂñF ÜO‚èŠð´Aø¶.

Þ‰Fò„²ì˜ è™M Üø‚è†ì¬÷

(6, 7 ñŸÁ‹ 8 - õ°Š¹èÀ‚°Kò¶)

âOò «ê£î¬ùèœ õNÜPMò™ èŸø™ ¬è«ò´

Page 4: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 4/110

Ëô£CKò˜ °¿

F¼. M.P.²«ówó£ü¡ , ÝCKò˜ (挾), ªð£œ÷£„C.

F¼. G.F«ùw°ñ£˜, ÝCKò˜, Þ‰Fò„²ì˜.

F¼. T.è‡í¡, ÝCKò˜, Þ‰Fò„²ì˜.

F¼. P.ªðKòê£I, ÝCKò˜, Þ‰Fò„²ì˜.

¹ˆîè õ®õ¬ñŠ¹

F¼. M.P.²«ówó£ü¡, ÝCKò˜ (挾), ªð£œ÷£„C.

F¼. C. H«ó‹ Ýù‰ˆ, æMò ÝCKò˜,

Üó² ñ¶¬ó ꘂè¬ó ݬô «ñQ¬ôŠðœO, 𣇮òó£ü¹ó‹, ñ¶¬ó.

Ëô£‚èˆF™ àîM

 F¼. L. ï£ó£òí¡, º¶G¬ô ÝCKò˜,ÜóCù˜ «ñQ¬ôŠðœO, Üóƒèï£î‹«ð†¬ì, èϘ ñ£õ†ì‹.

F¼ñF. K. ê‡ºèõ®¾, º¶G¬ô ÝCK¬ò,

ÜóCù˜ «ñQ¬ôŠðœO, Üóƒèï£î‹«ð†¬ì, èϘ ñ£õ†ì‹.

F¼ñF. T. FôèõF, ð†ìî£K ÝCK¬ò,

ÜóCù˜ ªð‡èœ «ñQ¬ôŠðœO, èϘ.

º¬ùõ˜. P. ó£‹°ñ£˜, àîMŠ «ðó£CKò˜,

îI›ˆ¶¬ø, õœÀõ˜ ÜPMò™ ñŸÁ‹ «ñô£‡¬ñ‚ è™ÖK, èϘ.

ðJŸC ñŸÁ‹ 弃A¬íŠ¹

F¼. K. è‡í¡ , àîM 弃A¬íŠð£÷˜,ܬùõ¼‚°‹ Þ¬ìG¬ô‚ è™MˆF†ì‹ (RMSA), «è£¬õ ñ£õ†ì‹

F¼. R. °í«êèó¡ , î¬ô¬ñò£CKò˜,

ÜóCù˜ ¶õ‚èŠðœO, ñ£òÛ˜, 輘 ñ£õ†ì‹.

F¼. G. ñEè‡ì¡, î¬ô¬ñò£CKò˜,

áó£†C å¡Pò ¶õ‚èŠðœO, C½‚è ‚è¡ð†®, F¼ŠÌ˜ ñ£õ†ì‹.

F¼. S. ê‰Fó«êè˜, ÝCKò˜,

áó£†C å¡Pò ï´G¬ôŠðœO, ªê£Kò¡A툶Šð£¬÷ò‹, F¼ŠÌ˜ ñ£õ†ì‹.F¼. M. ó£ü£, àîMŠ «ðó£CKò˜,

ÜóCù˜ ªð£PJò™ è™ÖK, «ð£®ï£ò‚èÛ˜, «îQ ñ£õ†ì‹.

F¼. K. ð£ôñEè‡ì¡, ªð£PJòô£÷˜,

C-죆, ñˆFò ÜóC¡ ªî£¬ôˆªî£ì˜¹ Ý󣌄C ¬ñò‹, ªðƒèÙ¼.

  îƒè÷¶ Þ¬ìòø£ ܽõ™èÀ‚A¬ìJ™ î£ñ£è«õ º¡õ‰¶,

²ò ݘõˆF¡ð£™ ðƒè£ŸP މ˙ ªõOõó 制¬öˆî Þ‰Fò„²ì˜

àÁŠHù˜ °¿Mù¼‚° ñùñ£˜‰î ï¡P. - Þ‰Fò„²ì˜ G˜õ£è‹.

****

****

****

¹ˆîè‹ Ü„C´î™: à ñùƒèœ ܬñŠ¹, ªê¡¬ù

Page 5: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 5/110

º¬ùõ˜. î.M. ªõƒè«ìvõó¡,ºî¡¬ñ ÜPMòô£÷˜,M‚룡 Hó„꣘,

ÜPMò™ ªî£N™ ¸†ðˆ¶¬ø,¹¶ªì™L.

  “«è†«ì¡, ñø‰¶ «ð£«ù¡. 𣘈«î¡ G¬ùM™ G¡ø¶. ªêŒ¶ 𣘈«î¡,

¹K‰¶ ªè£‡«ì¡” â¡ð˜ è™Mò£÷˜èœ. Ý‹. ªõÁ‹ 輋ðô¬è»‹,

ªõœ¬÷„ ꣂ°è†®»‹ ñ†´«ñ ðò¡ð´ˆFù£™ èŸHˆî™ â¡ð¶ «ð£Fò ðò¡

îó£¶ â¡ð¶ ܬùõ¼‹ Þ¡Á 㟰‹ 輈¶. ªêŒî™ õN èŸø™ â¡ð¬î«ò

 Þ¡Á ÜPë˜èœ ãŸø è™M èŸH‚°‹ º¬ø âù ÃÁA¡øù˜. àœ÷ð®«ò Þ‰îŠH¡ùEJ™î£¡ «îCòŠ ð£ìˆF†ì‹ (NCF-National Curriculam Framework 2005)

õ®õ¬ñ‚èŠð†´œ÷¶. ªêŒî™ õN‚èŸø™ â¡ð¬î«ò Þ‰î‚ ªè£œ¬è

ªõ°õ£è õL»Áˆ¶Aø¶. îù¶ 輈¶‚è¬÷ GÁ¾‹ ñ ªè£‡ì

ÜPMò¬ô„ CøŠð£è èŸè Þ‰î‚ ªè£œ¬è ÜõCòº‹ Ãì.

   ËÁ «è£® ñ‚èœ ªî£¬è, ðô ô†ê‹ Aó£ñƒèœ, ðô ðô ô†ê‹ ðœOèœ

ªè£‡ì ïñ¶ ®™ ªêŒî™ õN èŸHˆî™ â¡ð¶ âOî£ â¡ù? «î¬õò£ù

ÝŒ¾ àðèóíƒèœ, ÝŒõè‹ ºîLòù â™ô£Š ðœOèO½‹ àì«ù ãŸð´ˆî

º®»ñ£ â¡ù? âù«õ ªêŒº¬ø‚ èŸø¬ô ï¬ìº¬øŠð´ˆî º®ò£¶ â¡Á

Mñ˜êù‹ ªêŒðõ˜ Cô˜. ÝCKò˜ õ£Œ Íô‹ ªê£™õ¶, ÜšõŠ«ð£¶

輋ðô¬èJ™ õ¬óõ¶ â‹ º¬ø¬ò‚ ªè£‡´ ñ†´‹î£¡ ÜPMòL™ Ãì

èŸH‚è º®»‹ âù Cô˜ «ê£‹H Þ¼‚A¡øù˜.

   Þ‰Fò„²ì˜ ªõOJ†´œ÷ 6,7 ñŸÁ‹ 8Ý‹ õ°Š¹‚è£ù âOò «ê£î¬ùèœ

õN ÜPMò™ èŸø™ â‹ Þ‰î Ë™ Þ‰î Mñ˜êùƒèÀ‚° ï™ô M¬ì. âOò

ªð£¼†èœ, âOF™ ¹K»‹ð®ò£ù ªêŒº¬ø, âOò M÷‚è‹ åšªõ£¼

ªêŒº¬ø‚°‹ ÞÁFJ™ «ñ½‹ C‰F‚è âù Cô «èœMèœ âù ªêšõ«ù

ªêŒòŠð†´œ÷ ¬è«ò´ Þ¶. 嚪õ£¼ ÜPMò™ ÝCKò˜ ¬èJ½‹ Þ¼‚è

«õ‡´‹.

ܼ¬ñò£è‚ ¬è«ò†®¬ùˆ îò£Kˆ¶œ÷ Þ‰Fò„²ì˜ ܬñŠHŸ°‹

 Þî¬ùˆ ªî£°ˆ¶œ÷ 輈î£e˜èÀ‚°‹ âù¶ õ£›ˆ¶‚è¬÷ˆ ªîKMˆ¶‚

ªè£œA«ø¡.

õ£›ˆ¶¬ó

 ï¡P.

 î.M.ªõƒ«è«ìvõó¡.

Page 6: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 6/110

Page 7: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 7/110

ªð£¼÷ì‚è‹

1. ªñ¿°õ˜ˆF»‹ Ý‚Rü‹ 1

2. Ü¬í»‹ ªñ¿°õ˜ˆF»‹ «ñ«ôÁ‹î‡a¼‹ 2

3. àœ«÷ «ð£°‹ º†¬ì 3

4. ªð˜«ù£L¡ ðÖ¡ 4

5. W«ö Mö ñÁ‚°‹ ð‰¶ 5

6. 𣆮L™ ðÖ¡ ¬õˆ¶ á¶î™ 6

7. ²¼ƒ°‹ ðÖ¡ 7

8. áî£ñ™ ªðK‹ ðÖ¡ 8

9. ªñ‚®ð˜ ܬó‚«è£÷ ÝŒ¾ 9

10. 裟Á Þ슪ðò˜„C ªêŒî™ 10

11. vŠ«ó 11

12. v†ó£M™ ¬è ¬õˆ¶ â´ˆî™ 12

13. à‡¬ñJ«ô«ò è£L 𣆮™ î£ù£? 13

14. Þó‡´ v†ó£ «ê£î¬ù 14

15. c˜ àœ«÷ «ð£î™ 15

16. Fóõ‹ ñŸÁ‹ õ£»‚èœ eî£ùÜ¿ˆî M¬÷¾ 16

17. Ýö‹ ÜFèK‚è Ü¿ˆî‹ ÜFèK‚°‹ 17

18. å«ó Ýö‹ å«ó Ü¿ˆî‹ 18

19. åO ªê™½‹ ð£¬î 19

20. åO âFªó£OŠ¹ 20

21. õ¬÷‰î ªð¡C™ 21

22. åO Môè™ 22

23. °Mªô¡C™ åO Môè™ 2324. õ£ùM™L¡ ã¿ Gøƒèœ 24

25. åO‚蟬øèœ 25

26. è‡í£®‚°œ å¼ ñ£ò‹ - 1 26

27. è‡í£®‚°œ å¼ ñ£ò‹ - 2 27

28. ªõÁ‹ ð£ˆFóˆF™è‡í£®Š ªð£¼†èœ 28

29. Lê£üv ðìƒèœ 29

30. ªî£¬ô«ðC 30

31. åL â¿Š¹‹ Ü÷¾«è£™ 31

32. Iî‚°‹ áC 32

33. âˆî¬ù ï£íòƒèœ «ð£ìô£‹? 33

34. «ñT‚ 𣆮™ 34

35. c˜„²ö™ 35

36. ñˆFJ™ 裘‚¬è Iî‚è M´î™ 36

37. ðò‰«î£´‹ °„CèÀ‹ å¡Á «ê¼‹°„CèÀ‹ 37

38. HK‚è º®ò£î è‡í£®ˆ îè´èœ 38

39. ªð£¼†èO¡ Ü예F 39

40. FóõƒèO¡ Ü예F 40

41. Iî‚°‹ º†¬ì Í›°‹ º†¬ì 41

42. Í›è£î «è£L‚°‡´èœ 42

43. 𣆮½‚°œ c˜Í›A‚ èŠð™ 43

44. ªð£¼œ â¬ì¬ò Þöˆî™ 44

45. 裲 ⃫è? 4546. ANò£îˆ  46

47. õ£OJ™ ð‰¬îŠ «ð£†´ ²ŸÁî™ 47

48. ê£M ²öŸÁî™ 48

49. «ðŠð¬ó‚ AN‚è º®»ñ£? 49

50. â‰îŠ ð‚è‹ M¿‹ Þ‰î‚ è‹¹ 50

51. HK‚è º®ò£îŠ ¹ˆîèƒèœ 51

52. å¼ ÝEJ¡ «ñ™ ðô ÝEèœ 52

53. ïìùñ£´‹ ªñ¿°õ˜ˆF 5354. èLL«ò£ «ê£î¬ù 54

55. î£ù£è ¬ñ «ñ«ôÁî™ 55

56. F슪ð£¼O¡ Ü¿ˆî‹ 56

57. è£Aî èŠ ï‹ â¬ì¬òˆ °ñ£? 57

58. àP…² °öL™ cÏŸÁ 58

59. ðÖ¡ è£‰î‹ 59

60. Mô°‹ v†ó£ 60

Page 8: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 8/110

61. Fóõƒèœ ñŸÁ‹ õ£»‚èO¡ MK¾ 61

62. î£ù£è„ ²ŸÁ‹ îè´ 62

63. ªõŠð„ êôù‹ 63

64. ªõ‰có£? °O˜‰î có£? 64

65. 冮J¼‚°‹ °‡ÇC W«ö M¿î™ 65

66. ªï¼ŠH™ 裇Hˆî£½‹ªõ®‚è£î ðÖ¡ 66

67. ðîƒèñ£î™ «ê£î¬ù 67

68. 𣆮½‚°œ õ‰î «ñè‹ 68

69. Þ¼‹ð£? 裉îñ£? 69

70. ðÀ¬õˆ É‚°‹ ð«ô v«è™ 70

71. à콋 ñùº‹ «õÁð†ì£™! 71

72. ªõŠð‚ ªè£œM¬ù 72

73. âKñ¬ô 73

74. ªõŠð 㟹 M¬ù 74

75. ÜIô‚ è£óŠ ðK«ê£î¬ù 75

76. 裘ð¡-¬ì-Ý‚¬ú´å¼ èùñ£ù õ£» 76

77. è¬óò£î ꣂdv 77

78. ¬ý†óü¡ è‡ìP»‹ «ê£î¬ù 78

79. âKˆî£½‹ âKò£î‚ è£Aî‹ 79

80. ⿈¶ˆ ªîKò c˜‚°Oò™ 80

81. Å´ ªè£´ˆî£™ ªîK»‹ ⿈¶ 81

82. ¬èJ™ ßó‹ ðì£ñ™ c¼‚°œ Þ¼‚°‹ï£íòˆ¬î â´ˆî™ 82

83. ñ¬ø»‹ i›ð®¾ 83

84. c˜ âƒ«è «ð£ù¶? 8485. H÷£v®‚ I™‚ 85

86. Þ슪ðò˜„C M¬ù - 1 86

87. Þ슪ðò˜„C M¬ù - 2 87

88. C¬î¾Á M¬ù - 1 88

89. C¬î¾Á M¬ù - 2 89

90. ̫ M 90

91. «õFM¬ùJ¬ùŠ ðò¡ð´ˆFcK¬ù åOó„ ªêŒò Þò½ñ£? 91

92. âOò º¬øJ™ b„²õ£¬ô 92

93. å¼ ð®ˆî£ù èô¬õ ñŸÁ‹ðô ð®ˆî£ù èô¬õ îò£Kˆî™ 93

94. côŠ¹†® M¬ù 94

95. èˆFJ¡P è£òI¡P Þóˆî‹ 95

96. ¬ñ¬òŠ HKˆî™ 96

97. ÞòŸ¬è õ£» 97

98. ÅKò I¡ù£Ÿø™ 98

99. 裟ø£¬ô I¡àŸðˆF 99

100. ñ¬öc˜ «êèKŠ¹ 100

Page 9: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 9/110

Science Experimental Based Learning & Awareness Ver. 2.0

www.indiasudar.org

«ï£‚è‹

  Ý‚Rü¡ Þ™ô£ñ™ â‰î å¼ ªð£¼À‹ âKò Þòô£¶ â¡ð¬î ÜP‰¶ ªè£œ÷™.

«î¬õŠð´‹ ªð£¼†èœ

  å¼ î†´, Þó‡´ ªñ¿°õ˜ˆFèœ, è‡í£®‚ °´¬õ, bŠªð†®.

ªêŒº¬ø

  ì â´ˆ¶‚ ªè£‡´, Üî¡ ï´M™ ªñ¿°õ˜ˆF¬òŠ ðŸø ¬õ‚辋. H¡¹è‡í£®‚ °´¬õ¬ò‚ ªè£‡´ ªñ¿°õ˜ˆF¬ò Í쾋. â¡ù Gè›Aø¶ â¡ð¬î

èõQ‚辋.  Þ«î«ð£™ ™ ÞŠ«ð£¶ Þó‡´ ªñ¿°õ˜ˆFè¬÷ ãŸP, è‡í£®‚ °´¬õ¬ò‚ªè£‡´ Í쾋. ÞŠ«ð£¶ â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  è‡í£®‚ °´¬õJ™ 裟Á àœ÷¶. ÞF™ Ý‚Rü¡õ£»¾‹ àœ÷¶. ºîL™ å¼ ªñ¿°õ˜ˆF¬ò ñ†´‹ ðŸø¬õ‚°‹ ªð£¿¶, ªñ¿°õ˜ˆFò£ù¶ ï¡ø£è âKAø¶.H¡ù˜ è‡í£®‚°´¬õ¬ò‚ ªè£‡´ ªñ¿°õ˜ˆF¬ò

Í´‹ «ð£¶ °´¬õJÂœ Ý‚Rü¬ùŠ ðò¡ð´ˆFªñ¿°õ˜ˆF CP¶ «ïó‹ âKAø¶. H¡¹ °´¬õJœ݂Rü¡ b¼‹ «ð£¶ ªñ¿°õ˜ˆFò£ù¶ ܬ퉶M´Aø¶.

  Þó‡´ ªñ¿°õ˜ˆFè¬÷Š ðŸø ¬õ‚°‹ «ð£¶, °´¬õJÂœ àœ÷ Ý‚Rü¬ùŠðò¡ð´ˆF Þó‡´ ªñ¿°õ˜ˆFèœ âKõ, °´¬õJÂœ àœ÷ Ý‚Rü¡ M¬óM™b˜‰¶ M´õ, ªñ¿°õ˜ˆFèœ M¬óM™ ܬ퉶 M´A¡øù. ÞFL¼‰¶Ý‚Rü¡ Þ™ô£ñ™ â‰î å¼ ªð£¼À‹ âKò Þòô£¶ â¡ð¬î ÜPòô£‹.

Mù£‚èœ

1.  â‰î õ£»¬õ ²õ£C‚A«ø£‹?

2. Ý‚Rü¡ õ£» «õÁ âŠ ðò¡ð´Aø¶?

3. M‡ªõO ió˜èœ M‡ªõO‚°„ ªê™½‹«ð£¶ Ý‚Rü¡ CL‡ì˜ ªè£‡´„ªê™õ¶ âîù£™?

1. ªñ¿°õ˜ˆF»‹ Ý‚Rü‹

1

Page 10: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 10/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  âK»‹ ªñ¿°õ˜ˆFJ¡ e¶ î¬ôWö£è‚ èM›ˆ¶ ¬õ‚èŠð†ì ì‹÷KÂœ àò¼‹î‡aK¡ ñ†ìˆ¬î‚ °Pˆ¶ ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  3 èœ, î‡a˜, å«ó Ü÷¾¬ìò ªñ¿°õ˜ˆFèœ 4, å«ó Ü÷¾¬ìò è‡í£®ì‹÷˜èœ 3, bŠªð†®, õ‡í ¬ñ.

ªêŒº¬ø

  ºîL™ å¼ î†®¡ ï´M™ ªñ¿°õ˜ˆF¬ò GŸè ¬õ‚辋.Üî¡ H¡ù˜ ™ õ‡í ¬ñ‚ èô‚èŠð†ì î‡a¬ó áŸø¾‹.H¡ù˜ ªñ¿°õ˜ˆF¬òŠ ðŸø ¬õ‚辋. ªñ¿°õ˜ˆF¬ò„ CP¶

«ïó‹ âKò M쾋. è‡í£® ì‹÷¬ó ²ìK¡ «ñ™ ¹øˆF™î¬ôWö£è„ êŸÁ «ïó‹ H®ˆ¶‚ ªè£‡®¼‰¶ H¡ù˜ªñ¿°õ˜ˆF¬ò Í쾋. H¡¹ â¡ù Gè›Aø¶ â¡ð¬îèõQ‚辋. ñŸªø£¼ ì â´ˆ¶ º¡«ð£ô«õ ªñ¿°õ˜ˆF¬òŠ ðŸø ¬õ‚辋.è‡í£® ì‹÷¬ó‚ ªè£‡´ àìù®ò£è ªñ¿°õ˜ˆF¬ò Í쾋. Gè›õ¬î‚èõQ‚辋. H¡ù˜ Í¡ø£õ¶ ì â´ˆ¶ ÜF™ Þó‡´ ªñ¿°õ˜ˆFè¬÷Š ðŸø¬õ‚辋. CP¶ «ïó‹ Þó‡´ ªñ¿°õ˜ˆFè¬÷»‹ âKò M쾋. H¡ù˜ è‡í£®ì‹÷¬ó‚ ªè£‡´ Í쾋. ÞŠªð£¿¶ Gè›õ¬î‚ èõQ‚辋.

M÷‚è‹

  Í¡Á ªêò™èO½‹ ªñ¿°õ˜ˆF ܬ퉶 ½œ÷ c˜ è‡í£® ì‹÷KÂœ

àò¼Aø¶. Ýù£™ 嚪õ£¼ Gè›M½‹ àò¼‹ cK¡ ñ†ì‹ «õÁð´Aø¶.  ªñ¿°õ˜ˆFJ¡ ²ì˜ Åì£ù õ£»‚èO¡ èô¬õ Ý°‹. ªñ¿°õ˜ˆF âK»‹ «ð£¶²ì¬ó„ ²ŸP»œ÷ õ£»õ£ù¶ ªõŠðñ¬ìAø¶. ²ì˜ ªõOŠ¹ø‚ 裟Áì¡ «ïó®ò£èˆªî£ì˜¹ ªè£‡´œ÷ «ð£¶, ²ì¬ó„ ²ŸP»œ÷ 裟P¡ Ü¿ˆîˆF™ âšMî ñ£Ÿøº‹Þ™¬ô. Ýù£™ ªñ¿°õ˜ˆF¬ò ì‹÷¬ó‚ ªè£‡´ Í´‹ «ð£¶ ì‹÷K¡ à†¹ø‹ àœ÷裟Á ñ†´«ñ ªõŠðñ¬ìAø¶. Ü«î êñòˆF™ Üî¡ ªè£œ÷÷M™ âšMî ñ£Ÿøº‹Þ™ô£î, 裟P¡ Ü¿ˆî‹ ÜFèK‚Aø¶. ì‹÷K¡ à†¹ø‹ àœ÷ 裟P™ Ý‚Rü¡º¿õ¶‹ b˜‰î¾ì¡ ªñ¿°õ˜ˆF ܬ퉶M´Aø¶. ªõŠðñ£ù õ£»M¡ ªõŠðG¬ô°¬ø‰¶ Üî¡ Ü¿ˆîº‹ °¬øAø¶. ì‹÷K¡ ªõOŠ¹ø‹ àœ÷ Ü¿ˆî‹ I°‰îõOñ‡ìô 裟P¡ ªêòô£™ c˜ ñ†ì‹ ì‹÷KÂœ àò¼Aø¶. ºî™ ™ àœ÷

ì‹÷KÂœ àœ÷ 裟Á ÜFè ªõŠðñ¬ì‰¶œ÷ ÜîÂœ ÜFè c˜ ñ†ì‹ àò˜‰¶œ÷¶.Þó‡ì£õ¶ ™ àœ÷ ªñ¿°õ˜ˆF¬ò àìù®ò£è Í®M†ì, ÜîÂœ àœ÷ 裟ÁIè °¬ø‰î Ü÷«õ ªõŠðñ¬ì‰¶œ÷¶. âù«õ, Þó‡ì£õ¶ ì‹÷KÂœ CPî÷«õ c˜ñ†ì‹ àò˜‰¶œ÷¶. Í¡ø£õ¶ ì‹÷K™ Þó‡´ ªñ¿°õ˜ˆFèœ àœ÷ 裟Á ÜF苪õŠðñ¬ì‰¶ Iè ÜFèñ£è c˜ ñ†ì‹ àò˜‰¶œ÷¶.

Mù£‚èœ

1. î‡a˜ ã¡ «ñ«ô àò¼Aø¶?

2. ªñ¿°õ˜ˆF 㡠ܬíAø¶?

3. M‡ªõO‚°„ ªê™½‹ ió˜èœ M‡ªõO à¬ì ÜEõ¶ ã¡?

2. Ü¬í»‹ ªñ¿°õ˜ˆF»‹ «ñ«ôÁ‹ î‡a¼‹

www.indiasudar.org

c˜ 

2

Page 11: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 11/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟P¡ ÜFèŠð®ò£ù Ü¿ˆî‹ ðŸP»‹, ªð£¼œ âKõ Ý‚Cü¡ õ£» ¶¬íŠ¹KAø¶ â¡ð¬î»‹ ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  «õè ¬õˆî º†¬ì, º†¬ì¬ò Mì„ CPò õ£ò÷¾ ªè£‡ì è‡í£® 𣆮™,«ðŠð˜ Ü™ô¶ èŸÌó‹, bŠªð†®.

ªêŒº¬ø

  ºîL™ «õè¬õˆî º†¬ì¬ò‚ è‡í£® Yê£MÂœ Þ´õ ºòŸC‚辋.º†¬ìJ¡ Üèôˆ¬î Mì Yê£M¡ õ£ŒŠð°FJ¡ Üèô‹ °¬øõ£è Þ¼Šð º†¬ìYê£M¡ à†¹ø‹ ªê™ô Þòô£¶. ÞŠ«ð£¶, èŸÌó‹ Ü™ô¶ «ðŠð¬ó ðŸø ¬õˆ¶ Yê£M¡à†¹øˆF™ àìù®ò£è„ Yê£M¡ õ£Œ¹øˆF™ º†¬ì¬ò ¬õˆ¶ Í쾋. H¡ù˜ â¡ùGè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  è‡í£®Š 𣆮L¡ à†¹ø‹ àœ÷ Ý‚Cü¬ùŠðò¡ð´ˆF‚ èŸÌó‹ Ü™ô¶ «ðŠð˜ âKAø¶. à†¹ø‹àœ÷ Ý‚Cü¡ º¿õ¶‹ b˜‰¶Š «ð£°‹ «ð£¶ èŸÌó‹

Ü™ô¶ «ðŠð˜ âK»‹ ²ì˜ ñƒA ܬ퉶 M´Aø¶.Þîù£™ 𣆮L¡ à†¹ø‹ àœ÷ 裟P¡ Ü¿ˆî‹°¬øõ ªõOŠ¹ø‹ àœ÷ õOñ‡ìô 裟Á 𣆮L¡à†¹ø‹ ¹è ºòŸC ªêŒAø¶. Ýù£™ 裟Á ªê™½‹õ£ŒŠ¹øˆF™ º†¬ì àœ÷ 裟Á Üî¬ùÜ¿ˆ¶õ º†¬ìò£ù¶ Yê£M¡ àœ«÷ ªê™Aø¶.

Mù£‚èœ

1. Yê£M¡ àœ«÷ â¡ù àœ÷¶?

2. ªð£¼œ âKòˆ ¶¬í ªêŒ»‹ õ£» â¶?3. èŸÌó‹ ܬí‰î¾ì¡ º†¬ì ã¡ °´¬õJÂœ ªê™Aø¶?

3. àœ«÷ «ð£°‹ º†¬ì

www.indiasudar.org   3

Page 12: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 12/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟ø£ù¶  ªê™ô‚îòŠ ð£¬îJ™ °¬ø‰î Ü¿ˆîˆ¬î à¼õ£‚°‹ âùÜPò„ ªêŒî™.

«î¬õŠð´‹ ªð£¼†èœ

  å¼ c÷ñ£ù ༬÷ õ®õ‹ ªè£‡ì H÷£v®‚ ¬ð.

ªêŒº¬ø

  c÷ñ£ù ༬÷ õ®õ‹ ªè£‡ì H÷£v®‚ ¬ð¬ò â´ˆ¶‚ ªè£‡´, Üî¡ å¼

º¬ù¬ò º®„² «ð£†´ Mì «õ‡´‹. H÷£v®‚ «ðŠðK¡ Fø‰¶œ÷ º¬ù¬ò Þó‡´¬èè÷£½‹ H®ˆ¶‚ ªè£‡´ õ£«ò£´ 冮 á, âˆî¬ù º¬ø áFù£™ ܉ðJ™ 裟¬ø GóŠð º®»‹ â¡ð¬î‚ èõQ‚辋.

  H¡ù˜ H÷£v®‚ ¬ðJŸ°‹ õ£JŸ°‹ Þ¬ìJ™ CPî÷¾ Þ¬ìªõO Þ¼‚°ñ£ÁH®ˆ¶‚ ªè£‡´ å«ó º¬ø ᶋ«ð£¶, ¬ðJ™ 裟Á Gó‹HM´Aø¶.

M÷‚è‹

  õ£«ò£´ 冮 H÷£v®‚ ¬ð¬ò ¬õˆ¶‚ ªè£‡´Š ¬ð¬ò ᶋ «ð£¶ ÜFèñ£ùº¬ø ᶋ«ð£¶î£¡ ¬ð G¬ø»‹.

  õ£JŸ°‹ H÷£v®‚ ¬ðJŸ°‹ CP¶ Þ¬ìªõO M†´ ᶋ«ð£¶ å¼ º¬øáFù£«ô Gó‹HM´‹. Þ‚ è£óí‹,  áî‚îò 裟Á‹ õOñ‡ìô‚ 裟Á‹«ê˜‰¶ ¬ðJ¡ à†¹ø‹ ªê™Aø¶. Þîù£™ ¬ðJ™ à†¹ø‹ àœ÷ 裟P¡ ÜFèÜ¿ˆîñ£ù¶ ªõO«ï£‚Aò Ü¿ˆîˆ¬î‚ ªè£´‚Aø¶. âù«õ H÷£v®‚ ¬ðò£ù¶²¼ƒ°õF™¬ô.

  Ýù£™ õ£«ò£´ 冮 H÷£v®‚ ¬ð¬ò ᶋ «ð£¶  áî‚îò 裟Á ñ†´‹àœ«÷ ªê™Aø¶. à†ªê™½‹ 裟ø£ù¶ H÷£v®‚ ¬ð ªðKî£õ «ð£¶ñ£ùî£èÞ™¬ô. âù«õ, H÷£v®‚ ¬ð ²¼ƒ°Aø¶.

Mù£‚èœ1. õ£«ò£´ 冮 ᶋ «ð£¶ H÷£v®‚ ¬ð ã¡ ªðKî£èM™¬ô?

2. õ£JŸ°‹ H÷£v®‚ ¬ðJŸ°‹ CP¶ Þ¬ìªõO M†´ ᶋ«ð£¶ å«ó º¬øJ™ªðKî£õ¶ ã¡?

3. ê¬ñò™ ܬøJ™ ²õŸP¡ «ñ™ð°FJ™ à†ð‚èñ£èŠ ªð£¼ˆîŠð´‹ I¡MCP‚°‹, ²õŸPŸ°‹ å¼ e†ì˜ Þ¬ìªõO Þ¼Šð¶ ã¡?

4. ªð˜«ù£L¡ ðÖ¡

www.indiasudar.org4

Page 13: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 13/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟ø¿ˆîˆF¡ ñèˆî£ù ñ¬òŠ ðŸP ÜPò„ ªêŒî™.

«î¬õŠð´‹ ªð£¼†èœ

  ¹ù™, å¼ CPò H÷£v®‚ ð‰¶.

ªêŒº¬ø

  ¹ùL¡ õ£ŒŠ¹øˆF™ H÷£v®‚ ð‰¬î ¬õˆ¶, õô¶ ¬è ݜ裆® Móô£™ ð‰¬îW«ö Mì£ñ™ H®ˆ¶‚ ªè£‡«ì ¹ùL¡ ¶¬÷ àœ÷ c‡ì ð°F¬ò õ£J™ ¬õ‚辋.

Hø° î¬ô¬ò‚ W«ö ꣌ˆ¶ ¹ù¬ô «õèñ£è áF‚ªè£‡«ì ð‰¬î H®ˆ¶‚ªè£‡®¼‚°‹ Mó¬ô â´ˆ¶ M쾋. ªî£ì˜‰¶ «õèñ£è áF‚ªè£‡«ì â¡ùGè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  á¶õ¬î GÁˆ¶‹ õ¬ó ð‰¶ W«ö Mö£ñ™ ²ö¡Áªè£‡«ì Þ¼‚°‹. ¹ù¬ô õ£ò£™ «õèñ£è ᶋ ªð£¿¶¹ùL¡ Üèôñ£ù ð°F Ýó‹H‚°‹ ÞìˆF™ àœ÷ 裟Á«õèñ£è„ ªê¡Á M´‹. Üî£õ¶ õ£ò£™  áî‚îò‚裟ø£ù¶ 㟪èù«õ ¹ùL¡ Üèôñ£ùŠ ð°FJ™ àœ÷

裟¬øˆ îœO M´Aø¶. Þîù£™ ¹ùL¡ õ£òè¡ø ð°Fà¼õ£°‹ ÞìˆF™ °¬ø‰î 裟ø¿ˆî‹ ãŸð´Aø¶. Þ¬îGóŠð õOñ‡ìô‚ 裟ø£ù¶ ¹ùL¡ â™ô£Š ð°FJ½‹õ‰¶ «ñ£¶Aø¶. ¹ùL¡ Üèôñ£ù ð°FJ™ ð‰¶Þ¼Šð 裟Á ܵ‚èœ ð‰¬î WNL¼‰¶ «ñ™ «ï£‚AˆîœÀA¡øù. Üîù£™ ð‰¶ W«ö Mö£ñ™ Þ¼‚°‹.

  Þî¡ Íô‹ 裟ø£ù¶ Ü¿ˆî‹ I°‰î ÞìˆFL¼‰¶Ü¿ˆî‹ °¬ø‰î Þìˆ¬î «ï£‚A„ ªê™½‹ â¡ð¬î ÜPòº®Aø¶.

Mù£‚èœ

1. 裟ø¿ˆî‹ â¬î «ï£‚A„ ªê™½‹?

2. Þó‡´ ðÖ¡è¬÷ ܼ輫è å«ó ñ†ìˆF™ 膮ˆªî£ƒèM†´, ÜõŸPŸA¬ì«ò裟¬ø «õèñ£è áFù£™ ðÖ¡ â¡ùõ£°‹?

3. Mñ£ùˆF¡ Þø‚¬èJ¡ «ñŸðóŠ¹ °M‰îõ‡íº‹, W›ŠðóŠ¹ °N‰î õ‡íº‹Þ¼Šð¶ ã¡?

 5. W«ö Mö ñÁ‚°‹ ð‰¶

www.indiasudar.org   5

Page 14: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 14/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟P¡ Ü¿ˆîˆ¬îŠ ðŸP ÜPò„ ªêŒî™.

«î¬õŠð´‹ ªð£¼†èœ

  å¼ è£L î‡a˜ 𣆮™, å¼ ðÖ¡.

ªêŒº¬ø

  å¼ è£L î‡a˜ 𣆮¬ô â´ˆ¶‚ ªè£œ÷¾‹. H¡ù˜ å¼ ðÖ¬ù â´ˆ¶ Üî¬ùî‡a˜ 𣆮L¡ à†¹øˆF™ ªê½ˆF ðÖQ¡ õ£¬òŠ 𣆮L¡ õ£ŒŠð°F«ò£´

«ê˜ˆ¶‚ è†ì¾‹. ÞŠ«ð£¶ ðÖ¬ù áFŠ ªðKî£‚è ºòŸCˆî£™ áî º®ò£¶.𣆮L¡ Ü®Š¹øˆF™ 弶¬÷J†´,H ¡ ù ˜ ð Ö ¬ ù á F ù £ ™ ð Ö ¡ªðKî£õ¬î‚ è£íô£‹.  á¶õ¬îGÁˆFò¾ì¡ ðÖ¡ e‡´‹ CPî£AM´‹.ÞŠ«ð£¶ ðÖ¬ù e‡´‹ áFŠ ªðKAòG¬ôJ™, 𣆮L¡ Ü®Š¹øˆF™ àœ÷¶¬÷¬ò ܬì‚辋. ÞŠ«ð£¶ ðÖ¡ áFòG¬ôJ™ ÜŠð®«ò Þ¼‚°‹.

M÷‚è‹  𣆮L™ ¶¬÷J™ô£î G¬ôJ™ ðÖ¬ù ᶋ «ð£¶, 𣆮L¡ à†¹ø‹ àœ÷裟P¡ Ü¿ˆî‹ ÜFèKŠð Üšõ¿ˆî‹ ðÖ¬ùŠ ªðKî£è Mì£ñ™ î´‚Aø¶.𣆮L™ ¶¬÷ ãŸð´ˆ¶‹ «ð£¶, 𣆮L¡ à†¹ø‹ àœ÷ 裟Á  ᶋ «ð£¶ªõO«ò ªê¡Á M´õ, ðÖ¡ ªðKî£Aø¶. á¶õ¬î GÁˆ¶‹ «ð£¶, ªõOŠ¹ø‹àœ÷ ÜFèñ£ù 裟ø¿ˆî‹ ¶¬÷ õNò£è 𣆮L¡ à†¹ø‹ ªê¡Á ðÖ¬ùÜ¿ˆ¶õ ðÖ¡ e‡´‹ CPî£Aø¶. ðÖ¬ù e‡´‹ áF 𣆮L¡ Ü®Š¹ø‹ àœ÷¶¬÷¬ò ܬ산‹ ªð£¿¶ ªõOŠ¹ø‹ àœ÷ ÜFèñ£ù 裟ø¿ˆî‹ 𣆮L¡ àœ«÷ªê™õ «õÁ õNJ™¬ô. âù«õ ªõOŠ¹ø‹ àœ÷ ÜFèñ£ù 裟ø¿ˆî‹ ðÖQ¡àœ«÷ ªê¡Á ðÖ¬ù àœ«ï£‚A Ü¿ˆ¶õ ðÖ¡ ²¼ƒè£ñ™ àœ÷¶.

Mù£‚èœ

1. 𣆮L¡ àœ«÷ â¡ù àœ÷¶?

2. 𣆮L¡ Ü®Š¹øˆ ¶¬÷¬ò ܬ숶‚ ªè£‡´ ᶋ ªð£¿¶ ã¡ ðÖ¬ù áõF™¬ô?

3. ðÖ¬ù áF‚ªè£‡«ì 𣆮L™ àœ÷ ¶¬÷¬ò ܬìˆî£™ ðÖ¡ ã¡ CPî£õ¶Þ™¬ô?

6. 𣆮L™ ðÖ¡ ¬õˆ¶ á¶î™

www.indiasudar.org6

Page 15: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 15/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟P¡ Ü¿ˆî‹ ðŸP ÜPò„ ªêŒî™.

«î¬õŠð´‹ ªð£¼†èœ

  áCJ™ô£î CK…², å¼ ðÖ¡, Ë™.

ªêŒº¬ø

  ºîL™ ðÖ¬ù â´ˆ¶‚ ªè£‡´ ܶ CK…CJ¡ àœ«÷ ¸¬ö»‹ Ü÷MŸ°‚裟¬ø áF, ðÖQ¡ õ£ŒŠð°F¬ò Ë™ Íô‹ è†ì¾‹.

H¡ù˜ 裟Á GóŠðŠð†ì ðÖ¬ù„ CK…CJ¡ àœ«÷ ¬õ‚辋. CK…CJ¡ 强¬ùJ™ ¬è¬ò ¬õˆ¶ 裟ÁŠ «ð£è£îõ£Á Ü¿ˆF Í쾋.

  ñÁº¬ùJ™ Hvì¬ù CK…CJ¡ àœ«÷ Ü¿ˆî¾‹. â¡ù Gè›Aø¶ â¡ð¬îï¡ø£è‚ èõQ‚辋.

M÷‚è‹

  ðÖQ™ àœ÷ 裟ø¿ˆîñ£ù¶ CK…CJ™àœ÷ 裟ø¿ˆîˆ¬î Mì êŸÁ ÜFèñ£è Þ¼‚°‹.Hvì¬ù Ü¿ˆ¶‹ «ð£¶ CK…CJ¡ à†¹ø‹ àœ÷

裟ø¿ˆîñ£ù¶ "ð£J™ MFŠð®" ñ£ø£îªõŠðG¬ôJ™ °PŠH†ì G¬ø»œ÷ õ£»M¡(裟Á) ð¼ñ¡ °¬ø‰¶ Ü¿ˆî‹ ÜFèK‚Aø¶.Þîù£™ ðÖQ¡ ¹øŠðóŠH¡ e¶ ªêò™ð´‹ ÜFè裟ø¿ˆîˆF¡ è£óíñ£èŠ ðÖ¡ ²¼ƒ°Aø¶.

°PŠ¹

ð£J™ MF

  ñ£ø£î ªõŠðG¬ôJ™ °PŠH†ì G¬ø»œ÷ õ£»M¡ Ü¿ˆîñ£ù¶ Üî¡ ð¼ñ¡

Ü÷MŸ° âF˜ˆîèM™ Þ¼‚°‹.

Mù£‚èœ

1. Hvì¬ùˆ îœÀ‹ «ð£¶ CK…C¡ àœ«÷ 裟ø¿ˆî‹ ÜFèKŠð¶ ã¡?

2. Hvì¬ùˆ îœÀ‹ «ð£¶ ðÖQ™ àœ÷ 裟Á ⃰„ ªê™½‹?

7. ²¼ƒ°‹ ðÖ¡

www.indiasudar.org   7

Page 16: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 16/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟P¡ Ü¿ˆî‹ ðŸP ÜPò„ ªêŒî™.

«î¬õŠð´‹ ªð£¼†èœ

  áCJ™ô£î CK…², å¼ ðÖ¡, Ë™.

ªêŒº¬ø

  ºîL™ ðÖ¬ù â´ˆ¶‚ ªè£‡´ ܶ CK…CJ¡ àœ«÷ ̧ ¬ö»‹ Ü÷MŸ° 裟¬øáF, ðÖQ¡ õ£ŒŠð°F¬ò Ë™ Íô‹ è†ì¾‹. H¡ù˜ 裟Á GóŠðŠð†ì ðÖ¬ùCK…CJ¡ àœ«÷ ¬õ‚辋. CK…CJ¡ Hvì¬ù e‡´‹ ªð£¼ˆF Üî¬ù 20 IL

Ü÷¾ õ¼‹ õ¬ó Hvì¬ù º¡«ù£‚Aˆ îœ÷¾‹. CK…CJ¡ áCJ™ô£î º¬ùJ™¬è¬ò ¬õˆ¶ 裟Á «ð£è£îõ£Á Ü¿ˆF Í쾋. ñÁº¬ùJ™ CK…CJ¡ Hvì¬ùªõO«ò Þ¿‚辋. â¡ù Gè›Aø¶ â¡ð¬î ï¡ø£è‚ èõQ‚辋.

M÷‚è‹

  ðÖQ™ àœ÷ 裟ø¿ˆîñ£ù¶ CK…CJ™ àœ÷裟ø¿ˆîˆ¬î Mì êŸÁ ÜFèñ£è Þ¼‚°‹.

Hvì¬ù Þ¿‚°‹«ð£¶ CK…CJ™ àœ÷è £Ÿø¿ˆîñ £ù¶ , ð £J™ MFŠð® ñ £ø £ î

ªõŠðG¬ôJ™ °PŠH†ì G¬ø»œ÷ õ£»M¡ ð¼ñ¡ÜFèKˆ¶ õ£»M¡ Ü¿ˆî‹ (裟ø¿ˆî‹)°¬øAø¶. Þîù£™ ðÖQ¡ à†¹ø‹ àœ÷ ÜFè裟ø¿ˆîˆF¡ è£óíñ£è 裟øµ‚èœ ðÖQ¡²õ¬ó ªõOŠ¹øñ£è Ü¿ˆ¶A¡øù. Þîù£™ ðÖ¡MKõ¬ìAø¶.

  Üî£õ¶, ðÖQ¡ àœO¼‚A¡ø ÜFèñ£ù 裟ø¿ˆîñ£ù¶, CK…CJ¡ àœ«÷àœ÷ °¬ø‰î 裟ø¿ˆîˆ¬î «ï£‚A„ ªê™Aø¶.

°PŠ¹ð£J™ MF

  ñ£ø£î ªõŠðG¬ôJ™ °PŠH†ì G¬ø»œ÷ õ£»M¡ Ü¿ˆîñ£ù¶ Üî¡ ð¼ñ¡Ü÷MŸ° âF˜ˆîèM™ Þ¼‚°‹.

Mù£‚èœ

1. Hvì¬ùˆ îœÀ‹ «ð£¶ CK…C¡ àœ«÷ 裟ø¿ˆî‹ ÜFèKŠð¶ ã¡?

2. Hvì¬ùˆ îœÀ‹ «ð£¶ ðÖQ™ àœ÷ 裟Á ⃰ ªê™½‹?

8. áî£ñ™ ªðK‹ ðÖ¡

www.indiasudar.org8

Page 17: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 17/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟ø¿ˆî‹ °¬øõ£è àœ÷ ÞìˆFŸ° õL¬ñ ÜFè‹ â¡ð¬î ÜPò„ ªêŒî™.

«î¬õŠð´‹ ªð£¼†èœ

  Þó‡´ àœkìŸø ܬó‚«è£÷ƒèœ (ÞóŠðó£™ Ýù¶).

ªêŒº¬ø

  Þó‡´ Ü¬ó‚«è£÷ƒè¬÷ â´ˆ¶‚ ªè£‡´, ÜõŸ¬ø å¡ø£è Þ¬í‚辋.Þó‡´ Ü¬ó‚«è£÷ƒèO¡ à†¹øˆF™ 裟Á àœ÷¶. ÞŠ«ð£¶ Þ¬í‚èŠð†ì

ܬó‚«è£÷ƒè¬÷Š HKˆî£™, ܬõ âOF™ HK»‹.ÞŠ«ð£¶ e‡´‹ ܬó‚«è£÷ƒè¬÷ å¡ø£è ެ툶, ÜõŸP¡ «ñŸð°F¬ò

ï¡ø£è Ü¿ˆî¾‹. Þîù£™ ܬó‚«è£÷ƒèO™ ï´M™ àœ÷ 裟ø£ù¶ CP¶êˆîˆ¶ì¡ ªõO«òÁ‹. Þ‰G¬ôJ™ Þ¬í‰î Þ¼ ܬó‚«è£÷ƒè¬÷Š HK‚èºòô¾‹. â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  ªð£¶õ£è ܬó‚«è£÷ƒèO¡ àœ«÷»‹,ªõO«ò»‹ 裟ø¿ˆî‹ êññ£è àœ÷ «ð£¶

ܬó‚«è£÷ƒè¬÷ âOF™ HK‚è º®Aø¶.ܬó‚«è£÷ˆF¡ «ñ™ð°F¬ò  Ü¿ˆ¶‹ «ð£¶Ü¬ó‚«è£÷ˆF¡ à†¹ø‹ àœ÷ 裟ø£ù¶ªõO«òÁAø¶. ܬó‚«è£÷ƒèO¡ à†¹ø‹ àœ÷裟ø¿ˆîñ£ù¶, ܬó‚«è£÷ˆF¬ùŠ HK‚è ºò½‹«ð£¶ «è£÷ˆF¡ à†¹ø‹ àœ÷ 裟P¡ ð¼ñ¡ ÜFèKˆ¶ “ð£J™ MFŠð®” Ü¿ˆî‹°¬øAø¶. âù«õ ªõO«ò àœ÷ Ü¿ˆî‹ I‚è 裟ø£ù¶ ܬó‚«è£÷ƒèO¡ à†¹ø‹¹è ºòŸC ªêŒ¶, ܬó‚«è£÷ˆF¡ «ñŸ¹øˆF™ I°‰î M¬ê»ì¡ Ü¿ˆ¶Aø¶.Üîù£™  ï‹ñ£™ ܬó‚«è£÷ƒè¬÷Š HK‚è º®õF™¬ô.

°PŠ¹ð£J™ MF

  ñ£ø£î ªõŠðG¬ôJ™ °PŠH†ì G¬ø»œ÷ õ£»M¡ Ü¿ˆîñ£ù¶ Üî¡ ð¼ñ¡Ü÷MŸ° âF˜ˆîèM™ Þ¼‚°‹.

Mù£‚èœ

1. ð™L ²õK™ 冮‚ ªè£‡®¼‚°‹ «ð£¶ W«ö Mö£î¶ ã¡?

2. ¶Šð£‚A ²´îL™ ¶Šð£‚AJL¼‰¶ ªõO«òÁ‹ °‡®¡ ˹ «ð£¡ø ð°F 冮‚ªè£‡®¼‚°‹ «ð£¶ W«ö Mö£î¶ ã¡?

9. ªñ‚®ð˜ ܬó‚«è£÷ ÝŒ¾

www.indiasudar.org   9

Page 18: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 18/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟P¡ Þ슪ðò˜„C ðŸP ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  å¼ è‡í£®Š 𣆮™ Í®»ì¡, CPò ¹ù™, î‡a˜, å¼ ðÖ¡.

ªêŒº¬ø

  è‡í£®Š 𣆮¬ô â´ˆ¶‚ ªè£‡´, Üî¡ Í®J™ Þó‡´ ¶¬÷è¬÷ Þ쾋.å¼ ¶¬÷J™ ¹ù¬ôŠ ªð£¼ˆî¾‹. ñŸªø£¼ ¶¬÷J™ å¼ °ö£¬òŠ ªð£¼ˆî¾‹.

ÞŠ«ð£¶ Í®¬ò‚ ªè£‡´ 𣆮L¡ õ£¬ò ÞÁè Í쾋.ÞŠ«ð£¶ ¹ùL¡ õNò£èˆ î‡a¬ó 𣆮½œ áŸø¾‹. â¡ù Gè›Aø¶ â¡ð¬î‚

èõQ‚辋. H¡ù˜ °ö£J¡ ¶¬÷¬ò å¼ ¬èò£™ ÞÁ‚èñ£è Í®‚ ªè£‡«ì ¹ù™õNò£èˆ î‡a¬ó áŸø¾‹. ÞŠ«ð£¶ Gè›õ¬î‚ èõQ‚辋.

M÷‚è‹

  è‡í£®Š 𣆮L¡ à†¹ø‹ 裟Á Gó‹H»œ÷¶. ê£î£óíñ£èc¬ó ¹ùL¡ õNò£è áŸÁ‹ «ð£¶, 𣆮LÂœ Gó‹H»œ÷ 裟ÁñŸªø£¼ ¶¬÷J™ ªð£¼ˆîŠð†ì °ö£J¡ õN«ò ªõOõ¼‹.

Þîù£™ î‡a˜ 𣆮LÂœ âOî£è M¿Aø¶.  å¼ ¬èò£™ °ö£J™ ªð£¼ˆîŠð†ì °ö£J¡ õ£¬òܬ산‹ ªð£¿¶, 裟Á Þ‚°ö£J¡ õN«ò ªõO«òøõNJ™ô£î, ¹ùL¡ õN«ò ªõO«òÁ‹. Þîù£™ ¹ùL™àœ÷ î‡aK™ 裟Á °I›è÷£è ªõOõ¼‹. î‡a˜ àœ«÷ªê™½‹ õNJ«ô«ò, 裟Á ªõOõ¼õ î‡a˜ ªñ¶õ£èŠð£†®LÂœ Þøƒ°Aø¶.

Mù£‚èœ

1. Í®J™ àœ÷ ¶¬÷¬ò ܬì‚è£ñ™ ¹ùL¡ õN«ò c¬ó áŸÁ‹«ð£¶ c˜ ã¡«õèñ£è M¿Aø¶?

2. ¶¬÷¬ò ܬìˆîH¡ ¹ùL¡ õN«ò c¬ó áŸÁ‹ «ð£¶ c˜ W«ö Þøƒ°õ ã¡î£ñîñ£Aø¶?

3. ï‹ Ü¡ø£ì õ£›M™ 裟Á Þ슪ðò˜„Cˆ õ‹ «õÁ ⃰Š ðò¡ð´Aø¶?

4. «óû¡ è¬ìèO¡ ñ‡ªí‡ªíŒ áŸÁ‹«ð£¶, ¹ù¬ô êŸÁ àò˜ˆF áŸÁõ¶ã¡?

10. 裟Á Þ슪ðò˜„C ªêŒî™

www.indiasudar.org10

Page 19: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 19/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟ø¿ˆîˆF¡ ðò¡ð£´èœ ðŸP ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  è‡í£® ì‹÷˜, c˜, Þó‡´ v†ó£.

ªêŒº¬ø

  è‡í£® ì‹÷¬ó có£™ GóŠð¾‹. å¼v†ó£M¬ù cKÂœ ªêƒ°ˆî£è ¬õ‚辋.ñŸªø£¼ v†ó£M¬ù cKÂœ ¬õ‚èŠð†ì

v†ó£M‚° A¬ìñ†ìñ£è Þ¼‚°ñ£ÁH®ˆ¶‚ ªè£œ÷¾‹. Þó‡´ v†ó£‚èO¡º ¬ ù » ‹ Ü ¼ è ¼ « è Þ ¼ ‚ ° ñ £ ÁH®ˆ¶‚ªè£œ÷¾‹. c¼‚° ªõO«ò àœ÷v†ó£M¡ Íô‹ 裟¬ø «õèñ£è á.â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  ê£î£óíñ£è v†ó£¬õ ì‹÷K™ ¬õ‚°‹«ð£¶ v†ó£M¡ àœ«÷»‹, ªõO«ò»‹è£Ÿø¿ˆî‹ êññ£è Þ¼‚°‹. Üîù£™ î‡a˜ ÜŠð®«ò Þ¼‚°‹.  ñŸªø£¼v†ó£M¡ õN«ò 裟¬ø «õèñ£è ᶋ «ð£¶, ᶋ º¬ù‚° âF˜º¬ùJ™°¬ø‰î‚ 裟ø¿ˆî‹ ãŸð´Aø¶. Þšõ£Á ãŸð´‹ °¬ø‰î‚ 裟ø¿ˆîˆ¬î ß´ªêŒò«õ‡®, ªõO‚裟Á cKÂœ Í›A»œ÷ v†ó£M¡ õN«ò õ¼Aø¶. Þî¡ M¬÷õ£èˆî‡a˜ v†ó£M¡ õN«ò «ñ«ô õ¼‹.  裟¬ø «õèñ£è áF‚ªè£‡«ì Þ¼Šð,«ñ«ô ãÁ‹ î‡a˜ ªîOŠð£¡ «ð£¡Á Cîø®‚èŠð´Aø¶.

Mù£‚èœ

1. Üö° G¬ôòƒèO™ àœ÷ c˜ªîOŠð£¡ âšõ£Á ªêò™ð´Aø¶?

11. vŠ«ó

www.indiasudar.org   11

Page 20: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 20/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟ø¿ˆî‹ ðŸP ÜP‰¶‚ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  ì‹÷˜, v†ó£, c˜.

ªêŒº¬ø

  å¼ v†ó£¬õ â´ˆ¶‚ªè£‡´ Üî¡ W›Šð‚è º¬ù¬ò,݆裆® Mó¬ô‚ ªè£‡´ Í쾋. H¡ù˜ «ñ™ ¶¬÷J¡

õN«ò c¬ó GóŠð¾‹. ÞŠªð£¿¶ W›Šð‚è‹ Í®J¼‚°‹Mó¬ô ⴂ辋. H¡ù˜ e‡´‹ Þ«î«ð£¡Á c¬ó GóŠH,v†ó£M¡ «ñŸ¹øˆ¬î ñŸªø£¼ Móô£™ Í쾋. H¡ù˜,W›Š¹øˆ¬î ñ†´‹ Fø‰¶, «ñŸ¹øˆ¬î ܬ숶‚ªè£œ÷¾‹. â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  ºî™ Gè›M™ v†ó£M™ àœ÷ cK¡ «ñ™ õOñ‡ìô‚裟ø£ù¶ Ü¿ˆî‹ ªè£´Šð, có£ù¶ «õèñ£è ªõOJ™ õ¼Aø¶. Þ«î «ð£¡Á c˜Gó‹Hò v†ó£M¡ «ñ™ º¬ù¬ò Í´‹ «ð£¶, v†ó£M¡ à†¹ø‹ àœ÷ cK¡ e¶

裟Á‚ ªè£´‚°‹ «ñ™ «ï£‚Aò Ü¿ˆî‹ è£óíñ£è c˜ ªõO«òø£¶.

Mù£‚èœ

1. °À‚«è£v ïñ¶ àìL™ Þøƒ°õ¶ âŠð®?

2. «ñ™ G¬ô c˜«î‚èˆ ªî£†®J™ Þ¼‰¶ c˜ âŠð® ªõO«òÁAø¶?

12. v†ó£M™ ¬è ¬õˆ¶ â´ˆî™

www.indiasudar.org12

Page 21: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 21/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  è£L𣆮™ â¡Á ªê£™õ¶ êKî£ù£? Ü™ô¶ ÜF™ ãî£õ¶ Þ¼‚Aøî£ â¡ð¬îÜPî™

«î¬õŠð´‹ ªð£¼†èœ

  è‡í£®Š 𣆮™, CÁ õ£O G¬øò c˜, CPò H÷£v®‚ ð‰¶.

ªêŒº¬ø

  ºîL™ CPò H÷£v®‚ ð‰¬î õ£OJ™ àœ÷c˜ e¶ Iî‚è M´ƒèœ. cK™ Iî‚°‹ ð‰¶ e¶

è‡í£® 𣆮¬ôˆ î¬ôWö£è‚ èM›ˆ¶H®ˆ¶‚ ªè£‡´ õ£OJ¡ Ü®Šð°F¬òˆ ªî£´‹Ü÷MŸ°ˆ î‡a¼‚°œ ÜI›ˆ¶ƒèœ. ÞŠ«ð£¶î‡a˜, 𣆮½‚°œ ªê™ô£ñ™ Þ¼Šð¬î»‹ð‰¶ 𣆮L¡ õ£ŒŠð°F‚° ܼA«ô«òIîŠð¬î»‹ è£íô£‹. ÞŠªð£¿¶ 𣆮¬ôªõO«ò â´‚è£ñ™ CP¶ CPî£è„ ꣌‚辋.ÞŠªð£¿¶ c¼‹ ð‰¶‹ 𣆮½‚°œ ªê™õ¬î»‹è£ŸÁ °I›è÷£è ªõO«òÁõ¬î»‹ è£íô£‹.

M÷‚è‹

  ºîL™ ð‰¬î î‡aK™ «ð£†ì¶‹, Iî‚°‹ 裟Áœ÷ ð‰F¡ Gèó Ü예Fî‡aK¡ Ü예F¬ò Mì °¬ø¾. âù«õ ð‰¶ Iî‚Aø¶. è‡í£®Š 𣆮¬ôˆî‡a¼‚°œ ÜI›ˆ¶‹ «ð£¶, có£ù¶ 𣆮½‚°œ ªê™ôM™¬ô. ãªùQ™ 𣆮™º¿õ¶‹ 裟Á ܬìð†´ Þ¼‚°‹. Þ‰î‚ è£ŸP¡ Ü¿ˆîñ£ù¶ cK¬ù 𣆮½‚°œªê™ô ÜÂñF‚èM™¬ô. 𣆮¬ô„ ꣌ˆî£™ 𣆮½‚°œ Þ¼‚°‹ 裟Á °I›è÷£èªõOõ¼‹. Þîù£™ 𣆮½‚°œ °¬ø‰î‚ 裟ø¿ˆî‹ ãŸð´‹. Þ‰î Ü¿ˆîˆ¬îG¬ø¾ ªêŒò õ£OJ™ àœ÷ c˜ 𣆮½‚°œ ªê™½‹. ÞŠªð£¿¶ ð‰¶ ð£†®½‚°œàœ÷ c˜ ñ†ìˆF™ IîŠð¬î‚ è£íô£‹. ÞFL¼‰¶ 裟PŸ° Þ숬î ܬ숶‚

ªè£œÀ‹ ð‡¹ à‡´ â¡ð¬î ÜPòô£‹.

Mù£‚èœ

1. 𣆮L¡ àœ«÷ â¡ù àœ÷¶?

2. 𣆮¬ô ã¡ c¼‚°œ Ü¿ˆî º®õF™¬ô?

3. c˜‚°INèœ âŠð® à¼õ£A¡ø¶?

13. à‡¬ñJ«ô«ò è£L 𣆮™ î£ù£?

www.indiasudar.org   13

Page 22: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 22/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  õOñ‡ìô‚ 裟ø¿ˆî‹ Þ™ô£ M†ì£™ õ®°ö£Œ «ð£¡ø 裟P¡ Ü¿ˆîˆî£™ªêò™ð´‹ è¼Mèœ â¶¾‹ Þòƒè£¶ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  c˜ G¬ø‰î ì‹÷˜ ñŸÁ‹ v†ó£‚èœ

ªêŒº¬ø

  ì‹÷K™ àœ÷ c¬ó å¼ v†ó£¬õŠ

ðò¡ð´ˆF àP…꾋. H¡ù˜ ì‹÷¬ó e‡´‹có£™ GóŠH º¡ù˜ «ð£ô«õ å¼ v†ó£¬õ¬õ‚辋. «ñ½‹ å¼ v†ó£¬õ c¼‚° ªõO«òÞ¼‚°ñ£Á ¬õ‚辋. ÞŠ«ð£¶ cK™ å¼ º¬ùÍ›A»œ÷ v†ó£M¡ º¬ù¬ò»‹, ñŸªø£¼v†ó£M¡ å¼ º¬ù¬ò»‹ 弃«è õ£J™¬õˆ¶ c¬ó àP…ê ºòŸC‚辋. â¡ùGè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  å¼ v†ó£¬õ ñ†´‹ ¬õˆ¶ àP…²‹ «ð£¶, v†ó£M™ àœ÷ 裟Á‹, õ£J¡à†¹ø‹ àœ÷ 裟Á‹ àP…êŠð´õ, õ£J¡ à†ð°FJ™ °¬ø‰î 裟ø¿ˆî‹ãŸð´Aø¶. Þîù£™ ªõOŠ¹ø‚ 裟P¡ Ü¿ˆîˆî£™ c˜ v†ó£M¡ õNò£è ãP õ£¬òܬìõ ð¼è º®Aø¶.

  Þó‡´ v†ó£‚è¬÷ àð«ò£èŠð´ˆ¶‹ «ð£¶ cK™ Í›A»œ÷ v†ó£M™ 裟ÁàP…êŠð†´ 裟Á Ü¿ˆî‹ °¬ø‰î «ð£¶‹, ñŸªø£¼ v†ó£M¡ å¼ º¬ù ì‹÷¬óM†´ ªõO«ò Þ¼Šð õOñ‡ìô‚ 裟Á Þî¡ Íô‹ õ£¬ò õ‰¶ ܬìAø¶.âù«õ, õ£J¡ à†¹ø‹ 裟ø¿ˆî‹ êññ¬ìAø¶. Þîù£™ c˜ v†ó£MÂœãÁõF™¬ô. âù«õ c¬óŠ ð¼è Þò½õF™¬ô.

Mù£‚èœ

1. c˜ âŠð® v†ó£M¡ õN«ò «ñ«ôÁAø¶?

2. Þó‡´ v†ó£‚è¬÷ ¬õˆ¶ àP…²‹ «ð£¶ c˜ ã¡ «ñ«ôÁõF™¬ô?

14.Þó‡´ v†ó£ «ê£î¬ù

www.indiasudar.org14

Page 23: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 23/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟P¡ Þ숬î ܬ숶‚ ªè£œÀ‹ ð‡¹ ñŸÁ‹ 裟ø¿ˆî‹ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  è‡í£®‚ °´¬õ, å¼ ¶¬÷ ܬìŠð£¡, è‡í£®‚ °ö£Œ, c˜.

ªêŒº¬ø

  è‡í£®‚°´¬õ¬ò å¼ ¶¬÷ ܬìŠð£¬ù‚ ªè£‡´Í쾋. H¡ù˜, ܬìŠð£Q¡ ¶¬÷J™ è‡í£®‚

°ö£¬ò„ ªê¼è¾‹. ÞŠ«ð£¶ è‡í£®‚ °´¬õ¬òˆî‡a¼‚°œ î¬ôWö£è‚ èM›ˆî¾‹. â¡ù Gè›Aø¶â¡ð¬î‚ èõQ‚辋. H¡ù˜ è‡í£®‚ °´¬õJÂœàœ÷ 裟¬ø ï¡° àP…C è‡í£®‚ °ö£J¡ º¬ù¬òï¡° ܬ숶 M쾋. è‡í£®‚ °´¬õ¬ò î‡a¼‚°œî¬ôWö£è‚ èM›ˆ¶, è‡í£®‚°ö£¬ò Í®J¼‚°‹Mó¬ô â´ˆ¶ M쾋. ÞŠ«ð£¶ â¡ù Gè›Aø¶ â¡ð¬î‚èõQ‚辋.

M÷‚è‹

  è‡í£®‚ °´¬õJÂœ 㟪èù«õ 裟Á Gó‹H»œ÷, °´¬õ¬òˆî‡a¼‚°œ î¬ôWö£è‚ èM›‚°‹ «ð£¶ ⶾ‹ Gè›õF™¬ô. Ýù£™,°´¬õJÂœ àœ÷ 裟¬ø  àP…²‹«ð£¶, °´¬õJÂœ 裟ø¿ˆî‹°¬øõîù£™, °´¬õJÂœ î‡a˜ àœ«÷ ªê™Aø¶. â‰î Ü÷MŸ° 裟¬ø àP…²A«ø£«ñ£, ܉î Ü÷MŸ° °´¬õJÂœ î‡a˜ ªê™õ¬î‚ è£íô£‹.

Mù£‚èœ

1. ¬ñ àP…CJ™ ¬ñ àP…êŠð´õ¶ âî¡ Ü®Šð¬ìJ™ ï¬ìªðÁAø¶?

15. c˜ àœ«÷ «ð£î™

www.indiasudar.org   15

Page 24: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 24/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  Fóõ‹ ñŸÁ‹ 裟P¡ Ü¿ˆîƒè¬÷ ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  Þó‡´ àP…² °ö£Œèœ, c˜.

ªêŒº¬ø

  ºîL™ Þó‡´ àP…² °ö£Œè¬÷ â´ˆ¶‚ªè£œ÷¾‹. H¡ Üî¡ º¬ù¬ò æ˜ Ü¬ìŠð£ù£™

Í®, 冴ˆî£÷£™ å†ì¾‹. àP…²‚ °ö£J™ àœ÷Hvì¬ù ªõO«ò â´ˆ¶ M쾋. ºîô£õ¶ àP…²°ö£J™ c¬ó GóŠð¾‹. Þó‡ì£õ¶ àP…² °ö£¬òÜŠð®«ò ¬õ‚辋. Þš¾P…² °ö£J™ 裟Áܬìð†´ Þ¼‚°‹. ÞŠ«ð£¶ Þó‡´ àP…²°ö£ŒèO½‹ Hvì¬ù ¬õˆ¶ Ü¿ˆî¾‹. H¡ â¡ùGè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  FóõˆF™ àœ÷ Íô‚ÃÁèÀ‚A¬ì«ò àœ÷ ߘŠ¹ M¬ê F‡ñŠ ªð£¼†èO™

àœ÷¬îMì‚ °¬ø¾. cK™ àœ÷ Íô‚ÃÁèÀ‚A¬ì«ò CP¶ Þ¬ìªõO àœ÷¶.âù«õ c˜ àœ÷ àP…² °ö£¬ò„ CPî÷«õ Ü¿ˆî º®»‹. õ£»‚èO™Íô‚ÃÁèÀ‚A¬ì«ò àœ÷ ß ˜ Š ¹ M¬ê I辋 °¬ø¾ . Üîù£™Íô‚ÃÁèÀ‚A¬ì«ò àœ÷ Þ¬ìªõO I辋 ÜFè‹. âù«õ 裟Á àœ÷ àP…²°ö£¬ò ÜFè Ü÷¾ Ü¿ˆî º®Aø¶. Üîù£™ Fóõƒè«÷£´ åŠH´‹«ð£¶ õ£»‚è¬÷I辋 âOî£è Ü¿ˆî º®»‹.

Mù£‚èœ

1. ð…² å¼ F슪𣼜. Ýù£½‹ ܬî Ü¿ˆî º®Aø¶. ã¡?

2. i´èO™ á¶ðˆF ãŸP ¬õˆî£™ Üî¡ õ£ê¬ù i´ º¿õ¶‹ ðó¾õ¶ âšõ£Á?

16. Fóõ‹ ñŸÁ‹ õ£»‚èœ eî£ù Ü¿ˆî M¬÷¾

www.indiasudar.org16

Page 25: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 25/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  FóõŠ ªð£¼†èO™ Ýö‹ ÜFèK‚°‹ «ð£¶, Ü¿ˆîº‹ ÜFèK‚°‹ â¡ð¬îÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  è£Lò£ù î‡a˜ 𣆮™, c˜, °‡ÇC.

ªêŒº¬ø

  è£Lò£ù î‡a˜ 𣆮¬ô â´ˆ¶‚ ªè£‡´, Üî¡ å¼

ð°FJ™ «ñL¼‰¶ Wö£è êñªî£¬ôM™ Í¡Á ¶¬÷èœÞ쾋. Í¡Á ¶¬÷è¬÷»‹ Mó™è÷£™ ܬ숶‚ ªè£‡´ð£†®L™ î‡a˜ GóŠð¾‹. H¡ù˜ Mó™è¬÷ â´ˆ¶ M†´î‡a˜ ªõO«òÁ‹ ñ¬ò‚ èõQ‚辋.

M÷‚è‹

  𣆮™ º¿õ¶‹ î‡a˜ GóŠHò H¡ù˜, Mó™è¬÷ â´ˆ¶ M´‹ «ð£¶ î‡a˜¶¬÷èœ õN«ò ªõO«òÁ‹. ÞF™ «ñ«ô àœ÷ ¶¬÷JL¼‰¶ ªõO«òÁ‹ có£ù¶ð£†®L¡ ܼA½‹, Ü®J™ àœ÷ ¶¬÷ õN«ò ªõO«òÁ‹ c˜ 𣆮LL¼‰¶ªî£¬ôM½‹ ï´M™ Þ¼‰¶ ªõO«òÁ‹ c˜ Þ󇮟°‹ ï´M½‹ M¿õ¬î‚

è£íô£‹. Þ‚ è£óí‹ cK¡ «ñ™ ð°FJ™ Ýö‹ °¬ø¾, âù«õ ܃° Ü¿ˆîº‹°¬ø¾. âù«õ î‡a˜ 𣆮LL¼‰¶ Iè‚ °¬ø‰î ªî£¬ôM™ M¿Aø¶.𣆮L¡ Ü®Š¹øˆF™ Ýö‹ ÜFèñ£è àœ÷ Ü¿ˆîº‹ ÜFè‹. âù«õ, Ü®Š¹øˆ¶¬÷J™ Þ¼‰¶ ªõO«òÁ‹ c˜ ÜFèˆ ªî£¬ôM™ M¿Aø¶.

  c˜ ªõO«òÁ‹ Þ숬î àŸÁ «ï£‚°. ðóŠHŸ°„ ªêƒ°ˆî£è c˜ ªõO«òÁõ¬î‚è£íô£‹. Ýù£™, ܶ, ªî£ì˜‰¶ Ü«î «ð£¡Á ªê™ô º®ò£¶. ãªùQ™ ¹MߘŠ¹M¬ê ªêò™ð†´, cK¡ ó¬ò õ¬÷ˆ¶ M´Aø¶.

  cK¡ «ñŸðóŠH™ Ü¿ˆî‹ °¬ø¾. W«ö ªê™ô„ªê™ô, Üî£õ¶ Ýö‹ ÜFèK‚°‹«ð£¶ cK¡ Ü¿ˆî‹ ÜFèK‚Aø¶.

Mù£‚èœ

1. ܬí‚膴‚èœ è†´‹«ð£¶, ªð£Pò£÷˜èœ ²õK¡ Ü®Šð°F¬ò Üèôñ£èõ®õ¬ñŠð¶ ã¡?

2. Ü´‚°ñ£®‚ 膮ìƒèO™ àòóñ£ù ÞìˆF™ î‡a˜ ªî£†®¬ò ¬õŠð¶ ã¡?

3. «ñ™ G¬ôˆ ªî£†®èO™ î‡a˜ °¬ø»‹ «ð£¶ °ö£ŒèO™ õ¼‹ î‡a˜ªñ™Lòî£è õ¼õ¶ ã¡?

17. Ýö‹ ÜFèK‚è Ü¿ˆî‹ ÜFèK‚°‹

www.indiasudar.org   17

Page 26: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 26/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  cK¡ Ü¿ˆî‹ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  H÷£v®‚ î‡a˜ 𣆮™, c˜, áC.

ªêŒº¬ø

  H÷£v®‚ 𣆮¬ô â´ˆ¶, Üî¡ Ü®Š¹øˆFŸ°„êŸÁ «ñ«ô å«ó ñ†ìˆF™ êñ ªî£¬ôM™ Í¡Á

¶¬÷è¬÷ Þ쾋. H¡ Í¡Á ¶¬÷è¬÷»‹Ü¬ìˆ¶‚ ªè£‡´ 𣆮L™ c¬ó GóŠð¾‹. 𣆮™Gó‹Hò¾ì¡ ¶¬÷è¬÷ ܬ숶œ÷ Mó™è¬÷â´ˆ¶ M†´, ¶¬÷èO¡ õN«ò c˜ ªõO«òÁõ¬î‚èõQ‚辋.

M÷‚è‹

  𣆮L™ Í¡Á ¶¬÷èÀ‹ êñ ÝöˆF™ àœ÷, Ü‰îŠ ¹œOJ™ ªêò™ð´‹Ü¿ˆîº‹ êññ£è àœ÷¶. âù«õ, Í¡Á ¶¬÷èOL¼‰¶‹ ªõO«òÁ‹ có£ù¶,𣆮L™ Þ¼‰¶ êñªî£¬ôM™ M¿Aø¶. 𣆮L™ c˜ °¬ø»‹ «ð£¶, 𣆮½‚°‹

c˜ M¿‹ ÞìˆFŸ°‹ àœ÷ Þ¬ìªõO»‹ Yó£è‚ °¬ø‰¶ õ¼õ¬î‚ è£íô£‹.

Mù£‚èœ

1. Ü¿ˆî‹ â¡ø£™ â¡ù?

2. 𣆮L™ å¡ø¡W› å¡ø£è ¶¬÷J†®¼‰î£™ â¡ù G蛉F¼‚°‹?

3. î‡a˜ ñ†ì‹ °¬ø»‹«ð£¶ 𣆮½‚°‹ î‡a˜ M¿‹ ¹œO‚°‹ Þ¬ì«ò àœ÷ªî£¬ô¾ °¬ø‰¶ ªè£‡«ì õ¼õ¶ ã¡?

18. å«ó Ýö‹ å«ó Ü¿ˆî‹

www.indiasudar.org18

Page 27: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 27/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  åO «ï˜«è£†®™ ªê™½‹ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  åO á´¼õ‚îò H÷£v®‚ ªð†®, ꣋Hó£E, «ôê˜ ¬ô†.

ªêŒº¬ø

  ºîL™ «ôê˜ åO¬òŠ ªð†®J¡ õNò£è„ ²õŸP¡ «ñ™ Ü®‚辋. H¡ù˜ê£‹Hó£E¬òŠ ðŸø ¬õˆ¶ H÷£v®‚ ªð†®JÂœ ¬õˆ¶, ªð†®¬ò Í쾋.

꣋Hó£EJ¡ ¹¬è ªð†®JÂœ G¬ø»‹ õ¬ó‚ 裈F¼‚辋. H¡ù˜ «ôê˜ åO¬òªð†®JÂœ ªê½ˆî¾‹. â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  ê£î£óíñ£èŠ H÷£v®‚ ªð†®J¡ õNò£è «ôê˜ ¬ô† Ü®‚°‹«ð£¶ Üî¡ åOªê™õ¶ ªîKõF™¬ô. Ýù£™, ªð†®J™ ꣋Hó£E ¹¬è G¬ø‰F¼‚°‹ «ð£¶åOò£ù¶ å¼ «ï˜«è£†´Š ð£¬îJ™ ªê™õ¬î ï‹ñ£™ è£í Þò½Aø¶.

  ªð†®J¡ àœ«÷ CPò Ýù£™ ÜFèñ£ù ¹¬èˆ¶èO™ åOð†´ CîÁõ ïñ‚°åOJ¡ ð£¬îˆ ªîKAø¶.  𣘊𶠹¬èˆ ¶èœèœ ñ†´«ñ.

Mù£‚èœ

1. Þó¾ «ïóƒèO™ I¡ê£ó‹ G¡Á «ð£°‹ «ð£¶ è‡è¬÷ˆ Fø‰F¼‰î£½‹ªð£¼œè¬÷Š ð£˜‚è º®õF™¬ô. ã¡?

2. ªõŸPìƒèO™ åO ðó¾ñ£?

3. Þó¾ «ïóƒèO™ ꣬ôJ™ ªê™½‹ õ£èùƒèO¡ ºèŠ¹ M÷‚A¡ åO¬òŠð£˜ˆF¼‚Al˜è÷£?

4. Þó¾ «ïóƒèO™ ªîK»‹ Gô£ ñŸÁ‹ M‡e¡èœ ðè™ «ïóƒèO™ ªîKò£î¶ ã¡?

5. F¬óòóƒ°èO™ ðì‹ «ð£´‹ ܬøJ™ Þ¼‰¶ õ¼‹ åO â‰îŠð£¬îJ™ ªîKAø¶?

19. åO ªê™½‹ ð£¬î

www.indiasudar.org   19

Page 28: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 28/110

«ï£‚è‹

  ð÷ð÷Šð£ù ªð£¼†èO™ ð†´ åOò£ù¶ âFªó£O‚°‹ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  åO á´¼¾‹ H÷£v®‚ ªð†®, ꣋Hó£E, êñî÷ Ý®, v죇´, «ôê˜ ¬ô†.

ªêŒº¬ø

  ºîL™ ꣋Hó£E¬òŠ ðŸø ¬õˆ¶ªð†®JÂœ ¬õˆ¶, êñî÷ Ý®¬ò»‹

ªð†®JÂœ ¬õˆ¶ ªð†®¬ò Ü¿ˆFÍ쾋. ¹¬è º¿õ¶‹ ªð†®JÂœ ðó¾‹õ¬ó‚ 裈F¼‚辋. H¡ù˜ «ôê˜åO¬ò ªõš«õÁ ÞìƒèOL¼‰¶ªð†®JÂœ ªê½ˆF, Gè›õ¬î‚èõQ‚辋.

M÷‚è‹

  «ôê˜ åO¬ò êñî÷ Ý®J¡ e¶ ð´ñ£Á ªê½ˆ¶‹ «ð£¶, êñî÷ Ý®ò£ù¶ åO¬ò

“V” õ®õˆF™ âFªó£OŠð¬î‚ è£íô£‹. Þƒ° åO êñî÷ Ý®J™ ð´‹¹œO 𴹜O

Ý°‹. «ôê˜ M÷‚A™ Þ¼‰¶ õ¼‹ åO‚èF˜ ð´èF˜ Ý°‹. 𴹜OJL¼‰¶âFªó£Oˆ¶„ ªê™½‹ èF˜ âFªó£OŠ¹‚ èF˜ Ý°‹. 𴹜OJL¼‰¶ èŸð¬ùò£è 弪ꃰˆ¶‚ «è£´ õ¬ó‰î£™, ð´èF¼‚°‹ ªêƒ°ˆ¶‚ «è£†®Ÿ°‹ Þ¬ìŠð†ì «è£í‹

ð´«è£í‹  (i) Ý°‹. ªêƒ°ˆ¶‚ «è£†®Ÿ°‹ âFªó£OŠ¹‚ èF¼‚°‹ Þ¬ìŠð†ì

«è£í‹ âFªó£OŠ¹‚ «è£í‹  (r) Ý°‹. «ñ½‹ ð´«è£íº‹ âFªó£OŠ¹‚ «è£íº‹êññ£è ܬñõ¬î‚ è£íô£‹. Ýù£™ «ôê˜ åO¬ò„ ªêƒ°ˆî£è Mö„ ªêŒ»‹ «ð£¶,ð´èF¼‹ âFªó£OŠ¹‚ èF¼‹ å«ó «ï˜«è£†®™ ܬñõ¬î‚ è£íô£‹. Üî£õ¶ êñî÷Ý®J™ åO âšõ÷¾ «è£íˆF™ M¿Aø«î£ Ü«î «è£íˆî™ âFªó£O‚°‹.

ÞFL¼‰¶ ð´«è£íº‹ âFªó£OŠ¹‚ «è£íº‹ êñ‹ (i=r) âùˆ ªîK‰¶ ªè£œ÷ô£‹.

Mù£‚èœ

1. êñî÷ Ý®J™ àœ÷ ð£îóêŠ Ì„¬ê c‚°‹«ð£¶ H‹ð‹ â¡ùõ£°‹?

2. êñî÷ Ý®J™ «î£¡Á‹ àù¶ H‹ð‹ «ïó£ùî£? î¬ôWö£ùî£?

3. ªðKv«è£ŠH™ ðò¡ð´ˆîŠð´‹ Ý®J¡ ªðò˜ â¡ù?

Science Experimental Based Learning & Awareness Ver. 2.0

20. åO âFªó£OŠ¹

www.indiasudar.org20

Page 29: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 29/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  åO Môè™ îˆ¶õˆ¬îŠ ðŸP ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  å¼ ªð¡C™, å¼ è‡í£® ì‹÷˜, c˜.

ªêŒº¬ø

  ºîL™ è£Lò£ù è‡í£® ì‹÷¬ó â´ˆ¶ Üî¡ àœ«÷ ªð¡C¬ô¬õ‚辋. ªð¡CL¡ ð‚èõ£†®L¼‰¶ ªð¡C¬ôŠ 𣘂辋. H¡ù˜

ì‹÷K™ ð£F Ü÷¾ c¬ó GóŠð¾‹. ÞŠ«ð£¶‹ º¡ G¡ø G¬ôJ«ô«òG¡Á ªð¡C¬ôŠ 𣘂辋. Þ¼ º¬øèO½‹ c 裵‹ «î£ŸøˆFŸ°Þ¬ìJ™ â¡ù MˆFò£ê‹ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  î‡a˜ áŸø£î «ð£¶ ì‹÷K¡ àœ«÷ å«ó å¼ ªð¡C™ ñ†´‹ ªîKAø¶. Ýù£™î‡a˜ áŸPò H¡ù˜ ªð¡C™ à¬ì‰¶ Þ¼Šð¬îŠ «ð£™ ªîKAø¶.

  åOò£ù¶ Ü옾 MˆFò£êºœ÷ Þ¼ «õÁ áìèƒèO¡ õN«ò ªê™½‹ «ð£¶Üî¡ ð£¬î ñ£Á‹. Þî¬ù åOMôè™ â¡A«ø£‹. Þ‰î åO Môèô£ù¶, Þó‡´

áìèƒèœ ê‰F‚°‹ ðóŠH™ ã«î‹ å¼ ¹œOJ™ áìèˆF¡ ð󊹂°„ ªêƒ°ˆî£èõ¬óòŠð´‹ «è£†®Ÿ°, Ü옾 I°‰î c˜ áìèˆFL¼‰¶ Ü옾 °¬ø‰î 裟Ááì舶‚° åO‚èF˜ õ¼‹«ð£¶ ªêƒ°ˆ¶‚ «è£†¬ì M†´ MôA„ ªê™½‹. Ü옾°¬ø‰î (裟Á) áìèˆFL¼‰¶ Ü옾 I°‰î (è‡í£®) áìèˆFŸ° åO‚èF˜ªê™½‹«ð£¶„ ªêƒ°ˆ¶‚ «è£†¬ì «ï£‚A Môè™ Ü¬ì»‹. Þîù£™ ªð¡C™à¬ì‰î¶ «ð£™ ªîKAø¶.

Mù£‚èœ

1. ªð¡C™ ªðKî£èˆ ªîKõ¶ ã¡?

2. ð£¬ôõùˆF™ î‡a˜ î£èˆF™ ªê™½‹ å¼õ˜, ªî£¬ôM™ °†¬ìJ™ î‡a˜

«îƒAJ¼Šð¬îŠ «ð£¡ø 裆C¬òŠ 𣘊𣘠ã¡?

21. õ¬÷‰î ªð¡C™

www.indiasudar.org   21

Page 30: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 30/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  åOJ¡ Môè™ ð‡H¬ù ÜP‰¶ ªè£œ÷™.

«î¬õŠð´‹ ªð£¼†èœ

  å¼ è‡í£® ì‹÷˜, c˜, å¼ CPò ï£íò‹.

ªêŒº¬ø

  ï£íòˆ¬î â´ˆ¶, «ñ¬êJ¡ e¶ ¬õ‚辋. è‡í£®ì‹÷¬ó â´ˆ¶ ï£íò‹ º¿õ¶‹ ñ¬ø»‹ õ‡í‹

è‡í£® ì‹÷¬ó ï£íòˆF¡ e¶ ¬õ‚辋. ÞŠ«ð£¶ï£íòˆ¬î ì‹÷K¡ ð‚èõ£†®L¼‰¶ 𣘂辋. ÞŠ«ð£¶ì‹÷˜ º¿õ¬î»‹ có£™ GóŠH ÞŠ«ð£¶ ï£íòˆ¬î º¡G¡ø G¬ôJL¼‰¶ ð£˜‚è ºòŸC‚辋.

M÷‚è‹

  c˜ GóŠðŠð†ì ì‹÷K¡ ð‚èõ£†®L¼‰¶ 𣘂°‹ «ð£¶ ï£íò‹ ªîKõF™¬ô.ê£î£óíñ£è ì‹÷K™ c˜ Þ™ô£î «ð£¶ ì‹÷K¡ àœ«÷»‹ ªõO«ò»‹ 裟Á Þ¼Šðï£íòˆF™ Þ¼‰¶ õ¼‹ åO ï‹ è‡è¬÷ ܬìõ  ï£íòˆ¬îŠ 𣘂A«ø£‹.

  åO Môè™ â¡Â‹ Gè›Mù£™ c˜ Gó‹Hò ì‹÷K¡ õNò£è ï‹ñ£™ ï£íòˆ¬îŠð£˜‚è ÞòôM™¬ô. c˜ Ü옾 I°‰î áìè‹(ªð£¼œ). 裟ø£ù¶ Ü옾 °¬ø‰îáìè‹. åO ⊫𣶋 «ï˜ «è£†®™ ªê™½‹ Þò™¹¬ìò¶. Ýù£™ Þ¶ Þó‡´ Ü옾«õÁ𣴠àœ÷ áìèƒèO¡ õNò£èŠ ðòE‚°‹ «ð£¶, å¼ áìèˆFL¼‰¶ ñŸªø£¼áìèˆFÂœ ¸¬ö»‹ «ð£¶ î¡ «ï˜ «è£†®L¼‰¶ êŸÁ MôA„ ªê™Aø¶.ï£íòˆFL¼‰¶ õ¼‹ åOò£ù¶ Þšõ£Á MôA ï‹ è‡è¬÷ ܬìõï£íòñ£ù¶ «õ«ø£˜ ÞìˆF™ àœ÷¶ «ð£™ ªîKAø¶.

åOMôèô£™  cK¡ Ýöñ£ù¶ à‡¬ñò£ù Ýöˆ¬îMì °¬ø‰î Ýö‹àœ÷¶ «ð£¡ø å¼ «î£Ÿøˆ¬îˆ î¼Aø¶.

Mù£‚èœ

1. î‡aK™ c‰¶‹ e¡ ܼA™ Þ¼Šð¶ «ð£¡ø «î£Ÿø‹ î¼õ¶ ã¡?

2. è‡í£® ì‹÷K™ c˜ áŸPò¶‹ ï£íò‹ ã¡ ï‹ è‡èÀ‚°ˆ ªîKõF™¬ô?

3. ì‹÷K¡ «ñ™ð°FJ™ ï£íòˆ¬îŠ 𣘈 ªðKî£èˆ ªîKõ¶ ã¡?

4. c„ê™ °÷‹ Ýöñ£è Þ¼‰¶‹ 𣘂°‹ ªð£¿¶ ã¡ Ýö‹ °¬ø‰î¶ «ð£™è£íŠð´Aø¶?

22. åO Môè™

www.indiasudar.org22

Page 31: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 31/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  °M ªô¡C¡ e¶ åO ⃰ M¿‰î£½‹ Üî¬ìò åO¬ñòˆ¬î «ï£‚A °Mò¬õ‚°‹ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  H÷£v®‚ ªð†®, ꣋Hó£E, ªô¡v A, Þó‡´ «ôê˜ ¬ô†´èœ, °Mªô¡v.

ªêŒº¬ø

  õ†ì õ®ñ£ù °Mªô¡¬ú â´ˆ¶ Üî¡

¬ñòŠð°F¬ò‚ 致H®ˆ¶, ¬ñòˆ¬î «ðù£¬ñò£™ ܬìò£÷I†´‚ ªè£œ÷¾‹. °Mªô¡¬úªô¡v AJ™ ¬õˆ¶ Üî¬ù ªð†®J¡ ï´M™¬õ‚辋. H¡ù˜ ðŸø ¬õˆî ꣋Hó£E¬òŠªð†®JÂœ ¬õˆ¶Š ªð†®¬ò Ü¿ˆF Í쾋. ¹¬èº¿õ¶‹ ªð†®JÂœ ðó¾‹ õ¬ó 裈F¼‚辋.H¡ù˜ «ôê˜ åO¬ò‚ °Mªô¡R™ ܬìò£÷I†ì¬ñòˆF¡ «ñ™ð°FJ™ ªê½ˆî¾‹. ªô¡R¡ñÁ¹ø‹ åO ªê™½‹ F¬ê¬ò‚ èõQ‚辋. H¡ù˜ «ôê˜ åO¬ò ¬ñòŠð°F‚°‚W«ö ªê½ˆF, ñÁ¹ø‹ åO ªê™½‹ F¬ê¬ò‚ èõQ‚辋. H¡ù˜ «ôê˜ åO¬ò

¬ñòŠ¹œOJ¡ e¶ ªêƒ°ˆî£èŠ ð´ñ£Á ªê½ˆî¾‹. H¡ù˜ Þó‡´ «ô꘬ô†´è¬÷»‹ å«ó êñòˆF™ å¡Á ¬ñòˆFŸ° «ñ«ô»‹ ñŸªø£¡Á ¬ñòˆFŸ°W«ö»‹ ð´ñ£Á åO¬ò„ ªê½ˆî¾‹. 嚪õ£¼ Gè›M½‹ ªô¡C¡ ñÁ¹ø‹ åOªê™½‹ ð£¬î¬ò à¡QŠð£è‚ èõQ‚辋.

M÷‚è‹

  °Mªô¡R¡ ¬ñòˆFŸ° «ñŸð°FJ™ ð´‹ åO W›Šð°F¬ò «ï£‚A Môè™Ü¬ì»‹. W›Š ð°FJ™ ð´‹ åO «ñŸð°F¬ò «ï£‚A Môè™ Ü¬ì»‹. ªô¡R¡¬ñòŠð°FJ™ ð´‹ «ð£¶ åOJ¡ ð£¬îJ™ â‰î ñ£Ÿøº‹ Þ™¬ô. Þó‡´ «ô꘬ô†´è¬÷ Ü®‚°‹ «ð£¶ ܬõ Þó‡´‹ å«ó F¬ê¬ò «ï£‚A °M‰¶ ªê™½‹.

  °Mªô¡ú£ù¶ Üî¡ å¼¹øˆF™ ð´‹ åO‚èF˜è¬÷ â™ô£‹ Üî¡ ñÁ¹øˆF™àœ÷ å¼ °PŠH†ì ¹œO¬ò «ï£‚A °Mò„ ªêŒ»‹.

Mù£‚èœ

1. F¬óòóƒèˆ F¬óJ™ è£íŠð´‹ H‹ð‹ ªñŒò£ùî£? ñ£òˆî¡¬ñ à¬ìòî£?

2. Þó‡´ «ôê˜ ¬ô†´è¬÷»‹ 塬ø  °PJ†ì ¬ñòŠ¹œO‚° õôŠ¹øº‹,ñŸªø£¡¬ø Þ승øº‹ Ü®ˆî£™ ܬõ â‰î F¬êJ™ F¼‹¹‹?

23. °M ªô¡C™ åOMôè™

www.indiasudar.org   23

Page 32: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 32/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªõœª÷£O ã¿ Gøƒè¬÷ à¬ìò¶ â¡ð¬î ÜP‰¶‚ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  Ýö‹ °¬ø‰î Üèôñ£ù A‡í‹, êñî÷ Ý®, 죘„ ¬ô† (ªõœO Gø ªõO„ê‹îó‚îò¶), ªè†®ò£ù ªõœ¬÷ Gø ܆¬ì.

ªêŒº¬ø

  A‡íˆF™ º‚裙 ðƒ° c¬ó GóŠð¾‹. Üî¡ H¡ù˜ êñî÷ Ý®¬ò‚

A‡íˆFÂœ cK™ Í›°‹ð® ¬õ‚辋. H¡¹ 죘„¬ô† åO¬ò êñî÷ Ý®J¡ e¶ªê½ˆî¾‹. åO HóFðL‚°‹ ÞìˆF™ ªõœ¬÷ Gø ܆¬ì¬ò ¬õ‚辋. Gè›õ¬î‚èõQ‚辋.

M÷‚è‹

  åO ã¿ Gøƒè÷£™ Ýù¶. Þ‰Gøƒèœ ܬùˆ¶‹ å¼ °PŠH†ì õK¬êJ™Ü¬ñ‰¶œ÷ù. ܬõ áî£, cô‹, è¼cô‹, ð„¬ê, ñ…êœ, ªê‹ñ…êœ (Ýó…²), CõŠ¹â¡Â‹ õK¬êJ™ ܬñ‰¶œ÷ù.

A‡íˆFÂœ àœ÷ êñî÷ Ý®J™ ð´‹ åOò£ù¶, ºîL™ 裟P½‹, H¡ù˜

cK½‹, êñî÷ Ý®J™ ð†´ HóFðLˆî H¡ù˜ e‡´‹ cK½‹, Üî¡ H¡ù˜ 裟P½‹ðòE‚Aø¶. Þšõ£Á ð™«õÁ áìèƒèO™ ðòE‚°‹ «ð£¶ åO ðôº¬ø åOMôè™Ü¬ìõ, ÜîÂœ ÜìƒAò õ‡íƒèœ îQˆîQò£èŠ HKAø¶. Þîù£™ ªõœ¬÷Gø ܆¬ìJ™ õ£ùM™ ªîKAø¶.

  Þ«î «ð£¡ø G蛾 ñ¬ö «ïóˆF™ Gè›Aø¶. ñ¬ö ªðŒ¶ ªè£‡®¼‚°‹ «ð£¶,ÅKò åO i²‹ «ð£¶, ÅKòQ¡ åO‚ èF˜èœ ñ¬öˆ¶OJ¡ Íô‹ åOMôè™Ü¬ìAø¶. Üšõ£Á Môè™ Ü¬ì»‹ «ð£¶ ÅKò åOJ™ àœ÷ Gøƒèœ îƒèœÞò™HŸ«èŸð ªõš«õÁ F¬êèO™ Môè™ Ü¬ìõ õ£ùM™ ãŸð´Aø¶.

Mù£‚èœ

1. õ£ùˆF™ õ£ùM™¬ôŠ 𣘈F¼‚Al˜è÷£?

2. õ£ùM™ âˆî¬ù Gøƒè¬÷ à¬ìò¶?

3. õ£ùM™ âŠð®ˆ «î£¡ÁAø¶?

4. ªõœª÷£Oò£ù¶ ã¿ Gøƒè÷£è GøŠHK¬è ܬìõ¬î‚ 致H®ˆî ÜPMò™ÜPë˜ ò£˜?

5. Gøƒè¬÷„ «ê˜ˆ¶ ªõœ¬÷ åO¬òŠ ªðø Þò½ñ£?

24. õ£ùM™L¡ ã¿ Gøƒèœ

www.indiasudar.org24

Page 33: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 33/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  åO‚蟬øèO¡ ð‡¹, °N, °M Ý®èO¡ ð‡¹ ñŸÁ‹ H‹ð‹ à‡ì£°‹ º¬øðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  4x2 Üƒ°ô‹ Ü÷¾œ÷ ÞóŠð˜ ¶‡´, 5 ܃°ô c÷ºœ÷ ¶¬ìŠð‚ °„Cèœ 3.

ªêŒº¬ø

  ÞóŠð˜ ¶‡®™ å«ó «ï˜‚«è£†®™ ܬñ»ñ£Á Í¡Á

¶¬÷è¬÷„ êñÉóˆF™ Þ쾋. H¡¹ ܈¶¬÷èO™ Í¡Á°„Cè¬÷„ ªê¼è¾‹. ÞŠªð£¿¶ ÞóŠð˜ ¶‡¬ì„ ªêƒ°ˆî£èGÁˆF, °„Cèœ âšõ£Á «î£¡ÁAø¶ â¡ð¬î‚ è£í¾‹.H¡ù˜ ÞóŠð˜ ¶‡¬ì‚ °„Cèœ ªê¼èŠð†ì ð‚èñ£è„ CP¶õ¬÷ˆ¶‚ °„CèO¡ «î£Ÿøˆ¬î‚ è£í¾‹. e‡´‹ ÞóŠð˜¶‡¬ì‚ °„Cèœ ªê¼èŠð†ì ð‚èˆFŸ° âF˜ð‚èñ£è CP¶õ¬÷ˆ¶ e‡´‹ °„CèO¡ «î£Ÿøˆ¬î‚ è£í¾‹.

M÷‚è‹

  ÞóŠð˜ ¶‡´ «ïó£ù G¬ôJ™ Þ¼‚°‹«ð£¶ °„Cèœ Yó£ù

Þ¬ìªõOJ™ å¡Á‚ªè£¡Á Þ¬íò£è Þ¼‚°‹. Þ‰î ܬñŠð£ù¶ êñî÷ Ý®J™ð†´ âFªó£O‚°‹ åO‚蟬øè¬÷ åˆF¼‚Aø¶.

  ÞóŠð˜ ¶‡¬ì‚ °„Cèœ ªê¼èŠð†ì ð‚èñ£è õ¬÷‚°‹ «ð£¶, æóˆF™ àœ÷°„Cèœ ï´M½œ÷ °„C¬ò «ï£‚A õ¬÷‰¶ 塬øªò£¡Á ªî£´A¡øù. Þ‰îܬñŠð£ù¶ °Nò£®J™ ð†´ âFªó£O‚°‹ åO‚蟬øè¬÷ åˆF¼‚Aø¶. °„Cèœê‰F‚°‹ ¹œO«ò °N Ý®J¡ º‚Aò °Mò‹ âùŠð´‹.

  ÞóŠð˜ ¶‡¬ì‚ °„Cèœ ªê¼èŠð†ì ð‚èˆFŸ° âF˜Šð‚èñ£è õ¬÷‚°‹ «ð£¶,æóˆF™ àœ÷ °„Cèœ ï´M½œ÷ °„C¬ò MôA„ ªê™A¡øù. Þ‰î ܬñŠð£ù¶°Mò£®J™ ð†´ âFªó£O‚°‹ åO‚蟬øè¬÷ åˆF¼‚Aø¶. à¡ï‡ð¬ù

ܬöˆ¶, °„Cè¬÷ ÞóŠð˜ ¶‡®¡ ñÁ¹øˆFŸ°ˆ îœOM´‹ð® ªêŒî£™, °„CèœÞóŠð˜ ¶‡®¡ H¡¹øˆF™ ê‰FŠð¬î‚ è£íô£‹. °„Cèœ ê‰F‚°‹ ¹œO«òº‚Aò°Mò‹ â¡ð¬î ÜP‰«î£‹. âù«õ °Mò£®J™ °MòÉó‹ âFªó£O‚°‹ð‚èˆFŸ° âF˜Šð‚èˆF™ ܬñ»‹.

Mù£‚èœ

1. Ý® â¡ø£™ â¡ù?

2. °Nò£® â¡ð¶ â¡ù?

25. åO‚蟬øèœ

www.indiasudar.org   25

Page 34: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 34/110

Science Experimental Based Learning & Awareness Ver. 2.0

26. è‡í£®‚°œ å¼ ñ£ò‹ - 1

www.indiasudar.org

«ï£‚è‹

  °N Ý®J™ «î£¡Á‹ ªñŒ, ñ£ò H‹ðƒè¬÷Š ðŸP ÜPî™

«î¬õŠð´‹ ªð£¼†èœ

  °N Ý®, A, ªñ¿°õ˜ˆF, bŠªð†®, F¬ó 

ªêŒº¬ø

  å¼ °N Ý®¬òˆ AJ™ ªð£¼ˆF, «ñ¬êJ¡ æ˜æóˆF™ ¬õ»ƒèœ. å¼ ªñ¿°õ˜ˆF¬ò‚ °N Ý®‚°Ü¼A™ Üî¡ àò󈶂° ãŸð ãŸP ¬õ»ƒèœ .

ªñ¿°õ˜ˆF‚° ܼA™ å¼ F¬ó¬ò ¬õ»ƒèœ.ªñ¿°õ˜ˆF„ ²ìK¡ H‹ðˆ¬îŠ H®Šðˆ F¬ó¬òº¡Â‹ H¡Â‹ ï蘈¶ƒèœ. F¬óJ™ ²ìK¡ H‹ð‹ Cô ÞìƒèO™ ªðKòî£è¾‹,î¬ôWö£è¾‹ M¿õ¬îŠ 𣘂èô£‹.

°N Ý®¬ò «ï£‚Aˆ F¬ó¬ò ªñ¶õ£è ï蘈¶ƒèœ. ªñ¿°õ˜ˆF Þ¼‚°‹ â™ô£G¬ôèO½‹ F¬óJ™ H‹ð‹ CPòî£è¾‹, ªðKòî£è¾‹, î¬ôWö£è¾‹ ªîK»‹.

  ÞŠ«ð£¶ °N Ý®‚° ܼA™ ªñ¿°õ˜ˆF¬ò ªñ¶õ£è ï蘈¶ƒèœ. H‹ð‹ªðKòî£è¾‹ «ïó£è¾‹ ªîKAøî£? Þ â¡ù è£óí‹.

M÷‚è‹

  è‡í£®J™ ªêŒòŠð†ì àœkìŸø «è£÷ŠðóŠHL¼‰¶ ªõ†® â´‚èŠð†ì ð°F«ò«è£÷è Ý®. õ¬÷‰î ðóŠH¡ ªõOŠ¹øˆF™ ºô£‹ ÌêŠð†®¼‰î£™ ܶ °N Ý®. °NÝ®J¡ õ®Mò™ ¬ñò‹ Ý® ¬ñò‹ âùŠð´Aø¶. °N Ý® â‰î‚ «è£÷ŠðóŠHL¼‰¶ªõ†® â´‚èŠð†ì«î£ Ü‰î «è£÷ˆF¡ ¬ñò‹ õ¬÷¾ ¬ñò‹ Ý°‹. õ¬÷¾ ¬ñòˆ¬î»‹Ý® ¬ñòˆ¬î»‹ ެ킰‹ «è£´ º‚Aò Ü„² Ý°‹. º‚Aò Ü„²‚° Þ¬íò£è õ¼‹åO‚èF˜èœ °N Ý®J™ âFªó£O‚èŠð†´ º‚Aò Ü„C½œ÷ å¼ ¹œOJ™ °M»‹.ÞŠ¹œO«ò º‚Aò °Mò‹ âùŠð´‹.

  °N Ý®J¡ º¡ å¼ ªð£¼œ ¬õ‚èŠð´‹ «ð£¶ ªð£¼O¡ Þ¼ŠHìˆ¬îŠ ªð£¼ˆ¶H‹ðˆF¡ Þ¼ŠH숬 «ï˜ H‹ðñ£ Ü™ô¶ î¬ôW› H‹ðñ£, ªñŒH‹ðñ£ Ü™ô¶ñ£òH‹ðñ£? ÝAò ñè¬÷»‹ ªîK‰¶ ªè£œ÷ô£‹. °N Ý®J¡ º‚Aò °MòˆFŸ°‹

õ¬÷¾ ¬ñòˆFŸ°‹ Þ¬ì«ò ªð£¼¬÷ ¬õ‚è‹ «ð£¶ î¬ôWö£ùŠ ªðKò ªñŒ H‹ð‹A¬ì‚Aø¶. °N Ý®J¡ õ¬÷¾ ¬ñòˆFŸ° ܊𣙠ªð£¼¬÷ ¬õ‚°‹ «ð£¶ î¬ôWö£ùCPò ªñŒH‹ð‹ A¬ì‚Aø¶. ªð£¼¬÷ °N Ý®J¡ º‚Aò °MòˆF™ ¬õ‚°‹ «ð£¶,ßK™ô£ˆ ªî£¬ôM™ ªð£¼¬÷Mì ªðKò î¬ôWö£ù ªñŒH‹ð‹ A¬ì‚Aø¶.

  °N Ý®J¡ ¬ñòˆFŸ°‹ º‚Aò °MòˆFŸ°‹ Þ¬ì«ò ªð£¼¬÷ ¬õ‚°‹ «ð£¶«ïó£ù ªðKò ñ£òH‹ð‹ A¬ì‚Aø¶. H‹ðˆ¬îˆ F¬óJ™ H®‚è º®‰î£™ ܶ ªñŒH‹ð‹.H‹ðˆ¬îˆ F¬óJ™ H®‚è ÞòôM™¬ô â¡ø£™ ܶ ñ£òH‹ð‹ â¡Á º®¾‚° õóô£‹.

Mù£‚èœ

1. ºè„êõó‹ ªêŒõ ã¡ °N Ý®èœ ðò¡ð´ˆîŠð´A¡øù?.

26

Page 35: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 35/110

Science Experimental Based Learning & Awareness Ver. 2.0

27. è‡í£®‚°œ å¼ ñ£ò‹ - 2

www.indiasudar.org

«ï£‚è‹

  °M Ý®J™ «î£¡Á‹ ñ£òH‹ðƒè¬÷Š ðŸP ÜPî™

«î¬õŠð´‹ ªð£¼†èœ

  å¼ °M Ý®, bŠªð†®, ªñ¿°õ˜ˆF, F¬ó, A

ªêŒº¬ø

  AJ™ ªð£¼ˆîŠð†ì å¼ °M Ý®¬ò «ñ¬êJ¡ æóˆF™ ¬õ»ƒèœ.ªñ¿°õ˜ˆF¬òˆ AJ™ àœ÷ °M Ý® àòóˆFŸ° ãŸð ãŸP ¬õ»ƒèœ. °M

Ý®‚° ܼA™ ªñ¿°õ˜ˆF¬ò GÁˆF ¬õ»ƒèœ. ªñ¿°õ˜ˆF‚°Š ð‚èˆF™ å¼F¬ó¬ò ¬õ»ƒèœ. ªñ¿°õ˜ˆFJ¡ H‹ðˆ¬îˆ F¬óJ™ H®ŠðîŸè£èˆ F¬ó¬òº¡Â‹ H¡Â‹ ï蘈¶ƒèœ. F¬ó¬ò âƒ«è ¬õˆî£½‹ G„êòñ£è H‹ð‹ ªîKò£¶.°M Ý®‚°œ 𣘂°‹ «ð£¶ H‹ðˆF¡ Ü÷¾ âŠð® Þ¼‚Aø¶ âùŠ 𣼃èœ.

  ÞŠ«ð£¶ °M Ý®JL¼‰¶ ªñ¿°õ˜ˆF¬ò„ êŸÁˆ ªî£¬ôM™ ¬õ»ƒèœ.ÞŠ«ð£¶ °M Ý®J™ ªñ¿°õ˜ˆF¬ò»‹, ²ìK¡ Ü÷¬õ»‹ 𣼃èœ. ܶ«ï˜H‹ðñ£? î¬ôW› H‹ðñ£? âùŠ 𣼃èœ.

  ªñ¿°õ˜ˆF¬ò «ñ¬êJ¡ æóˆF½‹ °M Ý®¬ò ñÁ æóˆF½‹ ¬õˆ¶«ê£î¬ù¬òˆ ªî£ì¼ƒèœ. ªñ¿°õ˜ˆF Þ¼‚°‹ â™ô£ G¬ôèO½‹ °M Ý®‚°œ

²ìK¡ H‹ð‹ «ïó£è¾‹, CPòî£è¾‹ ªîK»‹ Þ â¡ù è£óí‹?

M÷‚è‹

  °M Ý®J¡ º¡ å¼ ªð£¼œ ¬õ‚èŠð´‹ «ð£¶ ªð£¼O¡ Þ¼ŠH숬𣼈¶ «ï˜ H‹ðñ£ Ü™ô¶ î¬ôW› H‹ðñ£, ªñŒŠ H‹ðñ£ Ü™ô¶ ñ£òH‹ðñ£,ªð£¼¬÷ Mì„ CPò H‹ðñ£ Ü™ô¶ ªðKò H‹ðñ£ âùˆ ªîK‰¶ ªè£œ÷ô£‹.

  °M Ý® ¬ñòˆFŸ°‹ º‚Aò °MòˆFŸ°‹ õ¬÷¾ ¬ñòˆ¶‚°‹ Þ¬ì«ò¬õ‚°‹«ð£¶ «ïó£ù CPò ñ£òH‹ð‹ A¬ì‚Aø¶. õ¬÷¾ ÝóˆFŸ° Ü™ô¶ õ¬÷¾¬ñòˆFŸ° ªõO«ò ªð£¼¬÷ ¬õ‚°‹ «ð£¶ «ïó£ù, CPò ñ£òH‹ð‹ à¼õ£Aø¶.

«ê£î¬ùJ™ °M Ý®‚° ܼA½‹ êŸÁ îœO»‹, ÞÁFò£è «ñ¬êJ¡ æóˆF™ªñ¿°õ˜ˆF¬ò ¬õ‚°‹ «ð£¶ ªñ¿°õ˜ˆFJ¡ â™ô£ G¬ôèO½‹ Ü÷M™ CPò«ïó£ù ñ£ò H‹ðˆ¬î °M Ý®‚°œ ð£˜‚è º®Aø¶. ÞFL¼‰¶ ªð£¼¬÷ ⃫è¬õˆî£½‹ ⊫𣶋 Ü÷M™ CPò «ïó£ù ñ£ò H‹ð‹ A¬ì‚Aø¶.

Mù£‚èœ

1. õ£èùƒèO™ °M Ý® ªð£¼ˆîŠð†®¼Šð¶ ã¡?

2. Ý‹¹ô¡v õ£èùƒèO™ "AMBULANCE" â¡ø ªê£™ õôI¼‰¶ Þìñ£èâ¿îŠð†®¼Šð¶ ã¡?

27

Page 36: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 36/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªð£¼†èO¡ åOMôè™ â‡ ðŸP ÜP‰¶ ªè£œ÷™.

«î¬õŠð´‹ ªð£¼†èœ

  è£˜ð¡ ªì†«ó£ °«÷£¬ó´, ªð¡Y¡, Cô è‡í£®Š ªð£¼†èœ, å¼ L†ì˜è‡í£®Š d‚è˜ å¡Á, Þ´‚A å¡Á.

ªêŒº¬ø

  å¼ L†ì˜ ªè£œ÷÷¾ ªè£‡ì è‡í£®Š d‚è¬ó â´ˆ¶‚ ªè£œè. ÜF™ Cô

è‡í£® ªð£¼†è¬÷ «ð£ì «õ‡´‹. H¡ 490 IL è£˜ð¡ ªì†«ó£ °«÷£¬ó¬ì»‹,510 IL ªð¡Y¬ù»‹ «ê˜‚è «õ‡´‹. H¡¹ Þ´‚A¬òŠ ðò¡ð´ˆF‚ è‡í£®ªð£¼†è¬÷ â´‚è ºòŸC‚辋. â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

è£˜ð¡ ªì†«ó£ °«÷£¬ó¬ì»‹, ªð¡Y¬ù»‹ «ê˜ˆ¶ Þ‰î G¬ôJ™ ñ†´«ñ𣘬õò£÷˜èÀ‚°Š d‚è¬ó 裇H‚è «õ‡´‹. ªõOJ™ Þ¼‰¶ 裇ðõ˜èÀ‚°d‚èK™ ⶾ‹ Þ¼Šð¶ «ð£™ ªîKò£¶. ‹ d‚èK™ 㶋 Þ™¬ô â¡Á Ãø«õ‡´‹. Üî¡ H¡ Þ‰î d‚èK™ Þ¼‰¶ Cô ªð£¼†è¬÷ â´‚è «ð£A«ø¡ â¡Á ÃPº¡¹  «ð£†´ ¬õˆF¼‰î è‡í£®Š ªð£¼†è¬÷ å¡ø¡ H¡ å¡ø£è ªõO«ò

â´‚è «õ‡´‹.

  ªð¡Y¡ ñŸÁ‹ è£˜ð¡ ªì†«ó£ °«÷£¬ó¬ì «ñŸÃPò MAîˆF™ èô‰î£™èô¬õJ¡ åO Môè™ â‡µ‹ è‡í£®J¡ åO Môè™ â‡µ‹ å«ó ñFŠ¹à¬ìòî£è Þ¼‚°‹. Üîù£™ è‡í£®Š ªð£¼†èœ 臵‚°ˆ ªîKõF™¬ô.Þ´‚A¬ò ¬õˆ¶ â´‚°‹ «ð£¶ ñ†´«ñ è‡í£® «ð£¡ø ªð£¼†èO¡ êŠî‹ «è†°‹.Ýù£™ 㶋 Þ™ô£î¶ «ð£™ 裆CòO‚°‹.

Mù£‚èœ

1. ê£î£óí‚ è‡í£®‚ d‚èK™ è‡í£®Š ªð£¼†èœ ã¡ ªîKA¡øù?

2. ªð¡Y¡, è£˜ð¡ ªì†«ó£ °«÷£¬ó´ è¬óêL™ è‡í£®Š ªð£¼†èœ 㡪îKõF™¬ô?

28. ªõÁ‹ ð£ˆFóˆF™ è‡í£®Š ªð£¼†èœ

www.indiasudar.org28

Page 37: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 37/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  åL ÜF˜¾èœ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  ªðKò ¹ù™, ªðKòðÖ¡, ªê™«ô£«ìŠ, CPò êñî÷ Ý®, «ôê˜ ¬ô†, èˆîK‚«è£™,ÞóŠð˜, Aèœ 2.

ªêŒº¬ø

  ðÖ¬ùŠ ¹ùL¡ Üè¡ø ¹øˆF¬ù ܬ산ñ£Á ªê™«ô£«ìŠ ªè£‡´ å†ì¾‹.

Þ¿ˆ¶ å†ìŠð†ì ðÖQ¡ ï´Šð°FJ™ êñî÷ Ý®¬ò å†ì¾‹. Þ‰î ܬñŠH¬ùå¼ î£ƒAJ™ ªð£¼ˆî¾‹. H¡ «ôê˜ è¼M¬ò ñŸªø£¼ AJ™ ªð£¼ˆF, «ôê˜åO¬ò„ êñî÷ Ý®J¡ «ñ™ 裇Hˆ¶ Üî¡ H‹ð‹ ²õŸP™ ð´ñ£Á ªêŒò¾‹. H¡ù˜¹ùL¡ °Áèô£ùŠ ð°F¬ò õ£J¡ ܼA™ ¬õˆ¶ ã«î‹ êˆîñ£è «ð꾋. H¡ù˜¹ùL¡ õ£ŒŠð°FJ™ ðôñ£è á.

M÷‚è‹

  cƒèœ «ð²‹ «ð£¶ àƒèœ õ£J¡ ªõOJ½‹, ¹ù½‚°œ«÷»‹ Þ¼‚°‹ 裟P¡Íô‚ÃÁèœ º¡Â‹ H¡Âñ£è ÜF˜A¡øù. ðÖ‹ ÜF˜Aø¶. Þîù£™ ðÖQ¡e¶ å†ìŠð†ì Ý®»‹ ÜF˜õ ²õŸP¡ e¶ M¿‹ C芹Š¹œO»‹ Þì‹ñ£ÁAø¶.

ï‹ «ð„C¡ ܬôõK¬êŠ ¹œO ï輋 «õèˆ¬îˆ b˜ñ£Q‚Aø¶. ñQî °óL¡Ü¬ôõK¬ê ²ñ£˜ 85 ºî™ 255Hz Ýè Þ¼Šð ¹œO Mù£®‚° 85 ºî™ 255 îì¬õ‚°«ñ™ ܃°‹ Þƒ°‹ ïè˜A¡ø¶. Üšõ÷¾ «õèñ£è ïè¼õ H‹ð‹ ¹œOò£èˆªîKò£ñ™ ã«î£ à¼õ‹ «ð£™ ªîKAø¶.

Mù£‚èœ

1. åL ÜF˜¾èœ â¡ø£™ â¡ù?

29. Lê£üv ðìƒèœ

www.indiasudar.org   29

Page 38: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 38/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  åL ðó¾‹ º¬ø ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  Þó‡´ «ðŠð˜ èŠ, c÷ñ£ù Ë™, èˆîK‚«è£™.

ªêŒº¬ø

  Þó‡´ «ðŠð˜ 芬𻋠ðìˆF™ àœ÷¶ «ð£™Ëô£™ Þ¬í‚辋. Þî¬ù Þó‡´ ïð˜è¬÷

ܬöˆ¶ Þ¼õ¬ó»‹ 嚪õ£¼ 芬ð H®ˆ¶‚ªè£œ÷„ ªê£™ô¾‹. Þ‰G¬ôJ™ Ë™ M¬óŠð£èÞ¼‚è «õ‡´‹. H¡ù˜, å¼õ¬ó «ð꾋,ñŸªø£¼õ¬ó‚ «è†è¾‹ ªê£™ô¾‹. H¡ù˜ ºî™ïð¬ó‚ «è†è¾‹, Þó‡ì£õ¶ ïð¬óŠ «ð꾋ªê£™ô¾‹. H¡ù˜ ªõÁ‹ ˬô ñ†´‹ðò¡ð´ˆF Þ«î «ð£¡Á «ðê ºòŸC‚辋.

M÷‚è‹

  cƒèœ «ð²‹ «ð£¶ «ðŠð˜ èŠH¡ àœ«÷ Þ¼‚°‹ 裟P¡ Íô‚ÃÁèœ º¡Â‹

H¡Âñ£è ÜF˜A¡øù. Þîù£™ «ðŠð˜ 芹‹ ÜF˜¾ŸÁ, ËL¡ õNò£è ÜF˜¾èœâ´ˆ¶„ ªê™ôŠð´Aø¶. ñÁº¬ùJ™ àœ÷ èŠH¡ Ü®Šð‚è‹ õ¬ó ÜF˜¾èìˆîŠð´‹. ñÁð‚è‹ àœ÷ èŠH¡ àœ«÷ àœ÷ 裟Á‹ ÜF˜õ¬ì»‹. Þ‰î ÜF˜¾èœ«è†°‹ ïðK¡ 裶 õ¬ó‚ èìˆîŠð´‹. Þîù£™ ñÁº¬ùJ™ ªîOõ£è‚ «è†°‹.

  «ðŠð˜ èŠ Þ™ô£ñ™ ªõÁ‹ ˬô ñ†´‹ ðò¡ð´ˆ¶‹ «ð£¶, ÜF˜¾èœ èìˆîŠð´‹iî‹ °¬øõ£è àœ÷, ªîOõ£è‚ «è†è º®õF™¬ô.

Mù£‚èœ

1. åL ÜF˜¾èœ â¡ø£™ â¡ù?

2. Þ‰î ܬñŠH™ ˽‚°Š ðFô£è †ÎŠ 塬ø ðò¡ð´ˆ¶‹ªð£¿¶ ޡ‹ªîOõ£è¾‹, êˆîñ£è¾‹ «è†°‹. ã¡?

3. ÜFè‹ è£ŸÁ i²‹«ð£¶ ªê™«ð£¡ Íô‹ ï‹ñ£™ ªîOõ£è‚ «è†è º®õF™¬ôã¡?

30. ªî£¬ô«ðC

www.indiasudar.org30

Page 39: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 39/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  åLJ¡ ÜF˜¬õŠ ðŸP ÜPî™

«î¬õŠð´‹ ªð£¼†èœ

  H÷£v®‚ Ü÷¾«è£™ CPò¶, ªè†®ò£ù Ë™, áC, ªñ¿°õ˜ˆF,bŠªð†®

ªêŒº¬ø

  ºîL™ áC¬ò ªñ¿°õ˜ˆFJ¡ àîMò£™ ªõŠðŠð´ˆF

Ü÷¾«è£L¡ å¼ º¬ùJ™ ¶¬÷J†´ ÜF™ ˬô‚ ªè£‡´è†®Mì «õ‡´‹. Hø° Ü÷¾«è£¬ô «õèñ£è 裟P¡ á«ì ²Ÿø«õ‡´‹. ÞŠªð£¿¶ â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  Ü÷¾«è£¬ô„ ²ŸÁ‹ «ð£¶ "M˜˜˜" â¡ø åL à‡ì£õ¬î‚ «è†è º®Aø¶.Ü÷¾«è£¬ô‚ 裟P¡ á«ì ²ŸÁ‹ «ð£¶ Ü÷¾«è£L¡ ð†¬ìò£ùŠ ð°F 裟P¡ e¶à󣌬õ ãŸð´ˆ¶Aø¶. Þîù£™ 裟P¡ Íô‚ÃÁèœ ÜF˜õ¬ì‰¶ å¼ °PŠH†ìÜF˜ªõ‡¬í (²ó‹) ܬìõ åL à‡ì£Aø¶.

Mù£‚èœ1. õ£Û˜Fèœ àò«ó ªê¡ø H¡¹‹ Üî¡ åLò£ù¶ ï‹ è£¬î õ‰î¬ìAø¶. ã¡?

31. åL â¿Š¹‹ Ü÷¾«è£™

www.indiasudar.org   31

Page 40: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 40/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  cK¡ ðóŠ¹ Þ¿M¬êŠ ðŸP ÜP‰¶ ªè£œ÷™.

«î¬õŠð´‹ ªð£¼†èœ

  õ£òè¡ø ð£ˆFó‹, áC, H÷£†®ƒ «ðŠð˜ ñŸÁ‹ c˜.

ªêŒº¬ø

  õ£òè¡øŠ ð£ˆFóˆ¬î â´ˆ¶‚ ªè£‡´ Üî¬ù º¿õ¶‹có£™ GóŠ¹. áC¬ò â´ˆ¶ Üî¬ùŠ 𴂬èõêˆF™ cK¡

«ñŸðóŠH™ Iî‚èMì ºòŸC ªêŒ. áC Iî‚Aøî£ âù èõQ.áC cKÂœ Í›A M´Aø¶. ÞŠ«ð£¶ áC¬ò â´ˆ¶ ï¡°¶¬ìˆ¶‚ ªè£œ÷¾‹. H¡ù˜ H÷£†®ƒ «ðŠð¬ó cK¡«ñŸðóŠH™ Iî‚èM†´, Üî¡ «ñ™ áC¬ò èõùñ£èA¬ìñ†ìñ£è ¬õ‚辋. CP¶ «ïóˆF™ H÷£†®ƒ «ðŠð˜º¿õ¶‹ ï¬ù‰¶ î‡a¼‚°œ Í›A M´‹. ÞŠ«ð£¶Gè›õ¬î‚ èõQ‚辋.

M÷‚è‹

  cK¡ «ñŸðóŠ¹ ªñ™Lò ðìô‹ «ð£™ ªêò™ ð´õ¬î ðóŠ¹ Þ¿M¬ê â¡A«ø£‹.

cK™ àœ÷ Íô‚ÃÁèO¡ 塬ø å¡Á èõ¼‹ ê‚Fò£™ cK¡ «ñŸðóŠH™ àœ÷Íô‚ÃÁèœ c˜Šð󊹂°‚ W«ö àœ÷ Íô‚ÃÁè¬÷ Mì I辋 ªï¼‚èñ£è àœ÷¶.Þ„ê‚Fò£ù¶ áC¬ò Í›èMì£ñ™ ð£¶è£‚Aø¶. Þ„ªêò™ð£†®ù£™î£¡ CPòÌ„Cèœ c˜ŠðóŠH¡ «ñ™ ïì‚A¡øù.

Mù£‚èœ

1. ðóŠ¹ Þ¿M¬ê â¡ø£™ â¡ù?

2. áC¬ò Iî‚èMì H÷£†®ƒ «ðŠð˜ ðò¡ð´ˆ¶õ¶ ã¡?

3. å¼ ÉK¬è¬ò c¼‚°œ M´‹ «ð£¶ º¬ùJ™ àœ÷ Þ¬öèœ c¼‚°œ MKõ¶‹

ªõO«ò â´‚°‹ ªð£¿¶ Üî¡ Þ¬öèœ Ü¼è¼«è Üñ˜‰¶ å¡Áì¡ å¡Á 冮‚ªè£œõ¶‹ ã¡?

32. Iî‚°‹ áC

www.indiasudar.org32

Page 41: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 41/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

cK¡ ðóŠ¹ Þ¿M¬êŠ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

H÷£v®‚ «ì£‚è¡èœ 30, è‡í£® ì‹÷˜, c˜.

ªêŒº¬ø

è‡í£® â´ˆ¶, Üî¡ MO‹¹ õ¬ó có£™GóŠð¾‹. H¡ù˜ H÷£v®‚ 裲è¬÷

c÷õ£‚A™ å¡ø¡H¡ å¡ø£è c¼‚°œÞ쾋. î‡a˜ W«ö C‰î£ñ™ èõùñ£è裲è¬÷Š «ð£ì¾‹. 20 裲è¬÷Š «ð£†ìH¡â¡ù Gè›Aø¶ â¡ð¬î‚ èõQˆ¶‚ªè£‡«ì ܬùˆ¶‚ 裲è¬÷»‹ ì‹÷K¡àœ«÷ «ð£ì¾‹.

M÷‚è‹

  20 ºî™ 25 裲è¬÷Š «ð£´‹ õ¬ó è‡í£® ì‹÷KL¼‰¶ c˜ W«ö M¿õF™¬ô.«ñ½‹ î‡aK¡ «ñ™ðóŠ¹ °Mªô¡¬êŠ «ð£¡Á êŸÁ «ñì£èˆ ªîK»‹. cK¡

Íô‚ÃÁèœ å¡Áì¡ å¡Á ެ퉶 cK¡ «ñŸðóŠH™ ãŸð´ˆ¶‹ õ¬ô «ð£¡øªïA¿‹ ñ»¬ìò ܬñŠ«ð “ðóŠ¹ Þ¿M¬ê” âùŠð´‹. ÞŠð‡H¡ è£óíñ£è‚°PŠH†ì Ü÷¾ 裲è¬÷Š «ð£´‹ õ¬ó î‡a˜ «ñ«ô õ‰î£½‹, ªõO«ò C‰î£ñ™Üî¡ «ñŸðóŠ¹ õ¬÷‰¶ è£íŠð´Aø¶. Ü «ñ™ 裲è¬÷Š «ð£´‹ «ð£¶ÞŠH¬íŠ¹ à¬ì‰¶ î‡a˜ W«ö C‰F M´Aø¶.

Mù£‚èœ

1. «ì£‚è¡ â¬ì °¬øõ£è Þ¼Šð î‡a˜ W«ö C‰îM™¬ôò£?

2. ì‹÷K™ c˜ «ñ«ôÁ‹ «ð£¶ cK¡ «ñŸðóŠ¹ °M‰¶‚ è£íŠð´õ¶ ã¡?

3. c˜ŠðóŠH¡ e¶ âÁ‹¹, c˜Cô‰F «ð£¡ø¬õ ïìŠð¬îŠ 𣘈F¼‚Al˜è÷£?

33. âˆî¬ù ï£íòƒèœ «ð£ìô£‹?

www.indiasudar.org   33

Page 42: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 42/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  c˜ Íô‚ÃÁèœ ß˜Š¹ M¬ê¬ò»‹, ðóŠ¹ Þ¿M¬ê¬ò»‹ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  è‡í£®Š 𣆮™ Í®»ì¡, ªè£² õ¬ô, ð™°ˆ¶‹ °„C.

ªêŒº¬ø

  Í®J¡ «ñ™ð£èˆ¬î õ†ì õ®M™ ªõ†®â´ˆ¶Mì «õ‡´‹. Hø° ªè£² õ¬ô¬ò 𣆮L¡

õ£ŒŠð°FJ™ ÞÁ‚èñ£è ¬õˆ¶ Í®¬ò‚ ªè£‡´ Í®Mì «õ‡´‹. 𣆮L¡ «ñŸð°FJ™ ªè£²õ¬ôõNò£è c¬ó áŸø «õ‡´‹. 𣆮™ Gó‹Hò Hø°,𣆮L¡ õ£ŒŠð°F¬ò‚ ¬èJ™ ܬ숶‚ ªè£‡´î¬ôWö£è‚ èM›ˆ¶Š H®‚è «õ‡´‹. ÞŠªð£¿¶¬è¬ò Í®J™ Þ¼‰¶ â´ˆ¶‹ c˜ ªõO«òø£ñ™Þ¼Šð¬î‚ è£íô£‹.

  ÞŠªð£¿¶ ð™°ˆ¶‹ °„C¬ò‚ ªè£² õ¬ôJ¡ Ü®Šð£èˆF¡ õNò£è àœ«÷ªê½ˆî «õ‡´‹. ÞŠªð£¿¶‹ î‡a˜ ªõO«òø£ñ™ Þ¼Šð¬î‚ è£íô£‹.

M÷‚è‹

  cK¡ «ñŸðóŠH™ (c¼‹ 裟Á‹ ê‰F‚°‹ ÞìˆF™) cK¡ Íô‚ÃÁèœ å¡Áì¡å¡Á ެ퉶 cK¡ «ñŸðóŠH™ ãŸð´ˆ¶‹ õ¬ô «ð£¡ø ªïA¿‹ ñ»¬ìòܬñŠ«ð “ðóŠ¹ Þ¿M¬ê” âùŠð´‹. ÞšM¬êJù£™ có£ù¶ ªõO«òøM™¬ô.°„C¬ò„ ªê½ˆ¶‹ «ð£¶‹ ðóŠ¹ Þ¿M¬ê à¬ìò£î có£ù¶ ªõO«òøM™¬ô.

Mù£‚èœ

1. c˜„Cô‰F â¡Â‹ Ì„Cò£ù¶ cK™ Í›è£ñ™ cK¡ «ñŸðóŠH™ ï쉶„ ªê™õ¶âîù£™?

34. «ñT‚ 𣆮™

www.indiasudar.org34

Page 43: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 43/110

«ï£‚è‹

  ðóŠ¹ Þ¿M¬ê ñŸÁ‹ 裟ø¿ˆî‹ ðŸP ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  Þó‡´ è£Lò£ùˆ î‡a˜ 𣆮™èœ Í®»ì¡, H÷£v®‚ 冴‹ ð¬ê.

ªêŒº¬ø

  ºîL™ Þó‡´ ð£†®™èO¡ Í®èO¡ «ñŸð°F¬òŠ H÷£v®‚ 冴‹ð¬êJ¡ àîMò£™ 冮, ï´M™ å¼ ¶¬÷ Þ쾋. å¼ ð£†®L™ î‡a¬ó

GóŠH, ñŸªø£¼ è£Lò£ùŠ 𣆮¬ô»‹ â´ˆ¶‚ ªè£‡´, 冮¶¬÷JìŠð†ì Í®ò£™ Þó‡´ ð£†®™è¬÷»‹ Þ¬í‚辋. H¡ù˜ î‡a˜àœ÷ 𣆮™ «ñ«ô»‹ è£Lò£ùŠ 𣆮™ W«ö»‹ Þ¼‚°ñ£Á 𣆮™è¬÷«ïó£è GÁˆî¾‹. «ñ«ô àœ÷ 𣆮L™ Þ¼‰¶ î‡a˜ W«ö àœ÷ 𣆮L™M¿Aøî£ âù èõQ‚辋. Üšõ£Á MöM™¬ô âQ™ «ñ«ô àœ÷ 𣆮¬ôï¡ø£è„ ²öŸø¾‹. ÞŠ«ð£¶ â¡ù Gè›Aø¶ â¡ð¬î àŸÁ‚ èõQ‚辋.

M÷‚è‹

  ºîL™ î‡a˜ W«ö àœ÷ 𣆮LŸ° õ¼õF™¬ô. «ñ«ô àœ÷ 𣆮¬ôܬꂰ‹ «ð£¶. «ñ«ô àœ÷ 𣆮LL¼‰¶ˆ î‡a˜ ²ö™ «ð£™ W«ö àœ÷ 𣆮LŸ°

õ¼Aø¶.

  «ñ«ô àœ÷ 𣆮L™ àœ÷ c˜ W› «ï£‚Aò Ü¿ˆîˆ¬î‚ ªè£´‚Aø¶. W«ö àœ÷𣆮L™ àœ÷ 裟ø£ù¶ «ñ™ «ï£‚Aò Ü¿ˆîˆ¬î‚ ªè£´‚Aø¶. 裟P¡ Ü¿ˆî‹ÜFèñ£è àœ÷ î‡aó£™ W«ö õó ÞòôM™¬ô. «ñ½‹ Í®J¡ ¶¬÷ I辋CPî£è àœ÷ c˜ Íô‚ÃÁèœ ðóŠ¹ Þ¿M¬ê â¡Â‹ ªêò™ð£†®ù£™ å¡Áì¡å¡Á 冮‚ ªè£‡´ å¼ ªñ™Lò êš¾ «ð£¡ø ðìôˆ¬î à¼õ£‚A c˜ W«öõóMì£ñ™ î´‚Aø¶.  𣆮¬ô ܬꂰ‹ «ð£¶, ¶¬÷J¡ å¼ MO‹¹ õNò£è‚W«ö àœ÷ 裟Á «ñ«ô àœ÷ 𣆮½‚°œ ªê™½‹ «ïóˆF™, ¶¬÷J¡ ñŸªø£¼MO‹¹ õNò£è «ñ«ô àœ÷ c˜ W«ö õ¼Aø¶. Þîù£™ î‡a˜ ²ö™ «ð£¡Á W«ö

Þøƒ°Aø¶.

Mù£‚èœ

1. Í®J™ ¶¬÷ Þ¼‰¶‹ î‡a˜ ã¡ W«ö C‰îM™¬ô?

2. ðóŠ¹ Þ¿M¬ê â¡ø£™ â¡ù?

3. î‡a˜ ²ö™ «ð£™ M¿õ¶ ã¡?

Science Experimental Based Learning & Awareness Ver. 2.0

35. c˜„²ö™

www.indiasudar.org   35

Page 44: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 44/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  cK¡ ðóŠ¹ Þ¿M¬êJ¡ ªêò™ð£´è¬÷ ÜP‰¶ ªè£œ÷™.

«î¬õŠð´‹ ªð£¼†èœ

  è‡í£® ì‹÷˜, CPò H÷£v®‚ ð‰¶ Ü™ô¶ 裘‚, c˜.

ªêŒº¬ø

  è‡í£® ì‹÷¬ó â´ˆ¶‚ ªè£‡´, Üî¡ MO‹¹ õ¬ó c¬óGóŠð¾‹. ¬ñòŠð°FJ™ 裘‚ Ü™ô¶ H÷£v®‚ ð‰¬î Iî‚è

M쾋. ÞŠªð£¿¶, ð‰¶ Ü™ô¶ 裘‚A¡ ªêò™ð£†¬ì‚èõQ‚辋. H¡ù˜ Þƒ‚ çH™ô¬ó‚ ªè£‡´, ¬ñòŠð°FJ™c¬ó„ ªê£†´ ªê£†ì£è M쾋. c¬ó M´‹«ð£¶ â¡ùGè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  ì‹÷K¡ MO‹¹ õ¬ó c¬ó â´ˆ¶‚ ªè£‡´ ÜF™ 裘‚¬èIî‚è M´‹«ð£¶, CP¶ «ïóˆF™ 裘‚è£ù£¶ ì‹÷K¡MO‹¬ð 冮 Iî‚è Ýó‹H‚Aø¶. Þƒ‚ çH™ô¬ó‚ ªè£‡´°PŠH†ì Ü÷¾ c¬ó„ «ê˜ˆî¾ì¡ 裘‚è£ù£¶ ì‹÷K¡

¬ñòŠð°F¬ò «ï£‚A õ‰¶ Iî‚è Ýó‹H‚Aø¶.

  ê£î£óíñ£è có£ù¶ ì‹÷K¡ MO‹¹‚° W«ö (ð£Fò÷¾) àœ÷ «ð£¶ (W›H¬øî÷‹)ðóŠ¹ Þ¿M¬êò£ù¶ ì‹÷K¡ æóƒèO™ ÜFèñ£è Þ¼‚°‹. «ñ½‹ c¬ó„ «ê˜‚°‹«ð£¶ cK¡ ¬ñòˆF™ («ñ™H¬øî÷‹) ðóŠ¹ Þ¿M¬ê ÜFèñ£è Þ¼Šðîù£™ 裘‚¬ñòˆ¬î «ï£‚A ïè˜Aø¶.

°PŠ¹

  W›H¬øî÷‹ - ì‹÷K¡ ð£Fò÷¾ c˜ àœ÷ «ð£¶ à¼õ£°‹ °N‰î ðóŠ¹

«ñ™H¬øî÷‹ - c˜ ì‹÷˜ MO‹¹‚° «ñ™ àœ÷ «ð£¶ à¼õ£°‹ °M‰î ðóŠ¹

Mù£‚èœ

1. ì‹÷K™ c¬ó„ «ê˜‚°‹ «ð£¶ 裘‚è£ù¶ ï´M™ õ¼õ¶ ã¡?

36. ñˆFJ™ 裘‚¬è Iî‚èM´î™

www.indiasudar.org36

Page 45: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 45/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  cK¡ ðóŠ¹ Þ¿M¬êJ¡ ê‚F¬òŠ ðŸP ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  Üèôñ£ù  Þó‡´, ªñ™Lò b‚°„Cèœ, CPò «ê£Š¹ˆ¶‡´ ñŸÁ‹ ¶EJ™è†®ò YQŠªð£†ìô‹.

ªêŒº¬ø

  Üèôñ£ù ™ c¬ó GóŠH, ÜF™ Þ¼ b‚°„Cè¬÷ å¡Á‚ªè£¡Á Þ¬íò£è

Iî‚è M쾋. «ê£Š¹ˆ¶‡ì£™ Þ¼°„CèÀ‚° Þ¬ì«ò c¬óˆ ªî£†´‚ªè£‡«ìÞ¼‰¶ â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋. ñŸªø£¼ ™ î‡a¬ó GóŠH, ÜFèÞ¬ìªõO»ì¡ b‚°„Cè¬÷ Iî‚è M†´, Þ¬ìJ™ YQŠªð£†ìôˆ¬î cK™ ï¬ùˆ¶Gè›õ¬î‚ èõQ‚辋.

M÷‚è‹

  «ê£ŠHŸ°Š ðóŠ¹ Þ¿M¬ê¬ò‚ °¬ø‚°‹ ð‡¹ à‡´. Üîù£™ «ê£Šð£™ ªî£†ìÞìˆF™ ðóŠ¹ Þ¿M¬ê‚ °¬øAø¶. ñŸø ÞìƒèO™ ðóŠ¹ Þ¿M¬ê ⊫𣶋 «ð£™àœ÷ ðóŠ¹ Þ¿M¬ê ÜFèñ£è Þ¼‚°‹ F¬ê «ï£‚A‚ °„Cèœ ïè¼A¡øù. ޶𣘊ð °„Cèœ ðò‰«î£´õ¶ «ð£™ «î£¡ÁAø¶. «ñ½‹ cK¬ù ñ£Ÿø£ñ™ Þ¼

°„Cè¬÷ Iî‚è M†´ «ê£ŠH¬ù ¬õ‚°‹ «ð£¶, °„Cèœ Môè£ñ™ Þ¼Šð¬î‚è£íô£‹. ãªùQ™ «ê£ŠH¡ ªñ™Lò ðìô‹ cK™ ð옉¶ Þ¼Šð, °„Cèœ «ê£Š¹ŠðìôˆF¡ e¶ Iî‚Aø¶. Þîù£™ °„CèÀ‚°‹ c¼‚°‹ Þ¬ì«ò àœ÷ ªî£ì˜¹¶‡®‚èŠð´õ °„Cèœ ªõO«ò ªê™ô£ñ™ GŸA¡øù.

ñŸªø£¼ ™ YQ¬ò cK™ ï¬ù‚°‹ «ð£¶, YQJ¡ Íô‚ÃÁèœ cK™ è¬ó‰¶cK¡ ðóŠ¹ Þ¿M¬ê¬ò ÜFèŠð´ˆ¶A¡øù. âù«õ YQ è¬ó‚èŠð†ì ð°F¬ò«ï£‚A °„Cèœ õ¼A¡øù.

Mù£‚èœ

1. b‚°„CèÀ‚° ï´M™ «ê£Š¬ð ¬õ‚°‹ «ð£¶ b‚°„Cèœ ã¡ Mô°A¡øù?2. «ê£Š¬ð ÜFè «ïó‹ cK™ ï¬ù‚°‹ «ð£¶ b‚°„Cèœ Môè£ñ™ Þ¼Šð¶ ã¡?

3. YQ¬ò cK™ ï¬ù‚°‹ «ð£¶ MôA„ªê¡ø b‚°„Cèœ å†®‚ªè£œõ¶ ã¡?

37. ðò‰«î£´‹ °„CèÀ‹ å¡Á «ê¼‹ °„CèÀ‹

www.indiasudar.org   37

Page 46: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 46/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªõš«õÁ õ¬èò£ù Íô‚ÃÁèÀ‚° Þ¬ì«òò£ù ߘŠ¹ M¬ê¬ò ÜPò„ ªêŒî™.

«î¬õŠð´‹ ªð£¼†èœ

  Þó‡´ ªêšõè‚ è‡í£®ˆ îè´èœ, c˜.

ªêŒº¬ø

  Þó‡´ ªêšõè‚ è‡í£®ˆ îè´è¬÷ â´ˆ¶‚ ªè£œ÷¾‹. Þó‡´ îè´è¬÷»‹å¡ø¡«ñ™ å¡ø£è ¬õ‚辋. W› î膬ì å¼ ¬èò£™ H®ˆ¶‚ ªè£‡´ ñŸªø£¼

îè†¬ì «ñ«ô ɂ辋.  H¡ù˜, Ü®J™ àœ÷ î膮™ CPî÷¾ c¬ó áŸP, ñŸªø£¼ î膬ì Üî¡ «ñ™¬õˆ¶ «îŒ‚辋. ÞŠ«ð£¶ è‡í£®ˆ îè´è¬÷Š HK‚è ºòŸC‚辋. â¡ù Gè›Aø¶â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  ºîL™ Þó‡´ è‡í£®ˆ îè´è¬÷ å¡ø¡ e¶ å¡ø£è ¬õ‚°‹ «ð£¶Þó‡¬ì»‹ âOî£èŠ HK‚è º®‰î¶. ãªùQ™ Þó‡´ è‡í£®ˆ ¶‡´èÀ‚°‹Þ¬ì«ò»‹, ªõOŠ¹øˆF½‹ 裟Á Þ¼‰î âOî£èŠ HKˆ¶ Mìô£‹.

  Ýù£™, Þó‡´‚°‹ Þ¬ìJ™ î‡a˜ M†´ Þó‡´ îè´è¬÷»‹ º¡Â‹ H¡Â‹«îŒ‚辋. ÞŠ«ð£¶ è‡í£®ˆ îè´èÀ‚A¬ìJ™ c˜ Íô‚ÃÁèœ ðó¾õ¬î‚è£íô£‹. Íô‚ÃÁèÀ‚A¬ì«ò ªêò™ð´‹ ߘŠ¹ M¬ê â¡Â‹ ð‡Hù£™ c˜Íô‚ÃÁèœ è‡í£® Íô‚ÃÁè¬÷„ ªêé°ˆî£è ߘ‚Aø¶. Þ‰î ߘŠ¹ M¬êò£ù¶ï£‹ ªè£´‚°‹ Þ¿M¬ê¬ò Mì ÜFèñ£è Þ¼Šð è‡í£®ˆ îè´è¬÷Š HKŠð¶è®ùñ£è àœ÷¶.

Mù£‚èœ

1. Þó‡´ è‡í£®ˆ îè´èÀ‚° Þ¬ìJ™ â¡ù àœ÷¶?

2. è‡í£®ˆ îè´èÀ‚° Þ¬ìJ™ î‡a˜ àœ÷ «ð£¶ ÜõŸ¬ø ã¡ HK‚躮õF™¬ô?

3. è‡í£®ˆ îè´èÀ‚A¬ìJ™ ð£îóêˆ¬î ¬õˆî£™ è‡í£®ˆ îè´¬÷Š HK‚è

Þò½ñ£ ?

38. HK‚è º®ò£î è‡í£®ˆ îè´èœ

www.indiasudar.org38

Page 47: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 47/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªð£¼†èO¡ Ü예F ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  H÷£v®‚ î‡a˜ 𣆮™, ñ‡ªí‡ªíŒ, c˜, CPò H÷£v®‚ ªð£¼†èœ, Þ¼‹¹°‡´èœ, ï£çŠîh¡ ༇¬ìèœ.

ªêŒº¬ø

  ºîL™ 𣆮L™ c¬ó GóŠð «õ‡´‹. H¡

ÜîÂœ ñ‡ªí‡ªíŒ¬ò GóŠð¾‹. Hø°H÷£v®‚ ªð£¼†èœ, Þ¼‹¹ °‡´èœ ñŸÁ‹ï£çŠîh¡ ༇¬ìè¬÷ Þ†´ 𣆮¬ôÞÁ‚èñ£è Í® M쾋. H¡ù˜ 𣆮¬ô ï¡°°½‚A, c˜ ñŸÁ‹ ñ‡ªí‡ªíŒ Þ¬õÞó‡¬ì»‹ ï¡° èô‚è ºòŸC‚辋. H¡ù˜«ñ¬êJ¡ e¶ ¬õˆ¶ 𣆮L¡ à†¹øˆ¬îàŸÁ‚ èõQ‚辋.

M÷‚è‹

   â´ˆ¶‚ ªè£‡ì ܬùˆ¶ ªð£¼†èÀ‚°‹ Ü예F àœ÷¶. ÞF™ Þ¼‹¹ñŸÁ‹ cK¡ Ü예F ÜFè‹ àœ÷, ܬõ â™ô£‹ 𣆮L¡ Ü®J™ Aø¶.ñ‡ªí‡ªíŒ ñŸÁ‹ H÷£v®‚ ªð£¼†èO¡ Ü예F °¬øõ£è àœ÷, ܬõ«ñ«ô Aø¶.

Mù£‚èœ

1. 𣆮L™ ° ªð£¼†èÀ‹ îQˆîQ«ò ªîKò‚ è£óí‹ â¡ù?

2. cK™ å¼ °‡¬ì»‹ è¬ò»‹ «ð£´‹ «ð£¶ °‡´ Í›°õ¶‹, è IîŠð¶‹ã¡?

3. cK™ å¼ °‡¬ì»‹ è¬ò»‹ «ð£´‹ «ð£¶ °‡´ Í›°õ¶‹, è IîŠð¶‹ã¡?

39. ªð£¼†èO¡ Ü예F

www.indiasudar.org   39

Page 48: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 48/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  FóõƒèO¡ Ü예F ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  ªè£F °ö£Œ, c˜, M÷‚ªè‡ªíŒ, ñ‡ªí‡ªíŒ

ªêŒº¬ø

  º î L ™ å ¼ ª è £ F ° ö £ J  œ C P î ÷ ¾ñ‡ªí‡ªíŒ «ê˜‚è «õ‡´‹. H¡¹ °ö£J™ CPî÷¾M÷‚ªè‡ªíŒ¬ò ªñ¶õ£è áŸø «õ‡´‹. H¡¹,

CP¶ c¬ó â´ˆ¶ °ö£JÂœ ªñ¶õ£è áŸø «õ‡´‹.Í¡Á FóõƒèÀ‹ 塪ø£ªì£¡Á èô‚è£ñ™îQˆîQ«ò HK‰¶ Þ¼Šð¬î‚ è£íô£‹.

M÷‚è‹

  c˜, ñ‡ªí‡ªíŒ ñŸÁ‹ M÷‚ªè‡ªíŒ ÝAò Í¡Á‹ FóõŠ ªð£¼†è÷£èÞ¼‰î «ð£F½‹, Þ‹Í¡Á FóõƒèO¡ Ü예F»‹ å«ó Ü÷õ£è Þ¼ŠðF™¬ô. âù«õÜ예F ñ£Á𣴠ªè£‡ì Í¡Á FóõƒèÀ‹ 塪ø£ªì£¡Á èôŠðF™¬ô.

  có£ù¶ ñ‡ªí‡ªíŒ ñŸÁ‹ M÷‚ªè‡ªí¬ò Mì I°‰î Ü예F à¬ìò£î

Þ¼Šð °ö£J¡ Ü®J™ ªê¡Á M´A¡ø¶. M÷‚ªè‡ªíŒò£ù¶ c¬ó MìÜ예F °¬ø‰îî£è¾‹ ñ‡ªí‡ªí¬ò Mì Ü예F ÜFèñ£ùî£è¾‹ Þ¼Šðîù£™Þó‡´ FóõƒèÀ‚° Þ¬ìJ™ ªê¡Á Aø¶.

ñ‡ªí‡¬íJ¡ Ü예Fò£ù¶ cK¡ Ü예F ñŸÁ‹ M÷‚ªè‡ªíJ¡Ü예F¬ò Mì °¬øõ£è Þ¼Šðîù£™, ñ‡ªí‡ªíŒ Þó‡´ FóõƒèÀ‚° «ñ™ð°FJ™ ªê¡Á Aø¶. Þî¡ Íô‹ FóõŠ ªð£¼†èO¡ Ü예F êññ£èÞ¼ŠðF™¬ô â¡ð¬î ÜPòô£‹.

°PŠ¹

1. å¼ ªð£¼O¡ Ü예F â¡ð¶ ÜŠªð£¼O¡ G¬ø‚°‹, Üî¡ ð¼ñ‚°‹ àœ÷MAî‹ Ý°‹. (Ü예F = G¬ø )  ð¼ñ¡ 

2. G¬ø â¡ð¶ ªð£¼O™ è£íŠð´‹ 𼊪ð£¼O¡ Ü÷¾ Ý°‹.

3. ð¼ñ¡ â¡ð¶ ªð£¼œ ܬ숶‚ ªè£œÀ‹ ÞìˆF¡ Ü÷¾.

Mù£‚èœ

1. àù‚° ªîK‰î Ü예F ÜFèñ£è àœ÷ FóõˆF¡ ªðò¬ó‚ °PŠH´è.

2. c¬ó Mì Ü예F °¬øõ£ùŠ ªð£¼†èœ à‡ì£?

40. FóõƒèO¡ Ü예F

www.indiasudar.org40

Page 49: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 49/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  Ü예F ðŸP ÜP‰¶ ªè£œ÷™.

«î¬õŠð´‹ ªð£¼†èœ

  Þó‡´ è‡í£®Š 𣆮™èœ, ê£î£óí àŠ¹, c˜, «õè¬õ‚è£î º†¬ì.

ªêŒº¬ø

  Þó‡´ ð£†®™èO½‹ c˜ â´ˆ¶‚ ªè£‡´,å¡P™ êŸÁ ÜFè÷¾ àŠH¬ù Þ†´ ï¡ø£è‚

èô‚辋. Þó‡´ ð£†®™èO½‹ º†¬ì¬ò‚èõùñ£è Þ쾋. c 裇ð¶ â¡ù? ÞîŸè£ùè£ó투î à¡ù£™ ÎA‚è º®Aøî£?

M÷‚è‹

  àŠ¹ èô‚è£î c˜ àœ÷ 𣆮L™ ÞìŠð†ì º†¬ì cK™ Í›A M´Aø¶. Ýù£™àŠ¹ cK™ ÞìŠð†ì º†¬ì cK™ Iî‚Aø¶. ãªùQ™ º†¬ìJ¡ Ü예Fò£ù¶,ê£î£óí cK¡ Ü예F¬òMì ÜFè‹. âù«õ, º†¬ì ê£î£óí cK™ Í›°Aø¶.Ýù£™, àŠ¹ ï¡° èô‚èŠð†ì cK¡ Ü예F, º†¬ìJ¡ Ü예F¬ò Mì ÜFèñ£èÞ¼Šð, º†¬ì àŠ¹ cK™ Iî‚Aø¶.

  Ü예F °¬ø‰î FóõˆF™ Í›°‹ å¼ ªð£¼÷£ù¶, Ü예F ÜFèñ£ù FóõˆF™Iî‚°‹ â¡ð¬î»‹ Þî¡ Íô‹ ÜP‰¶ ªè£œ÷ Þò½Aø¶.

Mù£‚èœ

1. Ü예F â¡ø£™ â¡ù?

2. àŠ¹ cK™ º†¬ì ã¡ Iî‚Aø¶?

3. ê£î£óí c¬ó Mì àŠ¹ cK¡ Ü예F ÜFèK‚è è£óí‹ â¡ù?

41. Iî‚°‹ º†¬ì, Í›°‹ º†¬ì

www.indiasudar.org   41

Page 50: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 50/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  cK¡ Ü예F ñŸÁ‹ à‰¶ M¬ê¬òŠ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  º‚裙 ðƒ° c˜ GóŠðŠð†ì ð£ˆFó‹, è£Aî èŠ, «è£L‚°‡´èœ.

ªêŒº¬ø

  ð£ˆFóˆF™ àœ÷ cK¡ e¶ è£Aî 芬ð Iî‚è M쾋. H¡¹ èŠHÂœ«÷ 嚪õ£¼«è£Lò£è Þ쾋. è£Aî èŠ Í›°‹ õ¬ó âˆî¬ù «è£Lèœ ÞìŠð†ìù â¡ð¬î‚

èí‚A쾋. «ñ½‹ ªõÁ‹ «è£L¬ò cK™ Þ´‹«ð£¶ Í›°õ¬î»‹ èõQ‚辋.

M÷‚è‹

   ªõÁ‹ «è£L¬ò cK™ Þ´‹«ð£¶ Üî¡ Ü예F cK¡ Ü예F¬ò Mì ÜFèñ£èÞ¼Šð, cK™ Í›°Aø¶. Ýù£™ å¼ «ðŠð˜ èŠH¬ù cK™ ¬õˆ¶ å¼ °PŠH†ìâ‡E‚¬è‚ °‡´è¬÷„ «ê˜‚°‹ õ¬ó «ðŠð˜ èŠð£ù¶ Iî‚Aø¶. Ýù£™ ÜFè Ü÷¾«è£L °‡´è¬÷ «ðŠð˜ èŠHÂœ «ð£´‹«ð£¶ «ðŠð˜ èŠH¡ â¬ì (W› «ï£‚Aò M¬ê)cK¡ «ñ™ «ï£‚Aò à‰¶ M¬ê¬ò Mì ÜFèñ£A «ðŠð˜ èŠ Í›°Aø¶. Ýù£™ «ðŠð˜èŠH¡ â¬ìò£ù¶ «ðŠð˜ èŠHù£™ Þ슪ðò˜„C ªêŒ»‹ FóõˆF¡ «ñ™ «ï£‚Aò à‰¶M¬ê‚°„ êñ‹. Þîù£™ «ðŠð˜ èŠ «è£L °‡´ì¡ Iî‚Aø¶.

°PŠ¹

1. Iî‚°‹ ªð£¼O¡ â¬ìò£ù¶ ÜŠªð£¼÷£™ ªõO«òŸøŠð†ìˆ FóõˆF¡ â¬ì‚°„êñ‹.

2. Iî‚°‹ ªð£¼O¡ ߘŠ¹ ¬ñòº‹ ÜŠªð£¼÷£™ ªõO«òŸøŠð†ìˆ FóõˆF¡ ߘŠ¹¬ñòº‹ å«ó ªêƒ°ˆ¶‚ «è£†®™ ܬñ»‹.

Þ¶«õ ݘ‚AI®R¡ Iîˆî™ MFèœ.

Mù£‚èœ

1. å¼ î†´ 塬ø cK¡ e¶ A¬ìñ†ìñ£è ¬õ‚°‹«ð£¶ Iî‚Aø¶. Ü«î ªêƒ°ˆî£è ¬õ‚°‹ «ð£¶ Í›°Aø¶. ã¡?

42. Í›è£î «è£L‚°‡´èœ

www.indiasudar.org42

Page 51: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 51/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  c˜ Í›A‚ èŠð™ Þòƒ°‹ õˆ¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  H÷£v®‚ 𣆮™, ¬ñ àP…C, CPò Þ¼‹¹ ï†, ªê™«ô£ «ìŠ

ªêŒº¬ø

  ¬ñ àP…CJ¡ õ£ŒŠ¹øˆF™ ï†¬ì ªê¼A ªê™«ô£«ìŠH¡ àîMò£™ 冮‚ ªè£œ÷¾‹. 𣆮L™ º¿õ¶‹

c¬ó GóŠH ¬ñ àP…C¬òŠ 𣆮L™ ªêƒ°ˆî£èIî‚èM†´ 𣆮¬ô Í®ò£™ ÞÁ‚èñ£è Í쾋.ÞŠªð£¿¶ 𣆮¬ô Ü¿ˆ¶‹ «ð£¶, ¬ñ àP…C cKœ͛°õ¬î‚ è£íô£‹. 𣆮¬ô Ü¿ˆ¶õ¬î GÁˆ¶‹ªð£¿¶ ¬ñ àP…C cK¡ «ñ™ñ†ìˆ¶‚°„ ªê™õ¬î»‹è£íô£‹.

M÷‚è‹

  𣆮¬ô ªõOŠ¹ø‹ Þ¼‰¶ Ü¿ˆ¶‹ «ð£¶ "ð£vè™ MFŠð®" Ü¿ˆî‹ cK™ ðóM¬ñ àP…²‚°œ àœ÷ 裟Á Ü¿ˆîŠð´õ c˜ ¬ñ àP…²‚°œ ªê™Aø¶. Üîù£™

¬ñ àP…CJ¡ Gèó Ü예F c¬ó Mì ÜFèñ£õ ܶ Í›°Aø¶. Ü¿ˆ¶õ¬îM†´M†ì£™ ¬ñ àP…C‚°œ ªê¡ø c˜ ªõO«òP M´Aø¶. ÞŠªð£¿¶ ¬ñàP…CJ¡ Gèó Ü예F °¬ø‰¶, ¬ñ àP…CJ¡ «ñ™ ªêò™ð´‹ «ñ™ «ï£‚AòM¬ê ÜFèKˆ¶, ¬ñ àP…C Iî‚Aø¶. Þ‰G蛾 ݘ‚AI®v MF Ý°‹.

°PŠ¹

  ÍìŠð†ì G¬ôJ™ àœ÷ FóõˆF™ ã«î‹ å¼ ¹œOJ™ ªè£´‚èŠð´‹ Ü¿ˆî‹Ü‰îˆ FóõˆF¡ â™ô£ˆ F¬êèO½‹ êññ£è„ êŸÁ‹ °¬øò£ñ™ ðA˜‰¶ ÜO‚èŠð´‹.Þ¶«õ ð£vè™ MFò£°‹.

Mù£‚èœ

1. c˜Í›A‚ èŠð™ cK™ Í›°õ¶‹, «î¬õò£ù «ð£¶ IîŠð¶‹ âšõ£Á?

2. ªð£¼O¡ Ü예F ⊫ð£ªî™ô£‹ ÜFèK‚°‹?

3. Ü¿ˆî‹ â¡ø£™ â¡ù?

43. 𣆮½‚°œ c˜ Í›A‚ èŠð™

www.indiasudar.org   43

Page 52: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 52/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  cK¡ «ñ™ «ï£‚° M¬ê ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  è‡í£®‚ °õ¬÷, Ë™, è™, c˜, , â¬ì îó£².

ªêŒº¬ø

  è‡í£®‚ °õ¬÷J¡ MO‹¹ õ¬ó c¬ó GóŠ¹.虬ô ËL™ 膮, Üî¡ â¬ì¬ò îó£C¡ àîM»ì¡

致H®ˆ¶‚ °Pˆ¶‚ ªè£œ. ÞŠ«ð£¶ c˜ Gó‹Hò°õ¬÷¬ò ¡ «ñ™ ¬õˆ¶, îó£C™ ªî£ƒèMìŠð†´œ÷ 虬ô, ºè¬õJ™ àœ÷ cK™ Í›°‹ð®„ªêŒ. è™ º¿õ¶‹ cK™ Í›AJ¼‚°‹ G¬ôJ™, Üî¡â¬ì¬ò‚ 致H®. Þ‰î â¬ì¬ò c º¡ù«ó °Pˆ¶¬õˆ¶œ÷ è™L¡ â¬ì»ì¡ åŠH†´Š ð£˜. Þ¼â¬ìèÀ‹ å¡ø£è àœ÷î£? Þ™¬ô ñ£Áð†®¼‚Aøî£?â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  ºîL™ 致H®ˆî‚ è™L¡ â¬ì¬ò Mì, è™ cK™ Í›AJ¼‚°‹ «ð£¶è‡´H®ˆî â¬ì °¬ø‰F¼Šð¬î‚ è£íô£‹. è™ c˜ ñ†ìˆFŸ°‚ W«ö àœ÷ «ð£¶è™Lù£™ Þ슪ðò˜„C ܬì‰î có£ù¶ è™L¡ e¶ ãŸð´ˆ¶‹ «ñ™ «ï£‚° M¬ê(à‰¶ M¬ê)ò£™ è™L¡ â¬ì °¬ø‰î¶ «ð£™ è£íŠð´Aø¶. «ñ½‹ Þ슪ðò˜„CªêŒòŠð†ì cK¡ â¬ì¬ò Ü÷M´‹ «ð£¶ ªð£¼œ Þö‰î â¬ì‚°„ êññ£è àœ÷¶. ޶ݘ‚AI®v MF âùŠð´‹.

°PŠ¹

ݘ‚AI®v õ‹

  å¼ ªð£¼œ cK™ Í›AJ¼‚°‹ «ð£¶ ªð£¼œ Þö‚°‹ â¬ìò£ù¶ ÜŠªð£¼÷£™ªõO«òŸøŠð´‹ cK¡ â¬ì‚°„ êñ‹.

Mù£‚èœ

1. AíŸP™ àœ÷ õ£O¬ò c¼‚°œ Þ¼‚°‹ «ð£¶ Þ¿Šð¶ âOî£è Þ¼Šð¶ ã¡?

44. ªð£¼œ â¬ì¬ò Þöˆî™

www.indiasudar.org44

Page 53: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 53/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  GΆìQ¡ ºî™ MFJ¡ õ£›Mò™ ðò¡ð£´è¬÷»‹, M¬êJ¡ ñJ¬ù»‹ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  è‡í£® ì‹÷˜, î𣙠܆¬ì, ï£íò‹.

ªêŒº¬ø

  ì‹÷¬ó â´ˆ¶ «ñ¬êJ¡ e¶ «ïó£è GŸè ¬õˆ¶, Üî¡ e¶

î𣙠܆¬ì¬ò ¬õ‚辋. H¡ù˜ ï£íòˆ¬î ܆¬ìJ¡¬ñòŠð°FJ™ ï£íòˆ¬î ¬õ‚辋.

  H¡ù˜ ܆¬ì¬ò «õèñ£èˆ îœ÷¾‹. H¡ù˜ â¡ù ïì‚Aø¶â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

   ªè£´‚°‹ M¬ê ܆¬ìJ¡ e¶ ñ†´‹ ªêò™ð´‹. Üîù£™ ܆¬ì ªõO«òõ‰¶ M´‹. Ýù£™ ï£íò‹  Þ¼‚°‹ ÞìˆF«ô«ò ªî£ì˜‰¶ Þ¼‚è ºòŸC‚°‹.ï£íòˆ¬î A‚ ªè£‡®¼‰î ܆¬ì MôA M†ì, ï£íò‹ ì‹÷K¡

à†¹øˆF™ M¿‰¶ M´Aø¶. CP¶ ªð£Á¬ñò£è ܆¬ì¬òˆ îœOMì ºòŸC‚°‹ªð£¿¶, ï£íòˆFŸ°‹ ܆¬ì‚°‹ Þ¬ì«ò àœ÷ ªî£´Mò™ à󣌾 M¬êJ¡è£óíñ£è ï£íò‹ ܆¬ì»ì¡ «ê˜‰¶ ªõO«ò õ‰¶ M´‹. «õèñ£è ܆¬ì¬òˆîœO M´‹ «ð£¶ (M¬ê ªè£´‚°‹ «ð£¶) à󣌾 M¬ê ªêò™ðì è£ô Üõè£ê‹Þ™ô£î ï£íò‹ ì‹÷K¡ àœ«÷ M¿‰¶ M´Aø¶.

°PŠ¹

 GΆìQ¡ ºî™ Þò‚è MF

¹ø M¬ê å¡Á ªêò™ðì£î õ¬ó, â‰î å¼ ªð£¼À‹ îù¶ ܬñF G¬ôJ«ô£

Ü™ô¶ Yó£ù Þò‚èˆF™ Þ¼‚°‹ Þò‚è G¬ôJ«ô£ ªî£ì˜‰¶ Þ¼‚è ºò½‹.

Mù£‚èœ

1. è£K™ ðòEŠðõ˜ Y† ªð™† ÜEõ¶ ã¡?

2. å¼ Cô êñòƒèO™ ܆¬ì»‹ ï£íòº‹ «ê˜‰¶ M¿õ¶ ã¡?

3. 殂 ªè£‡®¼‚°‹ «ð¼‰¶ F¯ªóù GŸ°‹ «ð£¶, ðòEèœ º¡«ù£‚A„ ªê™õ¶ã¡?

45. 裲 ⃫è?

www.indiasudar.org   45

Page 54: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 54/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  GΆìQ¡ ºî™ MF ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  «ðŠð˜, ì‹÷˜, c˜, «ñ¬ê.

ªêŒº¬ø

  å¼ «ðŠð¬ó â´ˆ¶‚ªè£‡´ «ñ¬êJ¡ æóˆF™ ¬õ‚辋. Üî¡ «ñ™ c˜ Gó‹Hòì‹÷¬ó ¬õˆ¶, ÞŠ«ð£¶ ì‹÷¬óˆ ªî£ì£ñ™, ì‹÷K™ àœ÷ c˜ C‰î£ñ™ «ðŠð¬ó

â´‚è ºòŸC‚辋. â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

   «ðŠð¬ó ñ†´‹ H®ˆ¶ «õèñ£è Þ¿ˆî£™, «ðŠð˜ îQ«ò õ‰¶ M´‹. c¼‹C‰¶õF™¬ô.

  GΆìQ¡ ºî™ MFŠð®,  ªè£´‚°‹ M¬êò£ù¶, «ðŠðK¡ e¶ ñ†´‹ªêò™ð´‹. âù«õ «ðŠð˜ ñ†´‹ õ¼‹. G¬ôñŠ ð‡H¡ è£óíñ£è ì‹÷˜ ïèó£¶.

Mù£‚èœ

1. GΆìQ¡ ºî™ Þò‚è MF â¡ù?2. «ðŠð¬ó ªñ¶õ£è Þ¿ˆî£™ â¡ù Gè¿‹?

46. ANò£îˆ 

www.indiasudar.org46

Page 55: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 55/110

Science Experimental Based Learning & Awareness Ver. 2.0

www.indiasudar.org

«ï£‚è‹

  ¹M ߘŠ¹ M¬ê, ¬ñò «ï£‚° M¬ê ñŸÁ‹ ¬ñò Mô‚° M¬ê¬òŠ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  H÷£v®‚ õ£O, ð‰¶, èJÁ.

ªêŒº¬ø

  H÷£v®‚ õ£OJ™ ð‰¬îŠ «ð£†´ î¬ô‚° «ñ™àò˜ˆF õ£O¬òˆ î¬ôWö£è‚ èM›‚辋. ð‰¶ W«ö

M¿‰¶ M´Aø¶. H¡ù˜ õ£O¬ò èJŸP™ 膮õ£O¬ò «õèñ£è õ†ì õ®M™ ²öŸø¾‹. ÞŠ«ð£¶ð‰¶ W«ö M¿Aøî£ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  õ£O¬ò ê£î£óíñ£è î¬ôWö£èŠ H®‚°‹ «ð£¶,ð‰F¡ e¶ ¹M ߘŠ¹ M¬ê ªêò™ð´õ, ð‰¶õ£O¬ò M†´ ÌI¬ò «ï£‚A M¿Aø¶. Ü«î êñò‹õ£O¬ò õ†ìŠ ð£¬îJ™ ²ŸÁ‹ «ð£¶, õ£OJ¡ M¬ê º¿õ¶‹ èJŸP¡ õNò£è¬ñòˆ¬î «ï£‚A å¼ M¬ê ªêò™ð´‹. ÞšM¬ê ¬ñò «ï£‚° M¬ê âùŠð´‹. Ü«î

êñò‹ ¬ñò «ï£‚° M¬ê‚°„ êññ£ù ¬ñò Mô‚° M¬ê»‹ ªêò™ð´‹. ÞšM¬êõ†ìŠð£¬îJ™ Þòƒ°‹ å¼ ªð£¼¬÷ Üî¡ ¬ñòˆF™ Þ¼‰¶ ªõO«ï£‚AˆîœÀAø¶. Þ‰î M¬êò£ù¶ ð‰F¡ â¬ì¬ò (M¬ê¬ò) Mì ÜFèñ£°‹ «ð£¶, ð‰¶W«ö Mö£ñ™ ªî£ì˜‰¶ ²ŸÁAø¶. cƒèœ °¬ì Þ󣆮ùˆF™ ²ŸÁ‹ «ð£¶ cƒèœªõOŠ¹øñ£èˆ îœ÷Šð´õ¶ Þ‰î M¬êJ¡ M¬÷Mù£™î£¡. ꘂèR™ «ñ£†ì£˜Ã‡´ G蛄CJ™ õ‡® 憴õ¶‹ Þ«î õˆF™î£¡.

Mù£‚èœ

1. ¹M ߘŠ¹ M¬êò£™ ð‰¶ ã¡ W«ö M¿õF™¬ô?

2. õ¬÷õ£ùŠ ð£¬îJ™ I°‰î «õèˆF™ õ‡® ªê™½‹«ð£¶, ã¡ èM›Aø¶?

47. õ£OJ™ ð‰¬îŠ «ð£†´ ²ŸÁî™

47

Page 56: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 56/110

Science Experimental Based Learning & Awareness Ver. 2.0

www.indiasudar.org

«ï£‚è‹

  ¬ñò Mô‚° M¬ê ðŸP ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  «ðù£, Ë™, ê£M, èùñ£ù Þ¼‹¹ «ð£™†.

ªêŒº¬ø

  ÞŠ«ð£¶, ËL¬ùŠ «ðù£M¡ ï´«õ ̧ ¬öˆ¶‚ ªè£œ÷¾‹. ËL¡ å¼ º¬ùJ™ê£M 塬ø ެ툶‚ ªè£œ÷¾‹. ê£M Þ¬í‚èŠð†ì º¬ùJL¼‰¶ ²ñ£˜ 20 ªê.e

ÉóˆF™ å¼ èùñ£ù º®„C†´‚ ªè£œ÷¾‹. H¡ ËL¡ ñÁº¬ùJ™ èùñ£ùê£M»ì¡ Þ¼‹¹ «ð£™†¬ì‚ è†ì¾‹. ÞŠ«ð£¶ «ðù£M¡ ¬ñòŠð°F¬òŠ H®ˆ¶‚ªè£‡´ ê£M è†ìŠð†ì º¬ù «ñ«ô Þ¼‚°ñ£Á ¬õˆ¶ ˬô„ ²Ÿø¾‹. â¡ùGè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  «ðù£¬õ  «õèñ£è ²ŸÁ‹ «ð£¶ ê£M õ†ìŠð£¬îJ™ ²Ÿøˆªî£ìƒ°Aø¶.ÜŠ«ð£¶ «ðù£¬õ M†´ MôA„ ªê™½‹. Ü«î «ïóˆF™ W› º¬ùJ™ è†ìŠð†ìÞ¼‹¹«ð£™† ªñ™ô, ªñ™ô àò˜‰¶ ªè£‡«ì õ¼Aø¶. õ†ìŠð£¬îJ™ Þòƒ°‹ªð£¼†èœ e¶ ¬ñòMô‚° M¬ê â¡Â‹ M¬ê ªêò™ð´Aø¶. ÞšM¬ê ªð£¼œ

²ŸÁ‹ «õè‹ °¬ø»‹ «ð£¶ °¬ø‰î Ü÷¾‹, ²ŸÁ‹ «õè‹ ÜFèñ£°‹ «ð£¶ÜFèñ£è¾‹ ªð£¼O¡ e¶ ªêò™ð´‹. Þ‰î ¬ñò Mô‚° M¬ê, Þ¼‹¹ «ð£™†®¡â¬ì¬ò (M¬ê¬ò) Mì ÜFèñ£°‹ «ð£¶, Þ¼‹¹ «ð£™†ì£ù¶ ªñ™ô ªñ™ô «ñ«ôàò˜Aø¶. Þî¡ Ü®Šð¬ìJ™î£¡ ꘂèR™ ñóí‚ Ã‡®™ õ‡®J™ ²ŸÁðõ˜ W«öMö£ñ™ Þ¼‚Aø£˜.

Mù£‚èœ

1. ¬ñò Mô‚° M¬ê â¡ø£™ â¡ù?

2. ꘂèR™ ñóí‚ Ã‡®™, õ‡®J™ ²ŸÁðõ˜ ã¡ W«ö M¿õF™¬ô?

3. ꘂèR™ ñóí‚ Ã‡®™ õ‡®J™ ²ŸÁðõ˜ ã¡ ªñ¶õ£è„ ²ŸÁõF™¬ô?

48. ê£M ²öŸÁî™

48

Page 57: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 57/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ï‹ñ£™ ªõš«õÁ M¬êè¬÷ å«ó «ïóˆF™ ªê½ˆî º®ò£¶ â¡ð¬î ÜPò„ªêŒî™.

«î¬õŠð´‹ ªð£¼†èœ

  ªêšõè õ®õºœ÷ å¼ «ðŠð˜.

ªêŒº¬ø

  ªêšõè õ®õºœ÷ ÷ â´ˆ¶,

Üî¡ ¬ñòˆF™ Þ¼‰¶ êñ ªî£¬ôM™ïñ¶ ݜ裆® Mó™ ¸¬ö»‹ Ü÷MŸ°Þó‡´ ¶¬÷è¬÷ Þ쾋. H¡ù˜ ܉÷èO™ Mó¬ô ̧ ¬öˆ¶ å«ó êñòˆF™Þó‡´ ¶¬÷è¬÷»‹ AN‚è ºòŸC‚辋. â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  Þó‡´ ¶¬÷è¬÷»‹ å«ó êñòˆF™ AN‚è º®ò£¶. «ðŠð¬ó AN‚è ºòŸC‚°‹«ð£¶, «ðŠðK¡ â¬ìJù£™ ãŸð´‹ G¬ôñ‹ â¡Â‹ ð‡¹, «ðŠðK¡ â¬ìº¿õ¶‹ å¼Mó™e¶ ªêò™ð´‹ð® ªêŒõ, å¼ Mó¬ô ñ†´«ñ ï蘈î Þò½Aø¶. å¼ Mó™

êŸÁ ï蘉î¾ì¡, «ðŠðK¡ â¬ì ï蘉¶ ªè£‡®¼‚°‹ Mó™ e¶ ªêò™ð숪î£ìƒ°‹ «ð£¶, ñŸªø£¼ Mó™ ïèóˆ ¶õƒ°Aø¶. Þîù£™ å¼ ¶¬÷ ñ†´«ñANAø¶. ñŸ«ø£˜ ïð¬ó ܬöˆ¶, «ðŠðK¡ ¬ñòŠð°F¬òŠ H®ˆ¶‚ ªè£œ÷„ ªêŒ¶,H¡ù˜ AN‚è ºòŸCˆî£™, Þó‡´ ¶¬÷è¬÷»‹ å«ó êñòˆF™ AN‚è º®õ¬î‚è£íô£‹. Þ è£óí‹, «ðŠðK¡ â¬ìJ¬ù, ܉î ïð˜ A‚ ªè£œõ, Mó™èœâOî£è ïèó Þò½Aø¶.

49. «ðŠð¬ó‚ AN‚è º®»ñ£?

www.indiasudar.org   49

Page 58: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 58/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  à󣌾 M¬ê¬òŠ ðŸP ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  å¼ c÷ñ£ù 苹, Ü÷¾«è£™ (v«è™).

ªêŒº¬ø

  àƒèÀ¬ìò ¬èè¬÷ Üèôñ£è MKˆ¶¬õˆ¶, ݆裆® Mó™è÷£™ c÷ñ£ù

苬ð Üî¡ Þ¼º¬ùè÷£™ AŠH®‚辋. H¡ù˜ Þ¼ ¬èè¬÷ å«óêñòˆF™ ï蘈F, Mó™è¬÷‚ è‹H¡¬ñòŠ ð°F‚° ªè£‡´ õó ºòŸC‚辋.cƒèœ â¡ù àí¼Al˜èœ? Þ¼Mó™èÀ‹ ê‰Fˆî¾ì¡, à¡ ï‡ð¬ù ܬöˆ¶, Þ¼Mó™èÀ‚A¬ìJ™ Ü÷¾«è£¬ô ¸¬ö‚°‹ð® ÃP, Ü÷¾«è£L¡ e¶, è‹H¬ù¬õˆ¶M†´ à¡ Mó™è¬÷ â´ˆ¶M†´ 苹 W«ö M¿Aøî£ âù‚ èõQ‚辋.

M÷‚è‹:

  Þó‡´ Mó™è¬÷»‹ å¡ø£è ïè˜ˆî ºòŸC‚°‹ «ð£¶, ã«î‹ å¼ Mó¬ô ñ†´«ñ

å¼ êñòˆF™ ï蘈î Þò½õ¬î àí¼i˜èœ. ãªùQ™, è‹H¡ â¬ì º¿õ¶‹ Þ¼Mó™è÷£™ èŠð´Aø¶. å¼ Mó¬ô ¬ñòˆ¬î «ï£‚A ï蘈¶‹ «ð£¶, ÜŠð‚èˆF™â¬ì ÜFèKŠð, ÜšMó™e¶ ÜFè à󣌾 M¬ê ªêò™ð´õ, Mó¬ô ï蘈îÞòôM™¬ô. Ü«î êñò‹ Üî¡ âF˜ð‚è‹ â¬ì °¬øõ, à󣌾 M¬ê °¬øõ,ÜŠð‚èˆF™ àœ÷ Mó™ ïèóˆªî£ìƒ°‹. Þšõ£Á Þ¼Mó™èÀ‹ ñ£P ï輋 G蛾,Þ¼Mó™èÀ‹ ê‰F‚°‹ õ¬ó Gè¿‹. Þ¼Mó™èÀ‹ ê‰Fˆî¾ì¡, à¡ ï‡ð¬ùܬöˆ¶, Þ¼ Mó™èÀ‚A¬ìJ™ Ü÷¾«è£¬ô ̧ ¬ö‚°‹ð® ÃP, Ü÷¾«è£L¡ e¶,è‹H¬ù ¬õˆî£™, 苹 Ü÷¾«è£L¡ e¶ A¬ìñ†ìñ£è GŸ°‹. ÞŠ«ð£¶ Ü÷¾«è£™è‹H¬ùˆ °‹ ¹œO«ò, è‹H¡ ¹MߘŠ¹ ¬ñò‹ Ý°‹.

Mù£‚èœ1. à󣌾 â¡ø£™ â¡ù?

2. à󣌾 õóñ£? ê£ðñ£?

3. IFõ‡®J¡ Côð£èƒèÀ‚° â‡ªíŒ M´õ¶ ã¡?

50. â‰îŠ ð‚è‹ M¿‹ Þ‰î‚ è‹¹

www.indiasudar.org50

Page 59: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 59/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  à󣌾 M¬ê¬òŠ ðŸP ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  ªñ™Lò ܆¬ì»œ÷ å«ó Ü÷õ£ù 90ð‚è «ï£†´Š ¹ˆîèƒèœ Þó‡´.

ªêŒº¬ø

  Þó‡´ «ï£†´ ¹ˆîèƒè¬÷»‹ ܼ輫è«ñ¬êJ¡ e¶ ¬õ‚辋. H¡ù˜ ºîô£õ¶ «ï£†´Š

¹ˆîèˆF¡ H¡ ܆¬ìJ¡ e¶, Þó‡ì£õ¶ «ï£†´Š¹ˆîèˆF¡ ܆¬ì¬ò ¬õ‚辋. H¡ù˜ ºîô£õ¶¹ˆîèˆF¡ ð‚èƒèœ ܬùˆ¶‹ Þó‡ì£õ¶¹ˆîèˆF¡ ð‚èƒèÀ‚° Þ¬ìJ™ ܬñ»‹ õ‡í‹Ü ¬ ù ˆ ¶ Š ð ‚ è ƒ è ¬ ÷ » ‹ Ü ´ ‚ è ¾ ‹ .ܬùˆ¶Šð‚èƒè¬÷»‹ Ü´‚AòŠ H¡ù˜, Þ󇴫´Š¹ˆîèƒè¬÷»‹ HK‚è ºòŸC‚辋. H¡ù˜Ü´‚AòŠ ð‚èƒèO™ Cô ð‚èƒè¬÷Š HKˆ¶ M†´H¡ù˜ e‡´‹ HK‚è ºòŸC‚辋.

M÷‚è‹  Þ¼ ¹ˆîèƒèO½‹ å¼ î£¬÷«ò£ Ü™ô¶ Cô è¬÷«ò£ «ê˜ˆ¶ ¬õ‚°‹«ð£¶,HKŠð¶ âOî£è àœ÷¶. ãªùQ™, èO¡ â¬ì‚ °¬øõ£è àœ÷¶. Þîù£™ à󣌾M¬ê»‹ °¬øõ£è Þ¼Šð ¹ˆîèˆ¬îŠ HK‚è º®Aø¶. Ýù£™, ðôèœá´¼M„ «ê˜‰F¼‚°‹«ð£¶, Þ¼ ¹ˆîèƒèÀ‚A¬ì«òò£ù ªî£´ ðóŠð÷¾ ñŸÁ‹â¬ì»‹ ÜFèK‚°‹. Þîù£™ à󣌾 M¬ê»‹ ÜFèK‚°‹. ܶ ñ†´ñ™ô£¶,¹ˆîèƒè¬÷ Þ¿ˆ¶Š HK‚è ºò½‹ «ð£¶ ܬõ õ¬÷õ à󣌾 M¬ê «ñ½‹ÜFèK‚°‹. Þîù£™ ¹ˆî般î HKŠ¶ è®ùñ£è àœ÷¶.

°PŠ¹

  1. à󣌾 M¬êò£ù¶ ⊪𣿶‹ ªð£¼œ Þòƒ°‹ F¬ê‚° âF˜ F¬êJ«ô«òÞ¼‚°‹.

  2. à󣌾 M¬êò£ù¶ ªð£¼†èO¡ Þò‚般î âF˜‚°‹.

 

51. HK‚è º®ò£î ¹ˆîèƒèœ

www.indiasudar.org   51

Page 60: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 60/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ¹MߘŠ¹ ¬ñòˆ¬îŠ ðò¡ð´ˆ¶î™

«î¬õŠð´‹ ªð£¼†èœ

  ªðKò ÝEèœ-20, CPò ªêšõè õ®õ ñ󈶇´, ²ˆFò™

ªêŒº¬ø

  ºîL™ å¼ ÝE¬ò ñ󈶇®™GŸ°‹ð® ²ˆFòô£™ Ü®ˆ¶‚ ªè£œ÷

«õ‡´‹. æ˜ ÝE¬ò «ñ¬êJ¡ e¶¬õ‚è «õ‡´‹. Hø° å¼ ÝE¬òâ´ˆ¶‚ ªè£‡´ Üî¡ è¿ˆ¶Š ð°F¬ò«ñ¬êJ¡ e¶ àœ÷ ÝEJ¡ e¶ð´ñ£Á W¿œ÷ ÝE‚° ªêƒ°ˆî£è¬õ‚è «õ‡´‹. ñŸªø£¼ ÝEJ¬ùâ´ˆ¶ Üî¡ è¿ˆ¶Š ð°F¬ò, ãŸèù«õ ªêƒ°ˆî£è ¬õ‚èŠð†ì ÝE‚°âF˜F¬êJ™ ¬õ‚è «õ‡´‹. Þ«î «ð£™ åšªõ£¼ ÝE¬ò»‹ âFªóF˜ F¬êJ™¬õˆ¶ Mì «õ‡´‹. ÞÁFò£è å¼ ÝEJ¬ù â´ˆ¶ A¬ìñ†ìñ£è àœ÷ ÝEJ¡«ñ™ð°FJ™ ¬õˆ¶ Mì «õ‡´‹. ÞŠªð£¿¶ ÝEèœ HK‰¶ W«ö Mö£îõ£Á H®ˆ¶‚

ªè£‡´ ñ󈶇®™ Ü®‚èŠð†ì ÝEJ¡ î¬ôŠð°FJ™ ¬õ‚è «õ‡´‹.ÞŠªð£¿¶ ÝEèœ å¼ Ãì£ó‹ «ð£™ GŸð¬î‚ è£íô£‹.

M÷‚è‹

  â‰îªõ£¼ ªð£¼O¡ â¬ì»‹ °PŠH†ì å¼ ¹œO õNò£è„ ªêò™ð´‹. ÜŠ¹œO¹Mf˜Š¹ ¬ñò‹ âùŠð´‹. ÝEèO¡ ¹Mf˜Š¹ ¬ñòñ£ù¶ ªêƒ°ˆî£è Ü®‚èŠð†ìÝEJ¡ î¬ôŠð°FJ™ Þ¼‚Aø¶. Þƒ° ¹Mf˜Š¹ ¬ñòˆ¶‚°„ ªêƒ°ˆî£è «ñ™«ï£‚A å¼ M¬ê ªêò™ð´õ ÝEèœ W«ö MöM™¬ô.

52. å¼ ÝEJ¡ «ñ™ ðô ÝEèœ

www.indiasudar.org52

Page 61: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 61/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªð£¼†èO¡ ¹Mf˜Š¹ ¬ñòˆ¬îŠ ðŸP ÜPî™

«î¬õŠð´‹ ªð£¼†èœ

  ªðKò ªñ¿°õ˜ˆF å¡Á, ªðKò áC, å«ó Ü÷¾œ÷ Þó‡´ ì‹÷˜èœ, bŠªð†®

ªêŒº¬ø

  ªñ¿°õ˜ˆFJ¡ Þ¼ º¬ùèO½‹ FKò£ù¶ªõOJ™ ªîK»‹ð® ªõ†®‚ ªè£œ÷ «õ‡´‹.

ªñ¿°õ˜ˆFJ¡ ¬ñòˆF™, áC¬ò„ Å´ð´ˆFªêƒ°ˆî£èˆ ¶¬÷Jì «õ‡´‹. Hø° áC¬ò„ªê¼A‚ ªè£‡´, Þó‡´ ì‹÷˜è¬÷ Þ¬íò£è¬õˆ¶ ÜõŸP¡ «ñ™ áCJ¡ Þ¼ º¬ùèÀ‹ð ´ ‹ ð ® ¬ õ ‚ è « õ ‡ ´ ‹ . Þ Š ª ð £ ¿ ¶ªñ¿°õ˜ˆFJ¡ Þ¼º¬ùèO½‹ ðŸø ¬õ‚è«õ‡´‹. ÞŠªð£¿¶ ªñ¿°õ˜ˆF, Y꣬õŠ «ð£™«ñ½‹ W¿ñ£è Ý´õ¬î‚ è£íô£‹.

M÷‚è‹

  ºîL™ ªñ¿°õ˜ˆFJ¡ ¹MߘŠ¹ ¬ñòñ£ù¶ áCJ¡ «ñ™ Þ¼Šðªñ¿°õ˜ˆF A¬ìñ†ìñ£è Þ¼‚Aø¶. ªñ¿°õ˜ˆFJ¡ å¼ º¬ùJ™ àœ÷ªñ¿è£ù¶ ༰‹«ð£¶ â¬ì °¬ø‰¶ ÜŠð°F «ñ«ô ªê™Aø¶. «ñ½‹, ªñ¿°à¼AŠ HK»‹ «ð£¶ W›«ï£‚A M¬ê„ ªêò™ð´‹. Þ êññ£ù âF˜M¬ê å¡Áªñ¿°õ˜ˆFJ¡ e¶ ªêò™ð´‹. Þ¶ GΆìQ¡ Í¡ø£õ¶ Þò‚è MFò£°‹. Þîù£™ªñ¿°õ˜ˆF âOî£è «ñ«ô ªê™Aø¶. ñŸªø£¼ ð°F W«ö õ¼Aø¶. ÜŠð°FJ½‹ªñ¿° ༰õ ÜŠð°F â¬ì °¬ø‰¶ ÞšMF ªêò™ð†´ «ñ«ô ªê™Aø¶.«ñ½‹ ªñ¿°õ˜ˆFJ¡ ¹Mf˜Š¹ ¬ñòñ£ù¶ â¬ì ÜF躜÷ ð°FJ«ô Þ¼Šð܊ð°F W«ö õ¼Aø¶. âù«õ ªñ¿°õ˜ˆF, Y꣬õŠ «ð£™ Ý´Aø¶.

Mù£‚èœ1. ꘂèR™ èJŸP™ ïìŠðõ˜èœ ¬èJ™ c÷ñ£ù 苹 ¬õˆF¼Šðî¡ è£óí‹ â¡ù?

53. ïìùñ£´‹ ªñ¿°õ˜ˆF

www.indiasudar.org   53

Page 62: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 62/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ¹MߘŠ¹ M¬ê ܬùˆ¶ ªð£¼†èO¡ e¶‹ êññ£è„ ªêò™ð´‹ â¡ð¬î»‹,裟Á‚° âF˜M¬ê à‡´ â¡ð¬î»‹ ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

å¼ CPò «ï£†´Š¹ˆîè‹, «ðŠð˜.

ªêŒº¬ø

  å¼ ¬èJ™ «ï£†´Š¹ˆî般, ñŸªø£¼ ¬èJ™ «ðŠð¬ó»‹ â´ˆ¶‚ ªè£‡´

å«ó êñòˆF™ Þó‡¬ì»‹ êñ àòóˆFL¼‰¶ W«ö M†´ M´. Þó‡´‹ î¬ó¬ò õ‰¶Ü¬ì»‹ Gè›M¬ù àŸÁ‚èõQ.

  H¡ù˜ «ï£†´Š¹ˆî般î â´ˆ¶‚ ªè£‡´, «ðŠð¬ó Üî¡ e¶ ¬õˆ¶ Þó‡¬ì»‹å¼ƒ«è î¬ó¬ò «ï£‚A Mö„ ªêŒ. Þ‹º¬ø Þó‡´‹ î¬ó¬ò ܬ컋 Gè›M¬ùàŸÁ‚ èõQ‚辋. Þó‡´ Gè›MŸA¬ìJ™ ã«î‹ «õÁ𣴠޼‰î£™ ÜîŸè£ùè£ó투î áA‚è ºòŸC‚辋.

M÷‚è‹

  «ï£†´Š¹ˆî般, «ðŠð¬ó»‹ îQˆîQ«ò W«ö M´‹«ð£¶ «ï£†´Š¹ˆîè‹

ºîL½‹, «ðŠð˜ Þó‡ì£õî£è¾‹ î¬ó¬ò õ‰¶ ܬìAø¶. Ýù£™,«ï£†´Š¹ˆîèˆF¡ e¶ «ðŠð¬ó ¬õˆ¶ M´‹«ð£¶ Þó‡´‹ å«ó êñòˆF™ î¬ó¬òõ‰¶ ܬìAø¶.

  ܬùˆ¶ ªð£¼†èÀ‹ ¹MߘŠ¹ M¬êJù£™ W«ö M¿Aø¶. Þšõ£Á ¹M ªê½ˆ¶‹ß˜Š¹ M¬ê ܬùˆ¶Š ªð£¼†èO¡ e¶‹ êññ£è„ ªêò™ð´‹. âù«õ êñ àòóˆF™M¿‹ ܬùˆ¶ ªð£¼†èÀ‹ å«ó «ïó̂ F™ î¬ó¬ò õ‰¶ ܬìò «õ‡´‹. Ýù£½‹,G¬ø °¬ø‰î «ðŠð˜ W«ö M¿‹ «ð£¶ õOñ‡ìô‚ 裟P¡ Ü¿ˆîˆî£™ ãŸð´‹î¬ìJ¡ (âF˜ M¬ê) è£óíñ£è ªñ¶õ£è î¬ó¬ò õ‰¶ ܬìAø¶.

  «ï£†´Š¹ˆî般, «ðŠð¬ó»‹ å¡ø£è ¬õˆ¶ M´‹ «ð£¶, «ðŠð¼‚°

õOñ‡ìô‚ 裟Pù£™ ãŸð´‹ î¬ì «ï£†´Š¹ˆîèˆî£™ î´‚èŠð´õ Þó‡´‹å«ó êñòˆF™ î¬ó¬ò õ‰¶ ܬìA¡øù.

Mù£‚èœ

1. «ðŠð˜ î£ñîñ£è‚ W«ö M¿õ¶ âîù£™?

2. «ï£†®¡ e¶ «ðŠð¬ó ¬õ‚°‹ «ð£¶ Þ󇮟°‹ ï´«õ 裟P¡ M¬ê Þ¼‚°ñ£?

54. èLL«ò£ «ê£î¬ù

www.indiasudar.org54

Page 63: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 63/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  A èõ˜„CJ¡ ñ¬ò ÜPò„ ªêŒî™.

«î¬õŠð´‹ ªð£¼†èœ

  2 ªê.e Üèôº‹ 5 ªê.e c÷º‹ àœ÷ ªêšõè‚ è‡í£®ˆ ¶‡´èœ, côGø ¬ñ.

ªêŒº¬ø

  ºîL™ Þó‡´ è‡í£®ˆ¶‡´è¬÷ â´ˆ¶‚ ªè£‡´, ÜõŸ¬ø å¡ø£èެ툶 ¬õ‚辋. ñŸªø£¼ è‡í£®ˆ ¶‡¬ì â´ˆ¶, Üî¡ ¬ñòˆF™ Þó‡´

Ü™ô¶ Í¡Á ªê£†´ ¬ñ¬ò ¬õ‚辋. H¡¹ «ê˜ˆ¶ ¬õˆî è‡í£®ˆ ¶‡´è¬÷,¬ñJ¡ e¶ ªêƒ°ˆî£è ¬õ‚辋. â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  CP¶ «ïóˆF™ ¬ñò£ù¶ «ê˜ˆ¶ ¬õˆF¼‚°‹ è‡í£®ˆ ¶‡´èÀ‚A¬ìJ™ãÁAø¶. Þó‡´ è‡í£®ˆ ¶‡´èÀ‚A¬ìJ™ Þ¬ìªõO ⶾ‹ ï‹ è‡èÀ‚°ˆªîKõF™¬ô. Ýù£™, à‡¬ñJ™ è‡í£®ˆ ¶‡´èÀ‚A¬ìJ™ IèIè ªñ™LòÞ¬ìªõO àœ÷¶. Þ¶ «ð£¡ø ̧ ‡Eò Þ¬ìªõO Ü™ô¶ ¶õ£óƒèO™ Fóõƒèœ¹øM¬ê 㶋 Þ¡P î£ù£è«õ ¹Mf˜Š¹ M¬ê‚° âFó£è ªê™½‹ ð‡¹ ªè£‡ì¬õ.ވ ð‡¹ î‰¶A èõ˜„C â¡ø¬ö‚èŠð´Aø¶. Þ‰îˆ î‰¶A èõ˜„CJù£™ Þó‡´

è‡í£®ˆ îè´èÀ‚A¬ìJ™ “¬ñ” î£ù£è «ñ«ôÁAø¶. Þ«î º¬øJ™î£¡ ÌIJ™Þ¼‚°‹ có£ù¶ î£õóƒèO¡ «õ˜ õNò£è â™ô£Š ð£èƒèÀ‚°‹ ªê™Aø¶.

Mù£‚èœ

1. M÷‚°ˆ FKJ™ â‡ªíŒ âŠð® «ñ«ôÁAø¶?

2. î£õóˆF¡ «õ˜Šð°FJ™ Þ¼‚°‹ c˜ âšõ£Á î£õóˆF¡ ñŸøŠ ð°FèÀ‚°„ªê™Aø¶?

55. î£ù£è ¬ñ «ñ«ôÁî™

www.indiasudar.org   55

Page 64: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 64/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  F슪𣼆èO™ Ü¿ˆî‹ à‡´ âù ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  èù ê¶ó õ®M½œ÷ v𣡅„ ñŸÁ‹ ªðKò Þ¼‹¹‚ è‹H.

ªêŒº¬ø

  å¼ ê¶ó Ü÷¾œ÷ v𣡅¬ê â´ˆ¶‚ªè£‡´, Üî¡ e¶ Þ¼‹¹‚ è‹H¬ò

A¬ìñ†ìñ£è ¬õ‚è «õ‡´‹. H¡ Üî¡ e¶Ü«î ªðKò Þ¼‹¹‚ è‹H¬ò ªêƒ°ˆî£è¬õ‚è «õ‡´‹. c 裇ð¶ â¡ù?

M÷‚è‹

  ºîL™ v𣡅C¡ e¶ Þ¼‹¹‚ è‹H¬ò‚ A¬ìñ†ìñ£è ¬õ‚辋. v𣡅«ê£´ªî£ì˜¹¬ìò è‹HJ¡ ðóŠ¹ ÜFèñ£è Þ¼Šð¬î‚ è£íô£‹. Üîù£™ è‹HJ¡ Ü¿ˆî‹°¬øAø¶.  ¬õˆî G¬ôJ™î£¡ v𣡅„ ñŸÁ‹ è‹H è£íŠð´Aø¶. H¡ù˜v𣡅„ e¶ è‹H¬ò„ ªêƒ°ˆî£è ¬õ‚辋. v𣡅«ê£´ ªî£ì˜¹¬ìò è‹HJ¡ðóŠ¹ °¬øõ£è Þ¼Šð¬î‚ è£íô£‹. Þîù£™ è‹HJ¡ Ü¿ˆî‹ ÜFèñ£Aø¶. Þî¡

è£óíñ£è‚ è‹Hò£ù¶ v𣡅C¡ àœ«÷ ªê™Aø¶.

°PŠ¹

  ðóŠ¹ ÜFèK‚°‹ «ð£¶ Ü¿ˆî‹ °¬ø»‹.

  ðóŠ¹ °¬ø»‹ «ð£¶ Ü¿ˆî‹ ÜFèK‚°‹.

Mù£‚èœ

1. 較èŸèœ e¶ GŸ°‹ «ð£¶ ãŸð´‹ õL, êñî÷ŠðóŠH™ GŸ°‹«ð£¶ ãŸðì£î¶ ã¡?

2. ®ó£‚ì˜èO¡ ê‚èó‹ ªðK Þ¼Šð¶ ã¡?

3. ÝEªê¼ŠH¡ e¶ GŸðõ˜ è£L™ ÝEèœ è£ò‹ ãŸð´ˆî£î¶ ã¡?

4. ÜFè ð£ó‹ ãŸP„ ªê™½‹ êó‚° ô£KèO™ ÜFèñ£ù ìò˜èœ ªð£¼ˆîŠð´õ¶ ã¡?

56. F슪ð£¼O¡ Ü¿ˆî‹

www.indiasudar.org56

Page 65: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 65/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  M¬ê‚°‹ Ü¿ˆîˆFŸ°‹ Þ¬ì«ò àœ÷ ªî£ì˜¬ðŠ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  25 è£Aî 芹èœ, å¼ Ü†¬ì.

ªêŒº¬ø

  ºîL™ å¼ è£Aî 芬ð â´ˆ¶ î¬ôWö£è‚èM›ˆ¶ ¬õˆ¶ Üî¡ e¶ ãP GŸè¾‹. â¡ù

Gè›Aø¶? H¡ù˜ å¼ õK¬ê‚° ° èŠ iî‹ä‰¶ õK¬êèO™ è£Aî‚ èŠ¹è¬÷„ Yó£ùÞ¬ìªõOJ™ î¬ôWö£è‚ èM›ˆ¶ ¬õˆ¶,Üî¡ e¶ ܆¬ì¬ò ¬õˆ¶, Üî¡ e¶ ãP G™.ÞŠªð£¿¶ â¡ù Gè›Aø¶?

M÷‚è‹

   å¼ èŠH¡ e¶ ãP GŸ°‹ «ð£¶, ïñ¶ â¬ì º¿õ¶‹ å«ó èŠH¡ e¶ ªêò™ð´‹.Üîù£™ â¬ì è£ñ™, èŠð£ù¶ ﲃAM´‹. Ýù£™ Yó£ù Þ¬ìªõOJ™Ü´‚èŠð†ì 芹èO¡ e¶ ïñ¶ â¬ì ܬùˆ¶‚ 芹è÷£½‹ èŠð´Aø¶. Üî£õ¶,

è£Aî‚ èŠ¹èO¡ e¶ ªêò™ð´‹ ï‹ â¬ìò£ù¶ (M¬ê) ܬùˆ¶‚ 芹èÀ‚°‹êññ£èŠ ðA˜‰îO‚èŠð´Aø¶. Þîù£™ è£Aî‚ èŠH¡ e¶ ªêò™ð´‹ M¬ê»‹Ü¿ˆîº‹ °¬øAø¶. âù«õ «ðŠð˜ èŠ ï²ƒèM™¬ô.

°PŠ¹

  1. M¬ê»‹ Ü¿ˆîº‹ «ï˜ˆîèM™ Þ¼‚°‹.

  2. Ü¿ˆîñ£ù¶, M¬ê ªêò™ð´‹ ð󊹂° âF˜ˆîèM™ Þ¼‚°‹.

Mù£‚èœ

1. â¬ì â¡ø£™ â¡ù?

57. è£Aî èŠ ï‹ â¬ì¬òˆ °ñ£?

www.indiasudar.org   57

Page 66: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 66/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ð£vè™ MFJ¬ù ÜPî™

«î¬õŠð´‹ ªð£¼†èœ

  ªðKò àP…² °ö™ (CK…„), ªñ¿°õ˜ˆF, bŠªð†®,áC

ªêŒº¬ø

  å¼ ªðKò áC¬ò„ Å´ð´ˆF àP…² °ö¬ô„ ²ŸPˆ

¶¬÷è¬÷Š «ð£†´‚ ªè£œÀƒèœ. å¼ ð£ˆFóˆF™ c¬óGóŠH‚ ªè£‡´, àP…² °ö¬ôˆ î‡aK™ Í›è ¬õˆ¶Hvì¬ù «ñ«ô Þ¿ƒèœ. àP…² °öL™ c˜ Gó‹H M´‹.àP…² °ö¬ôˆ î‡a¬ó M†´ ªõO«ò â´ˆ¶Hvì¬ù‚ W›«ï£‚A Ü¿ˆ¶ƒèœ. ÞŠ«ð£¶ áCJ™«ð£ìŠð†ìˆ ¶¬÷èOL¼‰¶ î‡a˜ â™ô£Šð‚èƒèO½‹ êññ£è ªõO«òÁõ¬îˆ è£íô£‹. Þâ¡ù è£óí‹?

M÷‚è‹

  î‡a¼‚°œ àP…² °ö¬ô ¬õˆ¶ Hvì¬ùŠ H¡«ù£‚A Þ¿‚°‹ «ð£¶Hvì‚°œ ªõŸPì‹ ãŸð´Aø¶. î‡a¼‚° ªõO«ò õOñ‡ìô‚ 裟ø¿ˆî‹ÜFèñ£è Þ¼‚°‹. 裟ø¿ˆî‹ ÜFèñ£ù ÞìˆFL¼‰¶ 裟ø¿ˆî‹ °¬ø‰î Þ숬î«ï£‚A 裟Á 𣻋, Üîù£™ 裟ø¿ˆî‹ °¬ø‰î àP…² °ö½‚°œ î‡a˜ ªê™Aø¶.

àP…² °ö¬ô ªõO«ò â´ˆ¶ Hvì¬ù º¡«ù£‚A Ü¿ˆFù£™ àP…² °öL¡àìŸð°FJ™ «ð£ìŠð†ì ¶¬÷èœ õNò£è„ êñ Ü÷¾ M¬êèÀì¡ î‡a˜ªõO«òPò¶.

  G¬ôò£è Þ¼‚°‹ FóõˆFÂœ å¼ ¹œOJ™ ªè£´‚èŠð´‹ Ü¿ˆî‹ ܈FóõˆF™â™ô£ˆ F¬êèO½‹ CP¶‹ °¬øò£ñ™ êñ Ü÷M™ ðA˜‰îO‚èŠð´Aø¶. Þ¶ ð£vè™MF. Hvì¬ù‚ W›«ï£‚A Ü¿ˆ¶‹ «ð£¶ ð£vè™ MFŠð® àP…² °öLÂœ Þ¼‚°‹c˜ e¶ Ü¿ˆî‹ ªêò™ð´Aø¶. ܉î Ü¿ˆî‹ â™ô£ˆ F¬êèO½‹ êñ Ü÷M™èìˆîŠð´õ ܬùˆ¶ˆ ¶¬÷èœ õNò£è¾‹ êñ Ü÷M™ c˜ ªõO«òÁAø¶.

Mù£‚èœ

1. õ£èù 憴ù˜ H«ó‚ 膬ì¬ò Ü¿ˆFò¾ì¡ ªðKò õ£èù‹ GŸð¶ âŠð®?

2. ñ‡ Üè›MJ™ (JCB-Earth excavator) àœ÷ ð£èƒèœ «õ¬ô ªêŒõ¶ âŠð®?

58. àP…² °öL™ cÏŸÁ

www.indiasudar.org58

Page 67: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 67/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  «õPù I¡Û†ìƒèœ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  ðÖ¡, CÁ è£Aîˆ ¶‡´èœ.

ªêŒº¬ø

  ðÖQ™ 裟¬ø GóŠH ËL™ 膮‚ ªè£œ÷¾‹.è£Aîˆ ¶‡´è¬÷ «ñ¬ê e¶ ¬õ‚辋. H¡ù˜

ðÖ¬ù â‡ªíŒ îìõŠðì£î àô˜‰îˆ î¬ôº®e¶ «îŒˆ¶, Üî¬ù è£A‡´èÀ‚° ܼ«èªè£‡´ ªê™ô¾‹. â¡ù Gè›Aø¶ â¡ð¬î‚èõQ‚辋.

M÷‚è‹

  ðÖ¬ùˆ î¬ôº®J™ «îŒ‚°‹ «ð£¶ ðÖQ¡ e¶ âF˜ I¡Û†ì‹ ªðøŠð´õ,è£AîƒèO™ «ï˜ I¡Û†ì‹ ɇìŠð†´ ðÖ¡ è£A‡´è¬÷ ߘ‚Aø¶. Þî¡M¬÷õ£™ è£A‡´èœ ðÖ¡ e¶ 冮‚ ªè£œAø¶.

Mù£‚èœ1. â‡ªíŒ îìõŠð†ì Ü™ô¶ ßóñ£ùˆ î¬ôº® e¶ «îŒ‚èŠð†ì ðÖ¡ «ðŠð˜

¶‡´è¬÷ ߘ‚è£î¶ ã¡?

2. û£‹¹ «îŒˆ¶ °Oˆî H¡¹, î¬ôº® ï¡° àô˜‰¶ Þ¼‚°‹ «ð£¶, î¬ôº®¬òŠð®ò õ£ó º®ò ã¡?

3. Þ®, I¡ù™ à¼õ£õ¶ âšõ£Á?

59. ðÖ¡ 裉î‹

www.indiasudar.org   59

Page 68: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 68/110

«ï£‚è‹

  I¡Û†ì‹ ðŸP ñ£íõ˜è¬÷ ÜPò„ ªêŒî™.

«î¬õŠð´‹ ªð£¼†èœ

  Þó‡´ v†ó£, YŠ¹, °‡ÇC, è‹ðOˆ¶‡´, CPò ¶‡´ ªñ¿°õ˜ˆF.

ªêŒº¬ø

  °‡ÇC¬ò Üî¡ Ã˜º¬ù ªõO«òªîK»‹õ‡í‹ ªñ¿°õ˜ˆFJ™ ªð£¼ˆ¶è.

å¼ v†ó£M¡ ï´M™ å¼ CPò ¶¬÷ Þ†´,v†ó£ âOF™ ²ö½‹ õ‡í‹ °‡ÇCJ¡ e¶¬õ‚辋. H¡ù˜, ¶¬÷J†ì v†ó£M¡ 强¬ù¬ò‚ è‹ðOˆ¶EJ™ «îŒˆ¶‚ªè£œ÷¾‹. «îŒ‚èŠð†ì ð°F à¡ Mó™èO™ðì£îõ‡í‹ Üî¬ù °‡ÇCJ™ ªð£¼ˆî¾‹.ñŸªø£¼ v†ó £¬õ â´ˆ¶ Üî¬ù‚è‹ðOˆ¶EJ™ ï¡° «îŒˆ¶ «îŒ‚èŠð†ìð°F¬ò, °‡ÇCJ™ ªð£¼ˆîŠð†´œ÷v†ó£M¡ ܼ«è ªè£‡´ ªê™ô¾‹. ÞŠ«ð£¶

â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  è‹ðOˆ¶EJ™ «îŒ‚èŠð†ì v†ó£¬õ‚ ªè£‡´ ªê™½‹ «ð£¶, °‡ÇCJ™ªð£¼ˆîŠð†ì v†ó£ MôA„ªê™õ¬î‚ è£íô£‹. v†ó£¬õ‚ è‹ðOˆ¶EJ™«îŒ‚°‹ «ð£¶ ÜF™ âF˜ I¡Û†ì‹ ãŸð´Aø¶. Þó‡´ v†ó£‚èO½‹ å«óõ¬èò£ù âF˜ I¡Û†ì‹ Þ¼Šð Þó‡´‹ 塬øªò£¡Á Mô‚°Aø¶.

  æKù I¡Û†ìƒèœ 塬øªò£¡Á Mô‚°‹ â¡ð Þ¶ Iè„Cø‰î àî£óí‹Ý°‹.

Mù£‚èœ

1. I¡Û†ì‹, I¡«ù£†ì‹ Þó‡´‹ å¡ø£?

2. ï¡° àô˜‰î ªêòŸ¬è Þ¬ö Ü™ô¶ ð†´ˆ¶E¬ò ÜE»‹ «ð£¶ ¬èJ™ àœ÷º®èœ °ˆF†´ GŸð¶ ã¡?

 

Science Experimental Based Learning & Awareness Ver. 2.0

60. Mô°‹ v†ó£

www.indiasudar.org60

Page 69: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 69/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªõŠðˆî£™ ªð£¼†èœ MKõ¬ì»‹ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  è‡í£®‚ °´¬õ, ̧ ‡¹¬ö‚ è‡í£®‚ °ö£Œ, å¼ ¶¬÷ ܬìŠð£¡, è‡í£®ð£†®™, ðÖ¡, c˜.

ªêŒº¬ø

  è‡í£®‚ °´¬õJ™ c¬ó GóŠH, Üî¬ù å¼ ¶¬÷

ܬìŠð£ù£™ Í쾋. ܬìŠð£Q™ àœ÷ ¶¬÷J¡ õN«ò¸‡¹¬ö‚ è‡í£®‚ °ö£¬ò„ ªê¼è¾‹. è‡í£®‚°ö£JÂœ c˜ CPî÷¾ ãP GŸð¬î‚ èõQ‚辋. cK¡ñ†ìˆ¬î‚ °Pˆ¶‚ ªè£œ÷, ÜšMìˆF™ å¼ Ë¬ô‚ è†ì¾‹.å¼ ºè¬õJ™ àœ÷ ²´cK™ î‡a˜ àœ÷ è‡í£®‚°´¬õ¬ò ¬õ‚辋. H¡ â¡ù Gè›Aø¶ â¡ð¬î‚èõQ‚辋.

  è‡í£® 𣆮¬ô â´ˆ¶‚ ªè£‡´, Üî¡ õ£ŒŠð°FJ™ðÖ¬ù‚ è†ì¾‹. ÞŠ«ð£¶ è‡í£®Š 𣆮¬ô„ Åì£ù c˜àœ÷ ºè¬õJ™ ¬õ‚辋. H¡ù˜ â¡ù Gè›Aø¶ â¡ð¬î‚

èõQ‚辋.

M÷‚è‹

  è‡í£®‚ °´¬õ¬ò Åì£ù c˜ àœ÷ ð£ˆFóˆF™ ¬õ‚°‹ «ð£¶, è‡í£®‚°ö£JÂœ c˜ ñ†ì‹ àò˜õ¬î‚ è£íô£‹. °´¬õJÂœ àœ÷ c˜ ªõŠðˆî£™MKõ¬ìõ, è‡í£®‚ °ö£JÂœ c˜ ñ†ì‹ àò˜Aø¶.

  õ£ŒŠ ð°FJ™ ðÖ¡ è†ìŠð†ì 𣆮¬ô„ Åì£ù c˜ àœ÷ ð£ˆFóˆF™¬õ‚°‹«ð£¶, 𣆮™ ªõŠðñ¬ìõ, 𣆮L¡ à†¹ø‹ àœ÷ 裟Á‹ªõŠðñ¬ì‰¶ MKõ¬ìAø¶. Þî¡ M¬÷õ£™ ðÖ¡ áîŠð†ì¬îŠ «ð£¡ÁªðKî£Aø¶.

Mù£‚èœ

1. ÞóJ™ î‡ìõ£÷ƒèœ ܬñ‚°‹ «ð£¶, ÜõŸPŸ° Þ¬ì«ò CÁ Þ¬ìªõOÞ¼‚°ñ£Á ܬñ‚èŠð´õ¶ ã¡?

2. è‡í£®Š 𣆮L™ àœ÷ Í®¬òˆ Fø‚è º®ò£î «ð£¶ Üî¡ º¬ùŠ ð°F¬òªõŠðŠð´ˆ¶õ¶ ã¡?

61. Fóõƒèœ ñŸÁ‹ õ£»‚èO¡ MK¾

www.indiasudar.org   61

Page 70: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 70/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªõŠð‚ 裟P¡ Ü예F ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  ܽIQò èŠ (꣊𣴠ð£˜ê™ ªêŒòŠ ðò¡ð´õ¶) 2,Ë™, CPò °„C, bŠªð†®, ªñ¿°õ˜ˆF.

ªêŒº¬ø

  ܽIQò èŠH¡ ¬ñòˆF™ CPò ¶¬÷J쾋.

܈¶¬÷J¡ õNò£è ËL¬ù èŠH¡ H¡¹ø‹ êŸÁ c÷ñ£èM†´ Ë™, èŠH¬ù M†´ HKò£î õ‡í‹ Þó‡´ Ü½IQò 芹è¬÷»‹ îQˆîQ«òîò£˜ ªêŒ¶ ªè£œ÷¾‹. å¼ °„CJ¡ Þ¼ º¬ùèO½‹ Þó‡´ èŠ¹è¬÷»‹ Þ¬íˆîËL¬ùˆ è†ì¾‹. èŠð£ù¶ èM›ˆ¶ ¬õ‚èŠð†ì¶ «ð£ô êñ àòóˆF™ Þ¼‚°ñ£ÁËL¬ù‚ è†ì «õ‡´‹. å¼ «ñ¬êJ¡ e¶ ªñ¿°õ˜ˆF¬òŠ ðŸø ¬õˆ¶‚ ªè£‡´,ï¡° âKò M쾋. ܽIQò 芹è¬÷‚ 膮ò °„CJ¡ ¬ñòˆF™ ËL¬ù‚ è†®èŠ¹èœ êññ£è àœ÷î£ âù àÁF ªêŒ¶ ªè£œ÷ «õ‡´‹. ã«î‹ å¼ èŠH¬ùªñ¿°õ˜ˆFJ¡ ²ìK™ ðì£ñ™ Ü êÁ àò«ó ¬õ‚è «õ‡´‹. èŠð£ù¶ î£ù£è«ñ™«ï£‚A ïè˜õ¬î‚ è£íô£‹.

M÷‚è‹  ªñ¿°õ˜ˆFò£ù¶ âK»‹«ð£¶, Üî¡ ²ìK¬ù„ ²ŸP ðóM»œ÷‚ 裟ø£ù¶“ªõŠð„êôù‹” è£óíñ£è ªõŠðñ¬ìA¡øù. Åì£ù 裟ø£ù¶ õOñ‡ìô‚ 裟P¡Ü예F¬ò Mì °¬øõ£ùî£è Þ¼Šð «ñ™ «ï£‚A ïèóˆ ªî£ìƒ°Aø¶. Åì£ù裟Á «ñ«ô ªê™½‹ «ð£¶ Üî¡ ð£¬îJ™ î¬ìò£è àœ÷ ܽIQò èŠH¡ e¶ «ñ™«ï£‚A Ü¿ˆîˆ¬î ãŸð´ˆ¶Aø¶. Åì£ù 裟Á ãŸð´ˆ¶‹ Ü¿ˆî‹ è£óíñ£èܽIQò èŠð£ù¶ «ñ™«ï£‚A ïè˜Aø¶. Þî¡ Íô‹ ªõŠð‚裟PŸ° Ü예F °¬ø¾â¡ð¬î ÜPòô£‹.

°PŠ¹

ªõŠð„êôù‹

  å¼ ªð£¼O¡ ªõŠð‹ I°‰î ð°FJ™ Þ¼‰¶ ªõŠð‹ °¬ø‰î ð°F‚°Íô‚ÃÁèO¡ êôùˆî£™ (Þò‚è‹) ªõŠð‹ ðó¾î½‚° ªõŠð„êôù‹ â¡Á ªðò˜.

Mù£‚èœ

1. ªõŠð‚ 裟PŸ° ã¡ Ü예F °¬ø¾?

2. ªõŠð‚ 裟Á GóŠðŠð†ì ðÖù£ù¶ õOñ‡ìô‚ 裟P™ «ñ™ «ï£‚A àòóñ£èŠðø‚A¡ø¶. Ýù£™ °O˜‰î 裟Á GóŠðŠð†ì ðÖ¡èœ Üšõ£Á ðøŠðF™¬ô ã¡?

62. î£ù£è ²ŸÁ‹ îè´

www.indiasudar.org62

Page 71: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 71/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªõŠð„ êôù‹ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  è‡í£® ì‹÷˜, ªñ¿°õ˜ˆF, c˜, bŠªð†®, ªð£†ì£Cò‹ ªð˜ñ£ƒè«ù†.

ªêŒº¬ø

  ì‹÷K™ CPî÷¾ °O˜‰î c¬ó â´ˆ¶‚ ªè£‡´ ÜF™CPî÷¾ ªð£†ì£Cò‹ ªð˜ñ£ƒè«ù†¬ì Þ쾋. H¡

ì‹÷¬ó CPî÷¾ ªõŠðŠð´ˆî¾‹. â¡ù Gè›Aø¶â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  cK¡ Ü®Šð°FJ™ àœ÷ c˜ Íô‚ÃÁèœ ªõŠð‹Ü¬ì‰¶ Üî¡ Þò‚è ÝŸø™ ÜFèK‚A¶. Þîù£™ W›ð°FJ™ àœ÷ c˜ MKõ¬ì‰¶«ôê£A cK¡ «ñ™ð°F‚° õ¼Aø¶. «ñŸð°FJ™ àœ÷ c˜ Íô‚ÃÁèœ ªï¼‚舶ì¡Þ¼Šð ܬõ èùñ£è Þ¼‚°‹. Þîù£™ «ñ™ð°FJ™ c˜ Íô‚ÃÁèœ W«öªê™Aø¶. Þƒ° Íô‚ÃÁèO¡ Þò‚è‹ ªî£ì˜‰¶ ï¬ìªðÁAø¶. Íô‚ÃÁè«÷£´«ê˜‰¶ áî£ Gøº‹ «ñ«ô ªê™Aø¶.

°PŠ¹

ªõŠð„êôù‹

  å¼ ªð£¼O¡ ªõŠð‹ I°‰î ð°FJL¼‰¶ ªõŠð‹ °¬ø‰î ð°F‚° ¶èœèO¡êôùˆî£™ (Þò‚è‹) ªõŠð‹ ðó¾î½‚° ªõŠð„êôù‹ â¡Á ªðò˜.

Mù£‚èœ

1. ªõŠð„ êôù‹ â¡ø£™ â¡ù?

2. èì™ è£ŸÁ ñŸÁ‹ Gô‚裟Á âšõ£Á à¼õ£Aø¶?

63. ªõŠð„ êôù‹

www.indiasudar.org   63

Page 72: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 72/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªõŠð„ êôù‹ ðŸP»‹ Íô‚ÃÁ ªêò™ð£†¬ìŠ ðŸP»‹ ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  Þó‡´ H÷£v®‚ èŠ, Þó‡´ âõ˜C™õ˜ ì‹÷˜, °O˜‰î c˜, ªõ‰c˜, Þó‡´°‡ÇC.

ªêŒº¬ø

  Þó‡´ C™õ˜ ì‹÷˜èO™ å¡P™ °O˜‰î c¼‹, ñŸªø£¡P™ ªõ‰c¼‹ â´ˆ¶‚

ªè£œè. Þó‡´ ïð˜è¬÷ ܬöˆ¶ 嚪õ£¼õ˜ ¬èJ½‹ H÷£v®‚ 芬ð‚ªè£´‚辋. å¼ H÷£v®‚ èŠH™ ªõ‰c¬ó»‹, ñŸªø£¼ èŠH™ °O˜‰î c¬ó»‹áŸø¾‹. H¡ù˜ °‡ÇCè¬÷ â´ˆ¶ Þó‡´ H÷£v®‚ èŠH¡ Ü®Šð°FJ™ å«ó«ïóˆF™ ¶¬÷ Þ쾋. â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  Þó‡´ èŠH½‹ êñ Ü÷¾ c¼‹ êñ Ü÷¾ ¶¬÷»‹ ÞìŠð†ì «ð£F½‹, ªõ‰c˜Íô‚ÃÁèœ ªõŠðêôù‹ è£óíñ£è Þ싪ðò˜‰¶ ªè£‡«ì Þ¼‚°‹. Þîù£™ ªõ‰c˜àœ÷ èŠH™ Þ¼‰¶ c˜ «õèñ£è õ‰¶ M¿Aø¶. Ýù£™, °O˜‰î cK™ Íô‚ÃÁèœI辋 ªï¼‚èñ£è‚ è£íŠð´õ, °O˜‰î c˜ àœ÷ èŠH™ Þ¼‰¶ c˜ ªñ¶õ£è õ‰¶

M¿Aø¶.

°PŠ¹

ªõŠð„êôù‹

  å¼ ªð£¼O¡ ªõŠð‹ I°‰îŠ ð°FJL¼‰¶ ªõŠð‹ °¬ø‰îŠ ð°F‚°ˆ¶èœèO¡ êôùˆî£™ (Þò‚è‹) ªõŠð‹ ðó¾î½‚° ªõŠð„ êôù‹ â¡Á ªðò˜.

Mù£‚èœ

1. «è£¬ìè£ôˆF™ ìó I¡MCPJ™ Þ¼‰¶ õ¼‹ 裟¬øMì «ñ¬ê MCPJ™

Þ¼‰¶ õ¼‹ 裟Á °O˜„C«ò£´ Þ¼Šðî¡ è£óí‹ â¡ù?

64. ªõ‰có£? °O˜‰î có£?

www.indiasudar.org64

Page 73: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 73/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  à«ô£èƒèO™ ªõŠð‚ èìˆî¬ô ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  °‡ÇCèœ, ªñ¿°õ˜ˆF, bŠªð†®, Ý‚ú£ H«÷´.

ªêŒº¬ø

  °‡ÇCè ¬÷ â´ˆ¶ ‚ ªè £‡´ªñ¿¬èŠ ðò¡ð´ˆF Ý‚ú£ H«÷®™ êñ

Þ¬ìªõO M†´ å†ì ¬õ‚辋. Üî¡H ¡ ù ˜ ª ñ ¿ ° õ ˜ ˆ F J ¡ ² ì K ™Ý‚ú£H«÷®¡ å¼ º¬ù¬ò ñ†´‹ªõŠðŠð´ˆî¾‹. â¡ù Gè›Aø¶â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  Ý‚ú£ H«÷´ å¼ à«ô£è‹. ªñ¿õ˜ˆFJ¡ ²ìK™ Þî¡ º¬ù¬ò ªõŠðŠð´ˆ¶‹«ð£¶ ªõŠðñ£ù¶ Üî¡ å¼ º¬ùJL¼‰¶ ñÁº¬ù‚° "ªõŠð‚èìˆî™" Íô‹ Yó£èŠðó¾Aø¶. Þî¡ M¬÷õ£™ Ý‚ú£ H«÷®™ àœ÷ ªñ¿° à¼A °‡ÇCèœ

ªõŠðŠð´ˆîŠð´‹ º¬ùJ™ Þ¼‰¶ ªî£ìƒA 嚪õ£¡ø£è Möˆªî£ìƒ°‹.

°PŠ¹

  F슪ð£¼O™ å¼ Íô‚ÃPL¼‰¶ ñŸªø£¼ Íô‚ÃÁèÀ‚° Íô‚ÃÁèO¡Þò‚èI¡P ªõŠð‹ ðó¾î½‚° ªõŠð‚ èìˆî™ â¡Á ªðò˜.

Mù£‚èœ

1. ê¬ñò™ ªêŒõŠ ðò¡ð´‹ ð£ˆFóƒèœ à«ô£èƒèO™ ªêŒòŠð†®¼Šð¶ ã¡?

65. 冮J¼‚°‹ °‡ÇC W«ö M¿î™

www.indiasudar.org   65

Page 74: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 74/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟Á ªõŠðˆî£™ MKõ¬ì»‹ â¡ð¬î»‹, c¼‚° î¡ ªõŠð 㟹ˆ Fø¡Þ¼‚A¡ø¶ â¡ð¬î»‹ ÜP‰¶ ªè£œ÷™.

«î¬õŠð´‹ ªð£¼†èœ

  ªñ¿°õ˜ˆF, bŠªð†®, Þó‡´ ðÖ¡èœ, c˜ 

ªêŒº¬ø

  Þó‡´ ðÖ¡èO™ å¡P™ 裟¬ø GóŠð¾‹. ñŸªø£¡P™ c¬óGóŠH‚ 膮‚ ªè£œ÷¾‹. ªñ¿°õ˜ˆF¬òŠ ðŸø ¬õˆ¶, 裟ÁGóŠHò ðÖ¬ù ªñ¿°õ˜ˆFJ¡ ²ìK™ 裆쾋. â¡ù Gè›Aø¶â¡ð¬î àŸÁ èõQ‚辋. H¡ù˜ c˜ Gó‹Hò ðÖ¬ùªñ¿°õ˜ˆFJ¡ ²ìK™ 裇H‚辋. Þ‹º¬ø â¡ù Gè›Aø¶â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  裟Á GóŠHò ðÖ¬ù ªï¼ŠH™ 裇H‚°‹ «ð£¶ ܶ àì«ù ªõ®ˆ¶M´Aø¶.ãªùQ™, 裟PŸ° ªõŠðˆî£™ MKõ¬ì»‹ ð‡¹ àœ÷¶. 裟Á GóŠðŠð†ì ðÖ¬ùªñ¿°õ˜ˆF„ ²ìK™ 裇H‚°‹ «ð£¶, 裟ø£ù¶ ªõŠðˆî£™ MKõ¬ì»‹. Þšõ£ÁMKõ¬ì»‹ 裟ø£ù¶ ðÖQ¡ Þ«ôê£ù ²õ˜è¬÷ ªõO«ï£‚Aˆ îœÀõ ðÖ¡ªõ®‚Aø¶. ðÖ¡ ªõ®ˆî¾ì¡ ªõOŠð´‹ 裟ø£ù¶ ªñ¿°õ˜ˆF¬ò ܬ툶M´Aø¶.

  Ü«î «ð£™, î‡a˜ GóŠðŠð†ì ðÖ¬ù ªï¼ŠH™ 裇H‚°‹ ªð£¿¶, ðÖù£ù¶CP¶ «ïóˆFŸ° ªõ®‚è£ñ™ Þ¼‚°‹. ãªùQ™ c¼‚° î¡ ªõŠð 㟹 Fø¡ â¡Â‹ð‡¹ àœ÷¶. Þîù£™ ðÖ‚°‚ ªè£´‚è‚îò ªõŠð‹ º¿õ¬î»‹ ðÖQ¡à†¹ø‹ àœ÷ c˜ â´ˆ¶‚ªè£œAø¶. c˜ å¼ °PŠH†ì Ü÷¾ ªõŠðˆ¬î ñ†´‹ â´ˆ¶‚ªè£œAø¶. Ü «ñ™ ªè£´‚èŠð´‹ ªõŠð‹ ðÖ‚°‚ èìˆîŠð´õ ðÖ¡ªõ®ˆ¶ M´Aø¶. có£ù¶ 4180 ü¨™/AA/ªè™M¡ õ¬ó ªõŠðˆ¬î â´ˆ¶‚ªè£œÀ‹.Ü «ñ™ ªõŠðˆ¬î‚ ªè£´ˆî£™ có£ù¶ ÝMò£A M´‹.

°PŠ¹î¡ ªõŠð 㟹ˆ Fø¡

  å¼ A«ô£ Aó£‹ G¬ø»œ÷ ªð£¼O¡ ªõŠðG¬ô¬ò å¼ ªè™M¡ àò˜ˆ¶õˆ«î¬õŠð´‹ ªõŠð ÝŸøL¡ Ü÷¾ î¡ ªõŠð 㟹ˆFø¡ âùŠð´‹.

Mù£‚èœ

1. õ£èù «ó®«ò†ì˜èO™ (°O˜MŠð£¡) c¬ó»‹, ªõŠðG¬ô ñ£QJ™ ð£îóꈬðò¡ð´ˆ¶õ¶ ã¡?

2. bò¬íŠ¹ ió˜èœ b¬ò ܬ킰‹ «ð£¶ îƒèœ ݬìèO™ î‡a˜ áŸP‚ªè£œõ¶ ã¡?

66. ªï¼ŠH™ 裇Hˆî£½‹ ªõ®‚è£î ðÖ¡

www.indiasudar.org66

Page 75: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 75/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  å¼ Cô F슪𣼆è¬÷ ªõŠðŠð´ˆ¶‹ «ð£¶, ܬõ Fóõ G¬ô‚°„ ªê™ô£ñ™«ïó®ò£è õ£» G¬ô‚° ñ£Á‹ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  ªñ¿°õ˜ˆF, bŠªð†®, A, YùˆîèN, è‡í£®Š ¹ù™, ð…², èŸÌó‹

ªêŒº¬ø

  èŸÌóˆ¬îˆ É÷£‚A, YùˆîèNJ™ Þ쾋.

YùˆîèN¬ò AJ™ ¬õˆ¶, è‡í£®Š¹ùL¡ °Áèô£ù ð°FJ™ CPî÷¾ ð…¬ê¬õˆ¶ Í®, ¹ù¬ô‚ ªè£‡´ YùˆîèN¬òÍ쾋. ªñ¿°õ˜ˆF¬òŠ ðŸø ¬õˆ¶,YùˆîèN¬ò ªõŠðŠð´ˆî¾‹, â¡ù Gè›Aø¶â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  Yùˆ îèN¬ò ªõŠðð ´ˆ¶‹ « 𠣶 ,YùˆîèNJ™ àœ÷ èŸÌóñ£ù¶ ªõŠðñ¬ì‰¶,

Fóõñ£è ñ£ø£ñ™, «ïó®ò£è õ£» G¬ô‚°ñ£ÁAø¶. Þ‰î õ£»õ£ù¶ ªõO«òø£ñ™ Þ¼‚è‚ è‡í£®Š ¹ù¬ôˆ î¬ôWö£è‚èM›ˆ¶ ¬õˆ¶‚ ªè£œ÷¾‹. ¹ùL¡ °Áèô£ùŠ ð°FJ™ ð…¬ê ¬õˆ¶Ü¬ìˆ¶œ÷, õ£» G¬ô‚°„ ªê¡ø èŸÌó‹ °O˜‰¶ ¹ùL¡ à†ð°FJ™ ð®Aø¶.

°PŠ¹

ðîƒèñ£î™ : å¼ F슪𣼬÷ ªõŠðŠð´ˆ¶‹ «ð£¶ ܶ FóõG¬ô‚° ñ£ø£ñ™«ïó®ò£è õ£» G¬ô‚° ñ£Á‹ G蛾 ðîƒèñ£î™ â¡Á ªðò˜.

ð®î™ :  õ£» G¬ôJ™ àœ÷ å¼ ªð£¼¬÷ °O˜M‚°‹ «ð£¶ ܶ Fóõ G¬ô‚°

ñ£ø£ñ™ «ïó®ò£è FìG¬ô‚° ñ£Á‹ G蛾 “ð®î™” âùŠð´‹.

Mù£‚èœ

1. ðîƒèñ£î™ â¡ø£™ â¡ù?

2. Å«ìŸÁ‹ «ð£¶ ≪î‰îˆ FìŠªð£¼†èœ «ïó®ò£è õ£» G¬ô‚° ñ£ÁAø¶?

3. Üôñ£KJ™ ÞìŠð´‹ ï£çŠîh¡ ༇¬ì CP¶ èO™ ñ¬øõ¶ âšõ£Á?

67. ðîƒèñ£î™ «ê£î¬ù

www.indiasudar.org   67

Page 76: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 76/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  «ñè‹ à¼õ£î™ ðŸP ÜPî™

«î¬õŠð´‹ ªð£¼†èœ

  ܬó L†ì˜ H÷£v®‚ 𣆮™, î‡a˜, bŠªð†®, Í¡Á á¶ðˆFèœ.

ªêŒº¬ø

  ܬó L†ì˜ H÷£v®‚ 𣆮L™ CPî÷¾ˆ î‡a¬ó áŸP‚ ªè£œÀƒèœ.𣆮¬ô Í® ï¡ø£è‚ °½‚°ƒèœ. Hø° î‡a¬ó‚ ªè£†® M´ƒèœ. Í¡Á

á¶ðˆFè¬÷ å¡ø£è ¬õˆ¶ âKò M†´ ܬ툶 M´ƒèœ. ÞŠ«ð£¶ á¶ðˆFJL¼‰¶ õ¼‹ ¹¬è¬òŠ 𣆮½‚°œ ªê™½ñ£Á ¬õ»ƒèœ. ¹¬è ªõO«òªê¡Á Mì£ñ™ Í®ò£™ 𣆮¬ô ÞÁ‚èñ£è Í®‚ ªè£œÀƒèœ. ÞŠ«ð£¶ Þ¼¬èè÷£½‹ 䉶 º¬ø 𣆮™ ﲃ°‹ Ü÷¾‚° Ü¿ˆ¶ƒèœ. è¬ìCò£è 𣆮¬ôÜ¿ˆ¶‹ «ð£¶, CP¶ «ïó‹ Ü¿ˆFM†´ H¡ù˜ ¬èè¬÷ â´ˆ¶ M´ƒèœ. 𣆮¬ôÜ¿ˆ¶õ¬î M†ì¾ì¡ 𣆮½‚°œ ¹¬èÍ†ì‹ à¼õ£J¼Šð¬î‚ è£íô£‹.

M÷‚è‹

  𣆮L™ 裟Á G¬ø‰F¼‚Aø¶. CPî÷¾ î‡a¬ó áŸP °½‚A ܬ裆®ò¾ì¡ 𣆮½‚°œ 裟«ø£´ «ê˜‰¶ c˜ Íô‚ÃÁèÀ‹ Þ¼‚°‹. c˜, 裟Á

Íô‚ÃÁèœ å¡ªø£ªì£¡Á 冮‚ ªè£œ÷£¶. êŸÁˆ îœO«ò Þ¼‚°‹ 𣆮L¡ð‚èõ£†¬ì Ü¿ˆFò¾ì¡ Íô‚ÃÁèœ Ü¿ˆîˆî£™ å¡ø£è ܼ輫è õ¼‹.𣆮¬ô Ü¿ˆ¶õ¬î M†ì¾ì¡ àœOJ¼‚°‹ 裟Á F¯ªóù MKõ¬ìAø¶.Þšõ£Á ªêŒ»‹ «ð£¶ 裟P™ ªõŠðG¬ô‚ °¬øAø¶. Þ‰î ªõŠðG¬ô °¬ø»‹Gè›õ£ù¶ 裟Á Íô‚ÃÁè¬÷ å¡ø£è 冮‚ ªè£œÀñ£Á ªêŒ¶ M´Aø¶. Þîù£™Iè ̧ ‡Eò c˜ˆFõ¬ôèœ à¼õ£A¡øù.

  𣆮½‚°œ á¶ðˆFJL¼‰¶ ªõOõ‰î ¹¬è, c˜ˆFõ¬ôè¬÷ à¼õ£‚è àîMªêŒAø¶. 𣆮½‚°œ«÷ Fì G¬ôJ™ àœ÷ ¹¬èˆ ¶èœèœ è¼õ£è„ªêò™ð´A¡øù. ܈¶èœè¬÷„ ²ŸP c˜ Íô‚ÃÁèœ å¼ Ã†ìñ£è âOî£è

à¼õ£A¡øù. 臵‚°ˆ ªîKò£î ¹¬èˆ¶èœèœ è¼õ£è„ ªêò™ð†´Š ¹¬è͆ìñ£èˆ «î£¡Áõ õNõ°ˆ¶ M´Aø¶. Þ‰îŠ ¹¬è«ò 𣆮½‚°œ «ñèñ£èˆ«î£¡ÁAø¶.

Mù£‚èœ

1. õOñ‡ìôˆFŸ° «ñ«ô è£íŠð´‹ «ñè‹ âšõ£Á à¼õ£A¡øù?

68. 𣆮½‚°œ õ‰î «ñè‹

www.indiasudar.org68

Page 77: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 77/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裉î ÝŸø™ ñŸÁ‹ ߘ‚°‹ ñ¬òŠ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  êññ£ù Ü÷¾, ð¼ñ¡, õ®õ‹ ªè£‡ì å¼ è£‰î‹ ñŸÁ‹ æ˜ Þ¼‹¹ˆ ¶‡´.

ªêŒº¬ø

  æ¼ Þ¼‹¹ˆ¶‡¬ì»‹, è£‰îˆ ¶‡¬ì»‹ ñ†´‹ ¬õˆ¶ â¶ è£‰î‹ â¶ Þ¼‹¹â¡Á âšõ£Á 致H®Šð¶?

  å¼ Þ¼‹¹ˆ ¶‡¬ì «ñ¬êJ™ ¬õˆ¶, Üî¡ å¼ º¬ù¬ò ñŸªø£¼ ¶‡®¡ 强¬ù¬ò ܼA™ ªè£‡´ õ‰¶ ߘ‚A¡øî£? âùŠ 𣼃èœ. Þ«î «ð£ô ñÁº¬ùJ½‹ ªî£†´ 𣘂辋. «ñ¬êJ™ àœ÷ ¶‡®¡ ¬ñòˆF™ ñŸªø£¼ ¶‡®¡º¬ùò£™ ªî£†´ ߘ‚Aøî£? Ü™ô¶ ߘ‚è M™¬ôò£? âùŠ 𣼃èœ.

M÷‚è‹

  ºîL™ Þó‡´ ¶‡®¡ º¬ùè¬÷ ܼA™ ªè£‡´ õ¼‹ «ð£¶ 冮‚ªè£œõ¬î‚ è£íô£‹. Þ«î «ð£™ ñÁº¬ùJ½‹ 冮‚ ªè£œõ¬î‚ è£íô£‹.ãªùQ™ å¼ è£‰îˆF¡ ߘ‚°‹ ÝŸø™ Üî¡ º¬ùJ™  ªêP‰F¼‚Aø¶.

  «ñ¬êJ™ àœ÷ ¶‡®¡ ¬ñòˆF™ ªî£´‹ «ð£¶ Þó‡´‹ 冮‚ ªè£‡ì£™¬èJ™ Þ¼Šð¶ 裉î‹. î¬óJ™ Þ¼Šð¶ Þ¼‹¹. ¬ñòˆF™ ªî£´‹ «ð£¶ 冮‚ªè£œ÷M™¬ô â¡ø£™ ¬èJ™ Þ¼Šð¶ Þ¼‹¹. «ñ¬êJ™ Þ¼Šð¶ 裉î‹.

°PŠ¹

  裉î ÝŸø™ ªêP‰F¼‚°‹ ð°F«ò è£‰î º¬ù Ü™ô¶ ¶¼õ‹. ªêšõè õ®õÜ™ô¶ ༬÷ õ®õ 裉îƒèO™ c÷õ£‚A™ Üî¡ º¬ùèO™ õì, ªî¡ ¶¼õƒèœÜ¬ñ‰¶œ÷ù.

Mù£‚èœ

1. å¼ è£‰îˆF¡ õì, ªî¡ º¬ùè¬÷ ÜP‰¶ ªè£œõ¶ âšõ£Á?

2. èŠð™ ðòíˆF¡ «ð£¶ F¬ê¬ò ÜP‰¶‚ ªè£œ÷ è£‰î‹ ðò¡ð´ˆ¶õ¶ ã¡?

69. Þ¼‹ð£? 裉îñ£?

www.indiasudar.org   69

Page 78: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 78/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªï‹¹«è£L¡ õˆ¬îŠ ðŸP ÜPî™

«î¬õŠð´‹ ªð£¼†èœ

  30 ªê.e Ü÷¾œ÷ Ü÷¾„ê†ì‹ (v«è™) å¼ Ï𣌠ܙô¶ Þó‡´ Ïð£Œï£íòƒèœ-20, å¼ ªð¡C™

ªêŒº¬ø

  ªð¡C¬ô «ñ¬êJ¡ e¶ ¬õˆ¶, 6 ªê.e

°Pf†®™ Þ¼‚°ñ£Á Ü÷¾„ ê†ìˆ¬îŠªð¡C™ «ñ™ ¬õˆ¶‚ ªè£œÀƒèœ. Ü÷¾„ê†ìˆF¡ 0 ªê . e º¬ùJ™ ðˆ¶ï£íòƒè¬÷ Ü´‚A ¬õ»ƒèœ. ÞŠ«ð£¶ï£íòƒèœ Ü´‚A ¬õ‚èŠð†ì º¬ù‰¶ «ñ¬ê¬òˆ ªî£´õ¬î‚ è£íô£‹.ñÁº¬ù àò˜‰¶ Þ¼Šð¬î»‹ è£íô£‹.ÞŠ«ð£¶ Ü÷¾„ ê†ìˆF¡ 30 ªê.e °Pf†®™ å¼ ï£íòˆ¬î ¬õ‚辋. ÞŠ«ð£¶ ðˆ¶ï£íòƒèœ ¬õ‚èŠð†ì º¬ù àò˜‰¶ Þ¼Šð¬î‚ è£íô£‹. Þ â¡ù è£óí‹?

M÷‚è‹  ªð¡C™ «ñ™ Ü÷¾„ê†ì‹ ܬñ»‹ ¹œO, Ýî£óŠ ¹œOò£°‹. ðˆ¶ ï£íòƒèO¡â¬ì¬òŠ ðÀ â¡Á‹ å¼ ï£íòˆF¡ â¬ì¬òˆ Fø¡ â¡Á‹ ܬö‚èŠð´A¡øù.Ýî£óŠ ¹œOJL¼‰¶ ðÀ àœ÷ ªî£¬ô¾ ðÀŠ¹ò‹. Ýî£óŠ ¹œOJL¼‰¶ Fø¡ªêò™ð´‹ ªî£¬ô¾ Fø¡¹ò‹.

  ðÀXðÀ¹ò‹=Fø¡ XFø¡¹ò‹. æ˜ âO¬ñò£ù Þò‰FóˆF™ Þ‰î ªï‹¹«è£™îˆ¶õ‹ ªêò™ð´Aø¶. °¬ø‰îˆ ªî£¬ôM™ àœ÷ ÜFè â¬ì ªè£‡ì ï£íòƒè¬÷àò˜ˆî ÜFè ªî£¬ôM™ °¬ø‰î â¬ì Ü™ô¶ M¬ê¬ò„ ªê½ˆFù£«ô «ð£¶‹.ªï‹¹«è£L¡ õŠð® «ê£î¬ùJ™ Ýî£óŠ¹œOL¼‰¶ 6 ªê.e ªî£¬ôM™ àœ÷ 10

ï£íòƒè¬÷ 24 ªê.e ªî£¬ôM™ àœ÷ å¼ ï£íòˆF™ É‚A Mì º®»‹. ãªùQ™Þƒ° ªï‹¹«è£™ MF G¬ø¾ ªêŒòŠð´Aø¶.

Mù£‚èœ

1. ÜFè â¬ì ªè£‡ì ð£¬ø¬ò ï蘈î CÁ 虬ô»‹, èìŠð£¬ó¬ò»‹ ðò¡ð´ˆ¶õ¶ã¡?

70. ðÀ¬õˆ É‚°‹ ð«ô v«è™

www.indiasudar.org70

Page 79: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 79/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  à콋, ñùº‹ «ê˜‰¶ ÞòƒAù£«ô ªêò™èœ ªõŸPèóñ£è ï¬ìªðÁ‹ â¡ð¬îÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  ð¬öò «ï£†´ ܆¬ì Ü™ô¶ ð¬öò «ð£v† 裘´.

ªêŒº¬ø

  å¼õ˜ ¬èJ™ «ï£†´ ܆¬ì¬ò‚ ªè£´ˆ¶ H®‚è„ ªê£™ô¾‹. ñŸªø£¼õ¬ó

ܬöˆ¶ ܆¬ìJ¡ Þ¼ð‚躋 ¬èè¬÷ ¬õˆF¼‚è„ ªê£™ô¾‹. å¼õ˜Ü†¬ì¬òŠ «ð£ì ñŸªø£¼õ¬ó Ü¬îŠ H®‚è„ ªê£™ô¾‹. Gè›õ¬î‚ èõQ‚辋.ÞŠ«ð£¶ å¼õó¶ ¬èò£™ ܆¬ì¬ò «ð£†´ Üõó¶ ñŸªø£¼ ¬èò£™ ܆¬ì¬òŠH®‚è„ ªê£™ô¾‹. ÞŠ«ð£¶ â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  å¼õ˜ ܆¬ì¬ò‚ W«ö Mì G¬ùˆî àì«ù«ò Üõó¶ ͬ÷ Üõó¶ ¬è‚° ܉î܆¬ì¬ò‚ W«ö Mì àˆîóM´Aø¶. ܆¬ì¬ò‚ W«ö Mì‚ ¬èMó™èœ îò£ó£°‹«ð£¶ ͬ÷ ñŸªø£¼ ¬è‚° ܉î ܆¬ì¬òŠ H®‚è àˆîóM´Aø¶. ͬ÷ò£ù¶å«ó «ïóˆF™ ܆¬ì¬ò M섪꣙L»‹, H®‚è„ ªê£™L»‹ àˆîóM´õ,

܆¬ì¬ò M†´‹ H®‚辋 Þò½Aø¶.

ÜŠð® Þ™ô£ñ™, å¼õ˜ ܆¬ì¬ò M´‹ ªð£¿¶ ñŸªø£¼õ˜ Ü¬îŠ H®‚èºò½‹ «ð£¶ ܶ º®õF™¬ô. å¼õ˜ ܆¬ì¬ò M†ì¾ì¡î£¡ ñŸªø£¼õK¡ è‡Ü¬îŠ 𣘂Aø¶. Üî¡ H¡ù«ó Üõó¶ ͬ÷ Üõó¶ ¬è‚°‚ è†ì¬÷ Þ†´Ü†¬ì¬òŠ H®‚è„ ªê£™Aø¶. Þ‰î CPò Þ¬ìªõO‚°œ, Üî£õ¶ ܆¬ì W«öõ¼õ¬îŠ 𣘊ð‹, ͬ÷ ܉î ܆¬ì¬ò H®‚è„ ªê£™L‚ è†ì¬÷ Þ´õ‹àœ÷ è£ô Þ¬ìªõOJ™ ܆¬ìò£ù¶ Üõó¶ ¬èŠH®‚°œ C‚裶 W«ö M¿‰¶M´Aø¶.

Mù£‚èœ1. å¼õ˜ ܆¬ì¬òŠ «ð£†ì¾ì¡ ñŸªø£¼õó£™ ã¡ Ü¬îŠH®‚è º®õF™¬ô?

2. õ£èùƒèO¡ H¡¹ø‹ 10 e†ì˜ Þ¬ìªõO «î¬õ âù â¿FJ¼Šð¶ ã¡?

71. à콋 ñùº‹ «õÁð†ì£™!

www.indiasudar.org   71

Page 80: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 80/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªõŠð ÝŸø¬ô â´ˆ¶‚ ªè£‡´ ï¬ìªðÁ‹ «õFM¬ùèœ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  250 I.L. d‚è˜, Ü«ñ£Qò‹ °«÷£¬ó´ (NH Cl).4

ªêŒº¬ø

  d‚èK™ c¬ó â´ˆ¶‚ ªè£‡´, Üî¡ ªõŠðG¬ô¬ò ªõŠðG¬ôñ£Q¬ò‚ ªè£‡´°Pˆ¶‚ ªè£œ÷¾‹. H¡ù˜ d‚èK™ àœ÷ cK™ Ü«ñ£Qò‹ °«÷£¬ó¬ì Þ†´ ï¡°

èô‚辋. H¡ù˜ e‡´‹ ªõŠðG¬ôñ£Q¬ò‚ ªè£‡´ cK¡ ªõŠðG¬ô¬ò‚致H®ˆ¶, Üî¬ù 㟪èù«õ °Pˆ¶ ¬õˆ¶œ÷ ªõŠðG¬ô»ì¡ åŠH쾋.åŠd†®™ Þ¼‰¶ cƒèœ ÜPõ¶ â¡ù?

M÷‚è‹

  ºîL™ °Pˆ¶ ¬õˆî cK¡ ªõŠðG¬ô¬ò Mì, Ü«ñ£Qò‹ °«÷£¬ó´èô‚èŠð†ì H¡ 致H®‚èŠð†ì cK¡ ªõŠðG¬ô‚ °¬øõ£è àœ÷¶. è£óí‹,Ü«ñ£Qò‹ °«÷£¬ó´ è¬óõ ªõŠð‹ «î¬õ. Þ‰î ªõŠðˆ¬î Ü«ñ£Qò‹°«÷£¬ó´ cK™ Þ¼‰¶ â´ˆ¶‚ ªè£œõ, cK¡ ªõŠðG¬ô °¬ø‰¶ M†ì¶. Þ¶«ð£ô å¼ M¬ù ï¬ìªðÁ‹ «ð£¶, ªõŠð ÝŸø™ àœO¿‚èŠð´«ñò£ù£™, Üšõ¬è

M¬ù, ªõŠð‚ ªè£œM¬ù âùŠð´‹.

Mù£‚èœ

1. °À‚«è£¬ú õ£J™ «ð£†ì£™ °O˜„Cò£è Þ¼Šð¶ ã¡?

2. 裌„ê™ ÜFèñ£è Þ¼‰î£™ ßóˆ¶E¬ò «ñ«ô «ð£´õ¶ ã¡?

3. 裌„êL¡ «ð£¶ ªî˜ñ£e†ì˜ ¬õŠð¶ ã¡?

72. ªõŠð‚ ªè£œM¬ù

www.indiasudar.org72

Page 81: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 81/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªõŠð àI› M¬ùŠ ðŸP ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  âKñ¬ô «ð£¡Á ñ‡í£™ ªêŒòŠð†ì à¼õ‹, «ðŠð˜ ¶‡´èœ, ªð£†ì£Cò‹ªð˜ñ£ƒè«ù† (KMnO ), AOêK¡.4

ªêŒº¬ø

  âKñ¬ô «ð£¡Á ªêŒòŠð†ì à¼õˆ¬î â´ˆ¶‚

ªè£‡´, Üî¡ Ã˜¬ñò£ù õ£ŒŠð°FJ™ «ðŠð˜¶‡´è¬÷‚ ANˆ¶Š«ð£ì¾‹. H¡ù˜ «ðŠð˜ ¶‡´èO¡«ñ™ CPî÷¾ ªð£†ì£Cò‹ ªð˜ñ£ƒè«ù†¬ì‚ ªè£†ì¾‹.Üî¡ «ñ™ AOêK¬ù Þó‡´ Ü™ô¶ Í¡Á ªê£†´èœM쾋. ÞŠ«ð£¶ â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  ªð£†ì£Cò‹ ªð˜ñ£ƒè«ù†´‹ AOêK‹ M¬ù¹K‰¶ ºîL™ ¹¬è õ¼Aø¶.Üî¡H¡ù˜ ªõ®„êˆî‹ «è†Aø¶. ÞÁFJ™ Þó‡´‹ bŠH®ˆ¶ âK‰¶ ªõŠð‹à‡ì£°‹. Þ¶ âKñ¬ô ªõ®Š¹ «ð£ôˆ «î£¡ÁAø¶. Þ¶ «ð£ô å¼ «õF M¬ù

Gè¿‹ «ð£¶ ªõŠð‹ ªõOŠð´«ñò£ù£™ ܶ ªõŠð àI›M¬ù âùŠð´‹.

Mù£‚èœ

1. ªõŠð àI›M¬ù â¡ø£™ â¡ù?

2. AOêK¡ ⃰Š ðò¡ð´Aø¶?

3. ªð£†ì£Cò‹ ªð˜ñ£ƒè«ù†¬ì ⃰Š ðò¡ð´ˆ¶A«ø£‹?

73. âKñ¬ô

www.indiasudar.org   73

Page 82: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 82/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ªõŠð‹ àœõ£ƒ°‹ M¬ùèœ ðŸP ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  °À‚«è£v, ðQ‚膮, âõ˜C™õ˜ ì‹÷˜.

ªêŒº¬ø

  ºîL™ °À‚«è£¬ú„ CPî÷¾ â´ˆ¶ õ£J™ «ð£†´, õ£¬ò Í쾋. â¡ùGè›Aø¶ â¡ð¬î‚ èõQ‚辋. Þ«î «ð£™ ßóI™ô£î ì‹÷¬ó â´ˆ¶‚ ªè£‡´,

ÜîÂœ ðQ‚膮ˆ ¶‡´è¬÷ Þ쾋. CP¶ «ïó‹ ªð£ÁˆF¼‰¶ Gè›õ¬î‚èõQ‚辋.

M÷‚è‹

  °À‚«è£¬ú õ£J™ «ð£†ì¾ì¡ õ£J¡ à†¹øˆF™ å¼ °O˜„C ðó¾õ¬îàíóº®Aø¶. °À‚«è£v è¬óõ ªõŠð‹ «î¬õ. Þ‰î ªõŠðˆ¬î‚ °À‚«è£võ£J¡ à†ð°FJL¼‰¶ â´ˆ¶‚ ªè£œAø¶. Þîù£™ õ£J¡ à†ð°FJ™ °O˜„C¬òàí¼A«ø£‹. Þ¶ «ð£¡Á å¼ ªêòL¡ «ð£¶ ªõŠð‹ àP…êŠð´ñ£ù£™, Üî¬ùªõŠð 㟹 M¬ù â¡A«ø£‹.

  Þ«î «ð£™ âõ˜C™õ˜ ì‹÷K™ ðQ‚膮ˆ ¶‡´è¬÷ Þ´‹ «ð£¶, ì‹÷˜ °O˜„Cܬìõ¬î»‹, ì‹÷K¡ ªõOŠ¹øˆF™ c˜ˆ¶Oèœ à‡ì£õ¬î»‹ 裇A«ø£‹.ðQ‚膮 à¼èˆ«î¬õò£ù ªõŠðˆ¬î ì‹÷KìI¼‰¶ â´ˆ¶‚ ªè£œAø¶. Þîù£™ì‹÷˜ °O˜„C ܬìõ, 裟P™ àœ÷ có£M ì‹÷K¡ e¶ ð´‹ «ð£¶ °O˜„Cò£Acó£è ñ£P ì‹÷K¡ ªõOŠ¹øˆF™ c˜ˆ¶Oè÷£èŠ ð®Aø¶. ÞšM¬ùJ™ ì‹÷K¡ªõŠð‹ ðQ‚膮ò£™ àP…êŠð´Aø¶. âù«õ Þ¶¾‹ å¼ ªõŠð‚ ªè£œM¬ù Ý°‹.

Mù£‚èœ

1. ªõŠð 㟹 M¬ù â¡ø£™ â¡ù?

2. 裟P™ có£M Þ¼‚°ñ£?

74. ªõŠð 㟹 M¬ù

www.indiasudar.org74

Page 83: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 83/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ÜIôˆ¬î»‹, è£óˆ¬î»‹ ÜPò à «ê£î¬ùè¬÷ ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  ªõœ¬÷Š«ðŠð˜, â½I„¬ê„ ê£Á, î‚è£O„ ê£Á, ¹Oˆîˆ îJ˜, ªê‹ð¼ˆF Ì, ÝŠð«ê£ì£, «ê£Š¹, ì‹÷˜, cô ñŸÁ‹ CõŠ¹ L†ñv èœ.

ªêŒº¬ø

  â½I„¬ê„ ê£Á, î‚è£O„ ê£Á, îJ˜ ÞõŸ¬ø îQˆîQ«ò â´ˆ¶‚ ªè£œ÷¾‹. Þ«î«ð£¡Á ÝŠð «ê£ì£, «ê£Š¹ ÞõŸ¬øˆ î‡aK™ è¬óˆ¶ˆ îQˆîQ«ò â´ˆ¶‚ ªè£œ÷

«õ‡´‹.â½I„¬ê„ ꣟¬ø cô L†ñv î£O™ HNò¾‹. cô L†ñv  CõŠð£è Gø‹

ñ£Áõ¬î‚ èõQ. H¡ CõŠ¹ L†ñv ÷ ÝŠð «ê£ì£‚ è¬óêL™ ï¬ù‚辋.ÞŠ«ð£¶ â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋. Þ¶ «ð£¡Á 嚪õ£¼ è¬óêL½‹CõŠ¹ ñŸÁ‹ cô L†ñv ÷ ï¬ùˆ¶, Gè›õ¬î‚ èõQ‚辋.

M÷‚è‹

  ÜIô‚, è£óŠ ªð£¼†è¬÷Š HKˆ¶ ÜPò L†ñv «ðŠð˜ «î¬õ.

ÜIôñ£ù¶ cô L†ñv «ðŠð¬ó„ CõŠð£è ñ£ŸÁAø¶. ެð£ô CõŠ¹ L†ñ¬ú

côñ£è ñ£ŸÁ‹ ñ è£óˆFŸ° à‡´. Üîù£™î£¡ cô L†ñv «ðŠð˜ â½I„¬ê꣟¬ø M†ì¶‹ CõŠð£è ñ£Pò¶. â½I„¬ê„ ê£ø£ù¶ å¼ ÜIôñ£°‹. â½I„¬ê꣟P™ C†K‚ ÜIôº‹, ¹Oˆîˆ îJK™ ô£‚®‚ ÜIôº‹, î‚è£O„ ꣟P™ Ý‚ú£L‚ÜIôº‹ àœ÷ cô L†ñv «ðŠð¬ó CõŠð£è ñ£ŸÁAø¶.

  ÝŠð «ê£ì£ âùŠð´‹ «ê£®ò‹-¬ð-裘ð«ù† å¼ è£óñ£°‹. è£óñ£ù¶ CõŠ¹L†ñ¬ú cô Gøñ£è ñ£ŸÁ‹. Üîù£™î£¡ CõŠ¹ L†ñv ÷ ÝŠð «ê£ì£ è¬óêL™ï¬ùˆ¶ â´‚°‹«ð£¶ ñÁð®»‹ côGøñ£è ñ£ŸÁAø¶. Þ¬î ²¼‚èñ£è ÜcC(ÜIôˆî£™ cô‹ CõŠð£°‹), è£Cc (è£óˆî£™ CõŠ¹ côñ£°‹) â¡Á °PŠHìô£‹.

°PŠ¹

  ªê‹ð¼ˆFŠ Ì Þî›è¬÷ ªõœ¬÷ˆî£O™ «îŒˆ¶, ÞòŸ¬è Gøƒè£†®¬òˆîò£K‚èô£‹. ވ÷ ÜIôƒèO™ ï¬ùˆî£™ CõŠð£è ñ£Áõ¬î‚ è£íô£‹.

Mù£‚èœ

1. ÜIôƒèœ â¡ù ²¬õ?

2. è£óƒèœ â¡ù ²¬õ?

3. ÜIôƒèœ côGøˆ¬î â¡ùõ£è ñ£ŸÁ‹?

75. ÜIô‚ è£óŠ ðK«ê£î¬ù

www.indiasudar.org   75

Page 84: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 84/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟¬ø Mì 裘ð¡-¬ì-Ý‚¬ú´ õ£» èùñ£ù¶ â¡ð¬î ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  CPò õ£òè¡ø ð£ˆFó‹, ªõš«õÁ àòó‹ à¬ìò Í¡Á ªñ¿°õ˜ˆFèœ, bŠªð†®,ÝŠð«ê£ì£ («ê£®ò‹ -¬ð-裘ð«ù†), MQè˜.

ªêŒº¬ø

  CPò õ£òè¡ø ð£ˆFóˆ¬î â´ˆ¶‚

ªè£‡´ Í¡Á ªñ¿°õ˜ˆFè¬÷»‹ ÜîÂœGÁˆF ¬õ‚辋. Þó‡´ Ü™ô¶ Í¡Á«ìHœ vÌ¡ ÝŠð «ê£ì£¬õ («ê£®ò‹-¬ð-裘ð«ù¬ì) ð£ˆFóˆF¡ Ü®J™ Éõ¾‹.H¡ù˜ ªñ¿°õ˜ˆFè¬÷Š ðŸø ¬õ‚辋.ªñ¿°õ˜ˆFèœ âK‰¶ ªè£‡®¼‚°‹«õ¬÷J™ ð£ˆFóˆF¡ à†¹ø ²õ˜ õN«òMQè¬ó„ «ê˜‚辋. â¡ù Gè›Aø¶â¡ð¬î‚ èõQ‚辋.

M÷‚è‹  «ê£®ò‹-¬ð-裘ð«ù†, MQè¼ì¡ M¬ù¹K‰¶ ð£ˆFóˆF¡ àœ«÷ CPòCPò°I›èœ ªõOõóˆ¶õƒ°‹. CP¶ «ïóˆF™ I辋 àòó‹ °¬ø‰î ªñ¿°õ˜ˆFܬ퉶 M´Aø¶. H¡ù˜ Þó‡ì£õ¶ àòó‹ °¬ø‰î ªñ¿°õ˜ˆF ܬ퉶,ÞÁFò£è I辋 àòóñ£ù ªñ¿°õ˜ˆF ܬíAø¶.

  «ê£®ò‹-¬ð-裘ð«ù†, MQè¼ì¡ M¬ù¹K‰¶ 裘ð¡-¬ì-Ý‚¬ú´ õ£»¬õªõOM´Aø¶. 裘ð¡-¬ì-Ý‚¬ú´ õ£»MŸ° âK»‹ ªð£¼†è¬÷ ܬ킰‹ ð‡¹à‡´. à¼õ£°‹ õ£», ð£ˆFó̂ F¡ Ü®J™ àœ÷ 裟¬ø «ñ™«ï£‚A Þ슪ðò˜„CªêŒ¶ ÜšMìˆF™ Gó‹¹Aø¶. Þšõ£Á «ê¼‹ 裘ð¡-¬ì-Ý‚¬ú´ ð£ˆFóˆF™ c˜

Gó‹¹õ¶«ð£™ WN¼‰¶ «ñ™«ï£‚A Gó‹¹Aø¶. Þšõ£Á Gó‹¹õ àòó‹ °¬ø‰îªñ¿°õ˜ˆF ºîL™ ܬ퉶, ð®Šð®ò£è àòóñ£ù ªñ¿°õ˜ˆFèœ Ü¬íA¡øù.

Mù£‚èœ

1. «ê£®ò‹ -¬ð- 裘ð«ù†®¡ «õF‚°Pf´ â¡ù?

2. b ܬ킰‹ CL‡ìK™ àœ÷ õ£» â¶?

76. 裘ð¡-¬ì-Ý‚¬ú´ å¼ èùñ£ù õ£»

www.indiasudar.org76

Page 85: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 85/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ï´G¬ôò£‚è™ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  Þó‡´ è‡í£® ì‹÷˜, Þó‡´ ê£‚dv, ¬ý†«ó£ °«÷£K‚ ÜIô‹.

ªêŒº¬ø

  å¼ ì‹÷K™ c¬ó»‹, ñŸªø£¼ ì‹÷K™ ¬ý†«ó£ °«÷£K‚ ÜIôˆ¬î»‹ GóŠð¾‹.H¡ù˜ Þó‡´ ì‹÷K½‹ 嚪õ£¼ ꣂd¬ú ï¡° Í›°ñ£Á ¬õ‚辋. Þó‡´

èÀ‚° Þó‡´ ì‹÷˜è¬÷»‹ æKìˆF™ ¬õ‚辋. Þó‡´ ï£†èœ èNˆ¶ â´ˆ¶Šð£˜ˆ¶, Þó‡´ ì‹÷K½‹ àœ÷ ꣂdv â¡ùõ£JŸÁ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  cK™ «ð£†ì ꣂdú£ù¶ è¬óò£î G¬ôJ™ ÜŠð®«ò Þ¼‚°‹. Ýù£™, ñŸªø£¼ì‹÷K™ ÞìŠð†ì ꣂdú£ù¶ è¬ó‰¶Š «ð£J¼‚°‹. c˜ å¼ ï´G¬ôò£ù ªð£¼œ.âù«õ ²‡í£‹Hô£ù ꣂd¬ú è¬ó‚è ÞòôM™¬ô. ²‡í£‹¹ å¼ è£ó‹ â¡ð,¬ý†«ó£ °«÷£K‚ ÜIôˆ¶ì¡ M¬ù¹K‰¶ ï´G¬ôò£‚èŠð´õ, ꣂdvè¬óAø¶.

Mù£‚èœ1. ²‡í£‹H¡ «õFŠ ªðò˜ â¡ù?

2. ²‡í£‹¹ cK¡ «õFŠªðò˜ â¡ù?

77. è¬óò£î ꣂdv

www.indiasudar.org   77

Page 86: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 86/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ¬ý†óü¡ õ£» ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  «ê£î¬ù‚ °ö£Œ, c˜ˆî ¬ý†«ó£ °«÷£K‚ ÜIô‹, ¶ˆîï£è‹.

ªêŒº¬ø

  «ê£î¬ù‚ °ö£J™ CPî÷¾ ¶ˆîï£èˆ¬î â´ˆ¶‚ ªè£‡´, ÜîÂì¡ c˜ˆî¬ý†«ó£ °«÷£K‚ ÜIôˆ¬î‚ èõùñ£è„ «ê˜‚辋. â¡ù Gè›Aø¶ â¡ð¬î‚

èõQ‚辋. «ê£î¬ù‚ °ö£J¡ õ£ŒŠð°FJ¡ ܼ«è å¼ âK»‹ °„C¬ò‚ ªè£‡´ªê™ô¾‹. â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  c˜ˆî ¬ý†«ó£ °«÷£K‚ ÜIôº‹, ¶ˆîï£èº‹ «õFM¬ùŠ ¹K‰¶, õ£» å¡Á°I›è÷£è ªõOõ¼õ¬î‚ è£íô£‹. Þ¬î ¬ý†óü¡ â¡ð¬î ÜP‰¶ ªè£œ÷«õ‡®, âK»‹ °„C¬ò„ «ê£î¬ù‚ °ö£J¡ õ£Œð°FJ¡ ܼ«è ªè£‡´„ ªê™½‹«ð£¶, õ£»õ£ù¶ “𣊔 â¡ø åL»ì¡ âKAø¶. âK»‹ °„C ܬ퉶 M´Aø¶.ÞFL¼‰¶ ªõOŠð´‹ õ£» ¬ý†óü¡ õ£» â¡ð¶ GÏðíñ£Aø¶.

Mù£‚èœ1. ¬ý†óü¡ õ£» â¡ø£™ â¡ù?

2. ¬ý†óü¡ õ£» âŠ ðò¡ð´Aø¶?

78. ¬ý†óü¡ è‡ìP»‹ «ê£î¬ù

www.indiasudar.org78

Page 87: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 87/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  c˜ âKò£¶, Ý™èý£™ âK»‹ â¡ð¬î ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  «ðŠð˜, î‡a˜, Ý™èý£™, ªñ¿°õ˜ˆF, bŠªð†®, Þó‡´ î†´èœ.

ªêŒº¬ø

  Þó‡´ î†´è¬÷ â´ˆ¶‚ ªè£‡´ å¡P™ c¬ó»‹, ñŸªø£¡P™ Ý™èý£¬ô»‹GóŠð¾‹. ªñ¿°õ˜ˆF¬òŠ ðŸø ¬õˆ¶‚ ªè£œ÷¾‹. «ðŠð¬óˆ î‡aK™ ï¬ùˆ¶

ªñ¿°õ˜ˆFJ¡ ²ìK™ 裇H‚辋. H¡ù˜ ñŸªø£¼ «ðŠð¬ó â´ˆ¶‚ ªè£‡´Üî¬ù ºîL™ î‡aK™ ï¬ùˆ¶, H¡ Ý™èý£L™ ï¬ùˆ¶ ªñ¿°õ˜ˆFJ¡²ìK™ 裇H‚辋. ÞŠ«ð£¶ â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  c˜ bŠH®‚è£î å¼ Fóõ‹ Ý°‹. âù«õ î‡aK™ ï¬ùˆî «ðŠð¬ó ªï¼ŠH™è£‡H‚°‹ «ð£¶ bŠH®ŠðF™¬ô. Ý™èý£™ âOF™ bŠH®‚è‚îò Fóõñ£°‹.Ýîô£™, cK™ ï¬ùˆî «ðŠð¬ó Ý™èý£L™ ï¬ùŠðîù£™ «ðŠðK¡ «ñŸðóŠH™Ý™èý£™ ðóM GŸ°‹. âK»‹ ªñ¿°õ˜ˆF„ ²ìK™ «ðŠð¬ó‚ 裇H‚°‹ «ð£¶«ðŠðK¡ «ñŸðóŠH™ ðóM GŸ°‹ Ý™èý£™ bŠðŸP âKòˆ ¶õƒ°‹. «ðŠðó£ù¶

î‡aK™ ï¬ù‰F¼Šð Ý™èý£™ âK‰î H¡ù¼‹ «ðŠðó£ù¶ âKò£ñ™ Þ¼‚°‹.Ýù£™, «ðŠð¬ó ÜFè «ïó‹ ªñ¿°õ˜ˆF„ ²ìK™ 裇Hˆî£™, «ðŠðK¡ e¶œ÷ î‡a˜ÝMò£A, «ðŠð˜ âKòˆ ¶õƒ°‹.

Mù£‚èœ

1. Ý™èý£™ ⃪è™ô£‹ ðò¡ð´ˆîŠð´Aø¶?

2. cK™ ï¬ùˆî «ðŠð¬ó ÜFè «ïó‹ ªï¼ŠH™ 裇Hˆî£™ â¡ù Gè›Aø¶?

79. âKˆî£½‹ âKò£î è£Aî‹

www.indiasudar.org   79

Page 88: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 88/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  Cô «õFŠªð£¼†èœ c˜Šð†ì¶‹ Gø‹ ñ£ø Ýó‹H‚°‹ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  ªõœ¬÷ «ê£Š¹, ªñ¿°, c˜ˆî Hvñˆ ¬ï†«ó† è¬óê™, c˜, ªõœ¬÷ˆî£œ 

ªêŒº¬ø

  ªõœ¬÷ˆî£¬÷„ CPò ¶‡´è÷£‚A‚ ªè£œ÷¾‹. 嚪õ£¼ ¶‡¬ì»‹îQˆîQ«ò â´ˆ¶ «ê£Š¹, ªñ¿° ñŸÁ‹ c˜ˆî Hvñˆ è¬óê™ ÞõŸø£™ àƒè÷¶

ªðò¬ó â¿î¾‹. â¿Fò «ðŠð¬ó àƒèœ ï‡ðQì‹ ªè£´ˆ¶ ÜF™ â¿F àœ÷¬îŠð®‚°‹ ð® Ãø¾‹. à¡ ï‡ðù£™ ð®‚è Þò½Aøî£ â¡ð¬î èõQ‚辋. H¡ ÷cK™ ï¬ùˆ¶ H¡ù˜ 𮂰‹ð®‚ Ãø¾‹.

M÷‚è‹

  ºîL™ «ê£Š¹, ªñ¿° ñŸÁ‹ c˜ˆî Hvñˆ è¬óê™ ÞõŸø£™ c â¿F»œ÷õŸ¬øà¡ ï‡ðù£™ ð®‚è Þòô£¶. ãªùQ™  ⿶õŠ ðò¡ð´ˆFòŠ ªð£¼†èœê£î£óíñ£è‚ è‡èÀ‚°ˆ ªîKõF™¬ô. Ýù£™ ܬõ cK™ ï¬ù‰î¾ì¡è‡µ‚°ˆ ªîK»‹. âù«õ cK™ ï¬ùˆîH¡ ÜF™ â¿F»œ÷õŸ¬ø à¡ï‡ðù£™ð®‚è Þò½Aø¶.

  ðöƒè£ô‹ ºîŸªè£‡´ ÞóèCòñ£è‚ è®î‹ ⿶‹ õö‚è‹ Þ¼‰¶ õ¼Aø¶.ÞóèCòñ£è‚ è®î‹ ⿶õ„ Cô ªð£¼†è¬÷»‹, â¿FòõŸ¬øŠ ð®‚è «õÁ Côªð£¼†è¬÷»‹ ðò¡ð´ˆF õ¼Aø£˜èœ.

Mù£‚èœ

1. ªñ¿è£™ â¿Fò ⿈¶‚èœ î‡a˜ ð†ì¾ì¡ ªîKò Ýó‹Hˆî¶ ã¡?

80. ⿈¶ˆ ªîKò c˜‚°Oò™

www.indiasudar.org80

Page 89: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 89/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  Cô «õFŠªð£¼†èœ ªõŠðˆFù£™ Gø‹ ñ£Á‹ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  c˜ˆî 裊ð˜ ꙫð† è¬óê™, «è£ð£™† °«÷£¬ó´ è¬óê™, ªô† ¬ï†«ó† è¬óê™,Ü‹«ñ£Qò‹ ¬ý«ð£ °«÷£«ó† è¬óê™, Ý‚ú£L‚ ÜIô‹ ñŸÁ‹ «è£ð£™† Ý‚¬ú´Þó‡´‹ è¬ó‰î è¬óê™, c˜ˆî è‰îè ÜIô‹, ߘ‚°„Cèœ, ªõœ¬÷ˆî£œ,ªñ¿°õ˜ˆF, bŠªð†®.

ªêŒº¬ø

  «ñ«ô ÃøŠð†ì «õFŠªð£¼†èO¡ è¬óê™è¬÷ˆ îQˆîQ«ò îò£Kˆ¶‚ªè£œ÷¾‹. H¡ù˜ ªõœ¬÷ˆî£O™ ߘ‚°„C¬òŠ ðò¡ð´ˆF 嚪õ£¼ è¬óê¬ô»‹îQˆîQ«ò ªî£†´ à¡ ªðò¬ó â¿F, â¿îŠð†ì ªõœ¬÷ˆî£¬÷ ªñ¿°õ˜ˆFJ¡²ì¼‚° ܼ«è H®ˆ¶‚ ªè£‡´ ªõŠð‹ ñ†´‹ î£O™ ð´‹ð®„ ªêŒ¶, â¡ùGè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  嚪õ£¼ «õF‚è¬ó꽋 ê£î£óíñ£èˆ ªîKò£M†ì£½‹, Å´ð´ˆFòŠ H¡W›è‡ì Gøƒè÷£è ñ£Ÿøñ¬ìAø¶.

  c˜ˆî 裊ð˜ ꙫð† è¬óê™ - Þ÷…CõŠ¹ Gø‹.ªô† ¬ï†«ó† è¬óê™ - Þ÷…CõŠ¹ Gø‹.

  Ý‚ú£L‚ ÜIô‹ ñŸÁ‹«è£ð£™† Ý‚¬ú´ - Þ÷…CõŠ¹ Gø‹.

Þó‡´‹ è¬ó‰î è¬óê™,«è£ð£™† °«÷£¬ó´ è¬óê™ - côGø‹

  Ü‹«ñ£Qò‹ ¬ý«ð£ °«÷£«ó† è¬óê™ - côGø‹

c˜ˆî è‰îè ÜIô‹ - «ó£v

Cô à«ô£èƒèœ ªõŠðˆFù£™ å¼ °PŠH†ì Gøˆ¬î‚ ªè£´‚A¡øù.

Mù£‚èœ

1. â½I„¬ê„ ꣬ø å¼ ªõœ¬÷ˆî£O™ â¿F ªï¼ŠH™ 裇Hˆî£™ 𿊹 Gøñ£õ¶ã¡?

2. ðô à«ô£èƒè¬÷ ªõŠðŠð´ˆ¶‹ «ð£¶ ðô GøƒèO™ ªîKõ¶ ã¡?

81. Å´ ªè£´ˆî£™ ªîK»‹ ⿈¶

www.indiasudar.org   81

Page 90: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 90/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  «õFŠªð£¼†èO¡ àîMò£™ ¬èJ™ ßó‹ ðì£ñ™, c¼‚°œ Þ¼‚°‹ ªð£¼¬÷â´‚è º®»‹ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  õ£òè¡ø ªðKò A‡í‹, å¼ ï£íò‹, c˜, ¬ô‚«è£«ð£®ò‹ ð¾ì˜.

ªêŒº¬ø

  õ£òè¡ø A‡íˆ¬î â´ˆ¶, ÜF™ º‚裙 ðƒ° c¬ó GóŠð¾‹. ï£íòˆ¬î cKÂœ«ð£ì¾‹. ñŸøõ˜èœ ÜPò£î õ‡í‹ ¬ô‚«è£«ð£®ò‹ ð¾ì¬ó ¬èJ™ ÌC‚ ªè£œ÷«õ‡´‹. H¡¹ c¼‚°œ ¬è¬ò M†´ ï£íòˆ¬î ⴂ辋. ï£íòˆ¬î â´‚°‹«ð£¶ Gè›õ¬î‚ èõQ‚辋.

M÷‚è‹

  ¬ô‚«è£«ð£®ò‹ ð¾ì¬ó‚ ¬èJ™ ÌC‚ªè£‡´, cKÂœ ¬è¬ò M†´ ï£íòˆ¬îâ´ˆîH¡ ¬è¬òŠ 𣘈, ¬èJ™ ßó‹ ªè£…ê‹ Ãì Þ¼‚裶.

  ¬ô‚«è£«ð£®ò‹ ð¾ì˜ c¬ó å†ì Mì£î ñ à¬ìò¶. Ýè«õ, ¬èJ™ ÌC‚

ªè£‡ì¶‹, ¬èèO™ ßó‹ ðì£ñ™ ï£íòˆ¬î â´‚è Þò½Aø¶.

Mù£‚èœ

1. ¬ô‚«è£«ð£®ò‹ ð¾ì¬ó ¬èJ™ ÌC‚ªè£‡ì¶‹, cK™ Þ¼‚°‹ â‰îŠªð£¼¬÷»‹ ßó‹ ðì£ñ™ â´‚è º®»ñ£?

82. ¬èJ™ ßó‹ ðì£ñ™ c¼‚°œ Þ¼‚°‹

 ï£íòˆ¬î â´ˆî™

www.indiasudar.org82

Page 91: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 91/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  è¬óò£î i›ð®¾èÀ‹ Cô G¬ôèO™ è¬ó»‹ ñ»¬ìò¬õ âù ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  ªîO‰î ²‡í£‹¹ c˜, 裘ð¡-¬ì-Ý‚¬ú´ õ£» (Co ),å¼ «ê£î¬ù‚°ö£Œ.2

ªêŒº¬ø

  ºîL™ å¼ «ê£î¬ù‚°ö£¬ò â´ˆ¶‚ ªè£‡´, Üî¬ù‚ 裙Cò‹¬ý†ó£‚¬ú´ â¡Â‹ ªîO‰î ²‡í£‹¹ có£™ GóŠð¾‹. H¡¹ AŠv àðèó투î

ðò¡ð´ˆF„ «ê£î¬ù‚°ö£J™ àœ÷ ²‡í£‹¹ cKÂœ 裘ð¡-¬ì-Ý‚¬ú´õ£»¬õ„ ªê½ˆî¾‹. àì«ù °ö£J™ 裙Cò‹ 裘ð«ù† â¡ø i›ð®¾ à‡ì£Aø¶.Þšõ£Á à‡ì£°‹ i›ð®¾„ «ê£î¬ù‚ °ö£J¡ Ü®J™ ªê¡Á Aø¶. ÞŠ«ð£¶ñÁð®»‹ Ü‰î «ê£î¬ù‚°ö£J™ 裘ð¡ -¬ì-Ý‚¬ú´ õ£»¬õ„ ªê½ˆF,Gè›õ¬î‚ èõQ‚辋.

M÷‚è‹

  ºîL™ 裙Cò‹ ¬ý†ó£‚¬ú´ 裘ð¡-¬ì-Ý‚¬ú´ õ£»¾ì¡ M¬ù¹K‰¶è£™Cò‹ 裘ð«ù† â¡ø ªõœ¬÷ Gø i›ð®¬õ‚ ªè£´‚Aø¶.

  裙Cò‹ ¬ý†ó£‚¬ú´+裘ð¡-¬ì-Ý‚¬ú´   裙Cò‹ 裘ð«ù† + c˜,裙Cò‹ 裘ð«ù† cK™ è¬óò£î ñ ªè£‡ì¶. ñÁð®»‹ 裘ð¡-¬ì- Ý‚¬ú´õ£»¬õ„ ªê½ˆ¶‹ «ð£¶ ºîL™ A¬ìˆî 裙Cò‹ 裘ð«ù† i›ð®¾ 裙Cò‹ ¬ð裘ð«ù†-Ýè ñ£ÁAø¶. 裙Cò‹ ¬ð 裘ð«ù† cK™ è¬ó»‹ ñ ªè£‡ì¶.Üîù£™ i›ð®¾ cK™ è¬ó‰¶ M´Aø¶.

  裙Cò‹ 裘ð«ù†+c˜+裘ð¡-¬ì-Ý‚¬ú´ è£™Cò‹ ¬ð 裘ð«ù†

Mù£‚èœ

1. i›ð®¾ â¡ø£™ â¡ù?

2. 裙Cò‹ 裘ð«ù†´ì¡ 裘ð¡-¬ì-Ý‚¬ú´ õ£»¬õ„ «ê˜‚°‹ «ð£¶ i›ð®¾ã¡ è£í£ñ™ «ð£Aø¶?

83. ñ¬ø»‹ i›ð®¾

www.indiasudar.org   83

Page 92: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 92/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  Íô‚ÃÁèÀ‚A¬ìJ™ Þ¬ìªõO àœ÷¶ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  «ê£î¬ù‚°ö£Œ, óŠð˜ «ð‡†, c˜, ì‹÷˜ ñŸÁ‹ àŠ¹.

ªêŒº¬ø

  ºîL™ «ê£î¬ù‚°ö£J™ ð£Fò÷¾ c¬ó GóŠð¾‹. ÞŠ«ð£¶ c˜ GŸ°‹ ñ†ìˆ¬îܬìò£÷‹ 裵‹ð® ÞóŠð˜ «ð‡†¬ì «ê£î¬ù‚°ö£J¡ «ñ™ ²Ÿø¾‹. Hø° cK™

CPî÷¾ àŠ¬ð„ «ê˜‚è¾‹.  ÞŠ«ð£¶ «ê£î¬ù‚°ö£¬ò‚ 膬ìMóô£™ ÞÁè Í®, àŠ¹ º¿õ¶‹ è¬ó»‹õ‡í‹ «ê£î¬ù‚°ö£¬ò ï¡° °½‚辋. H¡¹ CP¶ «ïó‹ «ê£î¬ù‚°ö£¬òܬêò£ñ™ H®ˆ¶Š 𣘂°‹ «ð£¶, cK¡ ñ†ì‹ ñ£ø£ñ™ Þ¼Šð¬î‚ è£íô£‹. cK¡ñ†ì‹ ñ£ø£ñ™ Þ¼ŠðîŸè£ù‚ è£ó투î áA‚è ºòŸC‚辋.

M÷‚è‹

  ºîL™ è¬óªð£¼÷£ù àŠ¹‹, è¬óŠð£ù£ù c¼‹ å¡ø£è èô‚è£ñ™ Þ¼Šðc˜ñ†ì‹ àò˜‰¶ è£íŠð´Aø¶. ê£î£óí àŠH¡ «õFŠªðò˜ «ê£®ò‹ °«÷£¬ó´.

ÞF™ «ê£®ò‹ ñŸÁ‹ °«÷£K¡ ܵ‚èœ å¡ø£è ެ퉶 àœ÷ù. àŠð£ù¶ cK™è¬ó»‹«ð£¶, Þ‰î «ê£®ò‹ °«÷£¬ó´ Íô‚ÃÁ «ê£®ò‹ ñŸÁ‹ °«÷£K¡ÜòQè÷£èŠ HKA¡øù. Þ‰î ÜòQèœ c˜ Íô‚ìøMì Ü÷M™ CPò¬õ. âù«õ,Þ‰î ÜòQèœ c˜ Íô‚ÃÁèÀ‚A¬ìJ™ àœ÷ Þ¬ìªõOJ™ ªê¡Á õ,ܵ‚èO¡ ªñ£ˆî ªè£œ÷÷¾ °¬ø‰¶ cK¡ ñ†ì‹ ñ£ø£ñ™ Þ¼‚Aø¶.

Mù£‚èœ

1. ê£î£óí àŠH¡ «õFŠªðò˜ â¡ù?

2. c˜ ñ†ì‹ ñ£ø£ñ™ Þ¼Šð‚ è£óí‹ â¡ù?

84. c˜ âƒ«è «ð£ù¶?

www.indiasudar.org84

Page 93: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 93/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  «õFŠªð£¼†èœ ñŸÁ‹ ð£¬ôŠ ðò¡ð´ˆF H÷£v®‚ ªð£‹¬ñ îò£Kˆî™.

«î¬õŠð´‹ ªð£¼†èœ

  å¼ èŠ ð£™, ° ̄ vÌ¡ Ü÷¾ MQè˜, A‡í‹ ñŸÁ‹ èô‚A.

ªêŒº¬ø

  A‡íˆF™ ð£¬ô â´ˆ¶‚ ªè£‡´ ÜîÂì¡ CP¶, CPî£è MQè¬ó áŸP ï¡°èô‚辋. c 裇ð¶ â¡ù?

M÷‚è‹

  ð£½ì¡ MQè¬ó º¿¬ñò£è áŸPò¾ì¡, MQèK™ àœ÷ ÜC®‚ ÜIô‹ð£½ì¡ M¬ù¹KAø¶. ð£ô£ù¶ FK‰¶ H÷£v®‚ «ð£™ à¼õ£°‹. Üî¬ù M¼‹Hò õ®õˆF™ à¼õ£‚èô£‹.

Mù£‚èœ

1. MQè¼ì¡ «õÁ Fóõƒè¬÷‚ ªè£‡´‹ ªð£‹¬ñ îò£K‚èô£‹. ܬõ ò£¬õ?

2. 𣙠âšõ£Á H÷£v®‚ «ð£™ ñ£ÁAø¶?

85. H÷£v®‚ I™‚

www.indiasudar.org   85

Page 94: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 94/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  Cô «õFŠªð£¼†èO™ («ê˜ñƒèO™) àœ÷ å¼ à«ô£èñ£ù¶, ñŸªø£¼à«ô£èˆî£™ Þì‹ñ£ø„ ªêŒ»‹ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  250 I.L. d‚è˜, c˜, è‡í£®‚ °„C, î£Ió ꙫð† ð®è‹, ¶ˆîï£èˆ ¶¼õ™èœ.

ªêŒº¬ø

  ºè¬õJ™ CPî÷¾ î£Ió ꙫð† ð®èˆ¬î â´ˆ¶‚ ªè£‡´, Üî¡ Gøˆ¬î‚

èõQ‚辋. ÜîÂì¡ c˜ «ê˜ˆ¶ ï¡° èô‚辋. e‡´‹ è¬óêL¡ Gøˆ¬î‚èõQ‚辋. H¡ Þ‰î‚ è¬óê½ì¡ ¶ˆîï£èˆ ¶¼õ™è¬÷„ «ê˜‚辋. êŸÁ «ïóˆFŸ°Hø°, è¬óêL™ G蛉F¼‚°‹ ñ£Ÿøˆ¬î‚ èõQ‚辋.

M÷‚è‹

  cô GøˆF™ Þ¼‚°‹ î£Ió ꙫð† è¬ó‚èŠð†ì è¬ó꽋 cô Gøˆ¶ì¡ àœ÷¶.ÜîÂì¡ ¶ˆîï£èˆ¬î„ «ê˜ˆ¶ CP¶ «ïó‹ èNˆ¶Šð£˜ˆî£™, è¬óê™ GøñŸøî£èñ£PM´‹.

  î£Ió ꙫð† è¬óê½ì¡ ¶ˆîï£è à«ô£èˆ¬î„ «ê˜‚°‹ªð£¿¶, î£Ió ê™«ð†®™

àœ÷ î£Ióˆ¬î, ¶ˆîï£è‹ Þ슪ðò˜„C ªêŒ¶ M†´, ܉î ÞìˆF™  Üñ˜‰¶,¶ˆîï£è ꙫð† â¡Â‹ ¹Fò «ê˜ñˆ¬î à¼õ£‚°‹. ªõO«òPò î£Ió‹ e÷¶ˆîï£èˆF¡ e¶ 𮉶, CõŠ¹GøˆF™ Þ¼‚°‹.

°PŠ¹

  å¼ M¬ù Fø¡ I‚è îQñ‹ M¬ù Fø¡ °¬ø‰î îQñˆ¬î Üî¡ «ê˜ñˆFL¼‰¶Þ슪ðò˜„C ªêŒ»‹ M¬ù«ò Þ슪ðò˜„C M¬ù âùŠð´‹.

Mù£‚èœ

1. Þ슪ðò˜„C â¡ø£™ â¡ù?

86. Þ슪ðò˜„C M¬ù - 1

www.indiasudar.org86

Page 95: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 95/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  Cô «õFŠªð£¼†èO™ («ê˜ñƒèO™) àœ÷ å¼ à«ô£èñ£ù¶, ñŸªø£¼à«ô£èˆî£™ Þì‹ñ£ø„ ªêŒ»‹ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  250 I.L. d‚è˜, ªõœO ¬ï†«ó† è¬óê™, î£I󈶼õ™èœ.

ªêŒº¬ø

  ºè¬õJ™ CPî÷¾ ªõœO ¬ï†«ó† è¬óê¬ô â´ˆ¶‚ ªè£œ÷¾‹. ÞîÂì¡ Cô

î£Ióˆ ¶¼õ™è¬÷„ «ê˜‚辋. êŸÁ «ïóˆFŸ°Š Hø°, è¬óêL™ G蛉F¼‚°‹ñ£Ÿøˆ¬î‚ èõQ‚辋.

M÷‚è‹

  ªõœO ¬ï†«ó† è¬óê™ î£Ióˆ ¶¼õ™è¬÷„ «ê˜Šð º¡ù˜ è¬óêô£ù¶GøñŸøî£è Þ¼‰î¶. î£I󈶼õ™è¬÷„ «ê˜ˆî H¡ù˜ Þ‚è¬óêô£ù¶ côGøñ£èñ£P M†ì¶. Þ‚ è£óí‹, Þ슪ðò˜„C M¬ù Ý°‹.

  ªõœO ¬ï†«ó† àŠ¹‚ è¬óê½ì¡ î£Ióˆ¬î„ «ê˜‚°‹«ð£¶, ªõœOò£ù¶ªõO«òŸøŠð†ì, ÜšMìˆF™ î£Ió‹ Þ싪ðò¼õ, ªõœO ¬ï†«ó† î£Ió

¬ï†«ó†ì£è ñ£PM†ì¶.

°PŠ¹

  å¼ M¬ù Fø¡ I‚è îQñ‹ M¬ù Fø¡ °¬ø‰î îQñˆ¬î Üî¡ «ê˜ñˆFL¼‰¶Þ슪ðò˜„C ªêŒ»‹ M¬ù«ò Þ슪ðò˜„C M¬ù âùŠð´‹.

Mù£‚èœ

1. Þ슪ðò˜„C â¡ø£™ â¡ù?

87. Þ슪ðò˜„C M¬ù - 2

www.indiasudar.org   87

Page 96: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 96/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  Cô «ê˜ñƒèœ M¬ù Íô‹ ÜîQ‹ CPò «ê˜ñƒè÷£è«õ£, îQñƒè÷£è«õ£C¬î¾Á‹ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  Ü÷¾„ ꣮, ¬ý†óü¡ çªð󣂬ê´, «ê£Š¹‚ è¬óê™, «ê£î¬ù‚ °ö£Œ,ªð£†ì£Cò‹ Ü«ò£¬ì´, c˜, MO‹¹ àò˜ˆîŠð†ì  (†«ó).

ªêŒº¬ø

  †«óM¬ù â´ˆ¶‚ ªè£‡´, ÜîÂœ Ü÷¾ ꣮¬ò ¬õ‚辋. ÞîÂì¡ «ê£Š¹‚

è¬óê¬ô„ «ê˜‚辋. å¼ «ê£î¬ù‚ °ö£J™ CPî÷¾ ªð£†ì£Cò‹ Ü«ò£¬ì´ð®èˆ¬î â´ˆ¶ cK™ è¬ó‚辋. è¬óê¬ô Ü÷¾„ ꣮J™ áŸø¾‹. H¡¹ Gè¿‹ñ£Ÿøˆ¬î‚ èõQ‚辋.

M÷‚è‹

  Þ‚è¬óê™è¬÷‚ èô‰î H¡¹ Ü÷¾ ꣮¬òˆ ªî£†´Š 𣘈, Ü÷¾„ ꣮ Åì£èÞ¼Šð¬î àíóô£‹. H¡¹ Ü÷¾„ ꣮JÂœ «õFM¬ù„ ªêò™ðìˆ ¶õƒA, ¸¬ó«ð£¡Á ªð£ƒA «ñ™ «ï£‚A õ¼‹. Þ‰î M¬ù‚°„ C¬î¾Á M¬ù â¡Á ªðò˜.Üî£õ¶, ¬ý†óü¡ ªðó£‚¬ê´ G¬ôò£è Þ¼‚裶. C¬î¾ŸÁ‚ ªè£‡«ì Þ¼‚°‹.

Þ‰î «õF M¬ùò£ù¶ ªñ¶õ£è ïì‚°‹. ÞšM¬ù «õèñ£è ïì‚è ¬õŠð «ê˜‚A¡ø ªð£¼œ ªð£†ì£Cò‹ Ü«ò£¬ì´ Ý°‹. ªð£†ì£Cò‹ Ü«ò£¬ì´ å¼M¬ù«õè ñ£ŸPò£è„ ªêò™ð†´ M¬ùJ¡ «õ般î ñ£ŸÁ«ñò™ô£ñ™,  â‰îñ£Ÿøº‹ ܬìõF™¬ô. ªð£†ì£Cò‹ Ü«ò£¬ì®™ àœ÷ Ü«ò£¬ì´ ÜòQM¬ù«õè ñ£ŸPò£è ªêò™ð´Aø¶. ¬ý†óü¡ ªðó£‚¬ê´ C¬î¾ŸÁ có£è¾‹,Ý‚Rüù£è¾‹ ñ£ÁAø¶.

  «ê£Š¹‚ è¬óê¬ô áŸÁ‹ «ð£¶ Ý‚Rü¡ õ£» «õèñ£è ªõO«òÁAø¶.Þ„«ê£î¬ù Gè¿‹ «ð£¶ Ü÷¾„ ꣮ ªõŠðñ¬ìõ, Þ¶ å¼ ªõŠð àI› M¬ùÝ°‹.

°PŠ¹

  å¼ «ê˜ñ‹ Þó‡´ Ü™ô¶ Ü «ñŸð†ì ªð£¼œè÷£è HK»‹ M¬ù«òC¬î¾Áî™ M¬ù âùŠð´‹.

Mù£‚èœ

1. C¬î¾Á M¬ù â¡ø£™ â¡ù?

2. M¬ù«õè ñ£ŸP â¡ø£™ â¡ù?

3. ªõŠð‹ àI› M¬ù â¡ø£™ â¡ù?

88. C¬î¾Á M¬ù - 1

www.indiasudar.org88

Page 97: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 97/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  Ý‚Rü¡ õ£» îò£K‚°‹ º¬ø ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  ªè£F °ö£Œ, Þ´‚A, ¬ý†óü¡ ªð󣂬ê´, ñ£ƒèm² -¬ì-Ý‚¬ú´.

ªêŒº¬ø

  ªè£F °ö£¬ò ÝŒ¾‚ °ö£Œ Þ´‚AJ™ ªð£¼ˆî¾‹. ÜF™ CPî÷¾ ¬ý†óü¡ªðó£‚¬ê´ áŸø¾‹. ÞîÂì¡ CPî÷¾ ñ£ƒèm²-¬ì-Ý‚¬ú¬ì„ «ê˜‚辋. H¡¹

â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  ¬ý†óü¡ ªð󣂬ê´ì¡ ñ£ƒèm²-¬ì-Ý‚¬ú¬ì„ «ê˜‚°‹ ªð£¿¶ «õFM¬ùG蛉¶ ªõ‡¬ñ Gø õ£» å¡Á ªõOõ¼‹. Þ‰î õ£» Ý‚Rü¡ Ý°‹.

  ¬ý†óü¡ ªð󣂬êì£ù¶ ªð£†ì£Cò‹ Ü«ò£¬ì´, ñ£ƒèm²-¬ì-Ý‚¬ú´,Ü¿‚° «ð£¡ø ªð£¼†èœ «ê˜‚°‹ «ð£¶ âOF™ C¬î¾ø Ýó‹H‚°‹.

  Þ„«ê£î¬ùJ™ ñ£ƒèm²-¬ì-Ý‚¬ú´ M¬ù «õè ñ£ŸPò£è„ ªêò™ð´Aø¶.¬ý†óü¡ ªð󣂬ú´ C¬î¾ŸÁ có£è¾‹, Ý‚Rüù£è¾‹ có£è¾‹ ñ£ÁAø¶.

°PŠ¹

  å¼ «ê˜ñ‹ Þó‡´ Ü™ô¶ Ü «ñŸð†ì ªð£¼œè÷£è HK»‹ M¬ù«òC¬î¾Áî™ M¬ù âùŠð´‹.

Mù£‚èœ

1. Ý‚Rü¡ õ£»M¡ ðò¡èœ ò£¬õ?

2. «ê£î¬ùJ¡«ð£¶ ªõOõ¼õ¶ Ý‚Rü¡ â¡ð¬î âšõ£Á àÁFŠð´ˆîô£‹?

89. C¬î¾Á M¬ù - 2

www.indiasudar.org   89

Page 98: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 98/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ô¬èM¬ùŠ ðŸP ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  ªñ‚mCò ï£ì£ˆ ¶‡´, Þ´‚A, ªñ¿°õ˜ˆF, bŠªð†®.

ªêŒº¬ø

  ªñ‚mCòˆ ¶‡¬ì Þ´‚Aò£™ H®ˆ¶‚ ªè£‡´, ܬîâK»‹ ªñ¿°õ˜ˆFJ¡ ²ìK™ 裇H‚辋. â¡ù

Gè›Aø¶?

M÷‚è‹

  ª ñ ‚ m C ò ï £ ì £ ¬ õ ª ñ ¿ ° õ ˜ ˆ F „ ² ì K ™è£‡H‚°‹«ð£¶, ªñ‚mCò ï£ì£ Hóè£êñ£ù åO»ì¡ âK‰¶,ªõ‡EøŠ ¹¬è¬òˆ î¼Aø¶. ÞŠ¹¬è, ªñ‚mCò‹ ï£ì£è£ŸP½œ÷ Ý‚RüÂì¡ M¬ù¹Kõ ãŸð´‹ªñ‚mCò‹ Ý‚¬ú´ â¡Â‹ «ê˜ñ‹ Ý°‹. Ý‚Rü¡ â¡øîQñ‹ ªñ‚mCò‹ â¡ø îQñˆ¶ì¡ ެ퉶 ªñ‚mCòÝ‚¬ú´ â¡Â‹ «ê˜ñˆ¬îˆ î¼õ Þ¶ å¼ Ã´¬è

M¬ù Ý°‹.

  2Mg+O2MgO2

°PŠ¹

  Þó‡´ Ü™ô¶ Ü «ñŸð†ì M¬ùð´ ªð£¼œèœ «ê˜‰¶ å¼ M¬ù M¬÷ªð£¼¬÷ à¼õ£‚°‹ M¬ù ô¬èM¬ù âùŠð´‹.

âF˜ð£˜‚°‹ Mù£‚èœ

1. âKîL™ àœ÷ «õF ñ£Ÿø‹ â¡ù?

90. ̫ M

www.indiasudar.org90

Page 99: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 99/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  «õFM¬ùJ¬ù ðò¡ð´ˆF cK¬ù îƒè‹ «ð£ô åOó„ ªêŒî™

«î¬õŠð´‹ ªð£¼†èœ

  ªô†¬ï†«ó† àŠ¹, ªð£†ì£Cò‹ Ü«ò£¬ì´, è‡í£® ºè¬õ, c˜, ªñ¿°õ˜ˆF,bŠªð†®

ªêŒº¬ø

  è‡í£® ºè¬õJ™ CPî÷¾ ªô†¬ï†«ó† àŠH¬ù â´ˆ¶‚ ªè£‡´ cK¬ù„«ê˜ˆ¶ ªô†¬ï†«ó† è¬óêL¬ùˆ îò£Kˆ¶‚ ªè£œ÷ «õ‡´‹. Þ‚è¬óê½ì¡CPî÷¾ ªð£†ì£Cò‹ Ü«ò£¬ì´ è¬óê¬ô‚ «ê˜ˆ¶‚ èô‚è «õ‡´‹. è¬óêô£ù¶ñ…êœ Gøñ£è ñ£Áõî¬ù‚ è£íô£‹. Þ‹ñ…êœ Gø‚è¬óê¬ô ªñ¿°õ˜ˆFJ¡àîM»ì¡ Ŵ𴈶‹ «ð£¶ ñ…êœ Gøñ£ù¶ ñ¬øõî¬ù‚ è£íô£‹. è¬óê™ GøñŸøè¬óêô£è ñ£Pò H¡ù˜ CP¶ «ïó‹ âšMî Þ¬ìÎÁI¡P è¬óê¬ô‚ °O˜M‚è«õ‡´‹. °O˜‰î è¬óêL¬ù  àŸÁ «ï£‚°‹ «ð£¶ è¬óêLÂœ îƒè Gø‹ «ð£¡ø¶èœèœ åO˜õî¬ù‚ è£íô£‹.

  Þî¡ Íô‹ «õFM¬ùJ¬ùŠ ðò¡ð´ˆF cK¬ù åOó„ ªêŒòô£‹ â¡ð¬îÜPòô£‹.

M÷‚è‹

  ªô†¬ï†«ó†ì£ù¶ ªð£†ì£Cò‹ Ü«ò£¬ì´ì¡ M¬ù¹Kõî¡ Íô‹, ªô†Ü«ò£¬ì´ â¡Â‹ ñ…êœGø M¬ù M¬÷Š ªð£¼¬÷ˆ î¼A¡ø¶.

  Pb(No ) + 2KI PbI + 2KNo3 2 2 3

 

Þ‹ñ…êœ Gø‚ è¬óêô£ù¶ ªõŠðˆFù£™ HK‚èŠð†´ I…Cò ð°FŠ ªð£¼†èœ îƒè‹«ð£ô åO˜A¡øù.

Mù£‚èœ

1. ÞšM¬ù âšõ¬è M¬ù¬ò„ ꣘‰î¶?

2. ªô† Ü«ò£¬ì´ âšõ£Á à¼õ£A¡ø¶?

91. «õFM¬ùJ¬ùŠ ðò¡ð´ˆF cK¬ù

åOó„ ªêŒò Þò½ñ£?

www.indiasudar.org

(ñ…êœGø

i›ð®¾)

91

Page 100: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 100/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ñ‡ªí‡¬íŒ, ªð†«ó£™ «ð£¡ø âKªð£¼†èœ àîMJ¡P Ýó…²ðöˆ«î£L¬ùŠ ðò¡ð´ˆFˆ b„²õ£¬ô¬ò à‡ì£‚°î™

«î¬õŠð´‹ ªð£¼†èœ

  Ýó…² Ü™ô¶ ꣈¶‚°® ðöˆ«î£™, ªñ¿°õ˜ˆF, bŠªð†®

ªêŒº¬ø

  Ýó…² ðöˆF¬ìòˆ «î£L¬ù àKˆ¶ «î£¬ô ñ†´‹ «ê£î¬ù‚° â´ˆ¶‚

ªè£œ÷ «õ‡´‹. ªñ¿°õ˜ˆF¬òŠ ðŸø ¬õˆ¶ ï¡ø£è âKò Mì «õ‡´‹. Ýó…²ðöˆ«î£L¬ù ªñ¿°õ˜ˆF âK»‹ ÞìˆF™ HN‰¶ Mì «õ‡´‹. Ýó…²ðöˆ«î£LL¼‰¶ ªõO«òÁ‹ FóõˆF¡ F¬êJ™ ªï¼Šð£ù¶ å¼ ²õ£¬ô¬òŠ«ð£¡Á «î£¡P ñ¬øõ¬î‚ è£íô£‹. Ý󅲊 ðöˆ«î£L™ àœ÷ Fóõ‹ º®»‹ õ¬óðò¡ð´ˆîô£‹.

M÷‚è‹

  Ý󅲊 ðöˆF™ C†K‚ ÜIô‹ àœ÷¬î  ÜP«õ£‹. Ü«î «ð£™ Ýó…² ðöˆ«î£L™ ªì˜Hù£™ â¡Â‹ «õFŠªð£¼œ àœ÷¶. Þ¶ å¼ èKñŠ ªð£¼œ. ªð£¶õ£è«õèKñ„ «ê˜ñƒèœ ܬùˆ¶‹ ¹¬è»ì¡ îò ²õ£¬ô¬ò à‡ì£‚è‚ Ã®ò¬õ. Üî¡

è£óíñ£è«õ  HN»‹ «ð£¶ ªõOŠð´‹ ªì˜Hù£™ ªñ¿°õ˜ˆFJ¡ ²ìK™ ð†´âK‰¶ å¼ ²õ£¬ôŠ «ð£¡ø ܬñŠ¬ð à‡ì£‚°A¡øù â¡ðî¬ù ÜPòô£‹.

92. âOò º¬øJ™ b„²õ£¬ô

www.indiasudar.org92

Page 101: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 101/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  å¼ ð®ˆî£ù ñŸÁ‹ ðô ð®ˆî£ù‚ èô¬õèœ îò£K‚°‹ º¬ø ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  è‡í£® ºè¬õ, c˜, ê£î£óí àŠ¹, ñó‚èK, ñí™, è‡í£®‚ °„C.

ªêŒº¬ø

  è‡í£®‚ °´¬õJ™ ð£Fò÷¾ c¬ó GóŠH, ÜF™ CPî÷¾ ê£î£óí àŠ¬ð„ «ê˜ˆ¶

ï¡ø£è‚ èô‚辋. H¡¹ â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

  Þ«î «ð£™ ñŸ«ø£˜ ºè¬õJ™, ªð£®ò£‚èŠð†ì ñó‚èK¬ò»‹, CPî÷¾ ñí¬ô»‹«ê˜ˆ¶ ï¡° èô‚辋. H¡¹ â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  î‡a¼ì¡ àŠ¬ð„ «ê˜ˆ¶‚ èô‚Aù£™ àŠð£ù¶ î‡aK™ è¬ó‰¶ M´‹.Üî£õ¶, àŠ¹ˆ ¶èœè¬÷, c˜̂ ¶OèOL¼‰¶ «õÁð´ˆF ÜPò º®ò£¶. ÞFL¼‰¶àŠ¹ˆ¶èœèÀ‹, c˜ˆ¶èœèÀ‹ å«ó Yó£è‚ èô‰¶œ÷ù â¡ð¶ ªîOõ£Aø¶. Þšõ¬è‚èô¬õ¬ò å¼ ð®ˆî£ù èô¬õ â¡A«ø£‹.

  ñ‡¶èœè¬÷»‹, èKˆ¶èœè¬÷»‹ å¡ø£è„ «ê˜‚°‹ ªð£¿¶ ñ‡¶èœèOL¼‰¶,èKˆ¶èœè¬÷ «õÁð´ˆF ܬìò£÷‹ è£í Þò½‹. Þ¬õèœ å«ó Yó£èèô‚èŠðì£î¬î»‹ ÜPòô£‹. å¼ Cô ÞìƒèO™ èKˆ¶èœèœ ñ‡¶èœè¬÷ MìÜFèñ£è Þ¼‚°‹. Þ‚èô¬õŠ ðôð®ˆî£ù èô¬õ Ý°‹.

Mù£‚èœ

1. å¼ ð®ˆî£ù èô¬õ â¡ø£™ â¡ù?

2. cƒèœ ܼ‰¶‹ «îm˜ âšõ¬èò£ù‚ èô¬õ?

3. i´ è†ì àð«ò£èŠð´ˆ¶‹ Cªñ‡† ñí™ èô¬õ âšõ¬èò£ù‚ èô¬õ?

93. å¼ ð®ˆî£ù èô¬õ ñŸÁ‹ ðô ð®ˆî£ù

èô¬õ îò£Kˆî™

www.indiasudar.org   93

Page 102: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 102/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  «õFM¬ùJ™ 裟P¡ (Ý‚Rü¡) ðò¡ð£´ ðŸP ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  °À‚«è£v, «ê£®ò‹ ¬ý†ó£‚¬ú´ M™¬ôèœ, ªñˆFh¡ cô‹, ˹‚ °´¬õ,c˜

ªêŒº¬ø

  ˹‚ °´¬õJÂœ CPî÷¾ °À‚«è£¬ú â´ˆ¶‚ ªè£‡´ c˜ «ê˜ˆ¶ è¬óˆ¶‚

ªè£œ÷ «õ‡´‹. H¡ù˜ Ü‚è¬óê½ì¡ «ê£®ò‹ ¬ý†ó£‚¬ú´ M™¬ôèœCôõŸ¬ø„ «ê˜ˆ¶ ï¡° è¬ó‚è «õ‡´‹. «ê£®ò‹ ¬ý†ó£‚¬ú´ M™¬ôèœè¬ó‰î¬î àÁF ªêŒò¾‹. H¡ù˜ Ü‚è¬óê½ì¡ Cô ¶Oèœ ªñˆFh¡ côˆF¬ùMì «õ‡´‹. è¬óêô£ù¶ cô Gøñ£è ñ£Ÿøñ¬ìõ¬î‚ è£íô£‹. CP¶ «ïóˆF™è¬óêL¡ cô Gø‹ ñ¬ø‰¶ è¬óêô£ù¶ GøñŸø è¬óêô£è Þ¼Šð¬î‚ è£íô£‹.˹‚ °´¬õJÂœ àœ÷ GøñŸø è¬óêL¬ù ï¡° °½‚°‹ «ð£¶ è¬óêô£ù¶ côGøˆFŸ° ñ£Ÿø‹ ܬìõ¬î‚ è£íô£‹. Þ„ªêòL¬ù e‡´‹ e‡´‹ ªêŒõFù£™è¬óêô£ù¶ GøñŸø è¬óêLL¼‰¶ cô Gøº¬ìò‚ è¬óêô£è ñ£Áõ¬î‚ è£íô£‹.

M÷‚è‹

  °À‚«è£ú£ù¶ «ê£®ò‹ ¬ý†ó£‚¬ú´ì¡ M¬ùð´‹ «ð£¶ ßù«ô†´ â¡Â‹Þ¬ìG¬ô ÜòQ¬ò à¼õ£‚°A¡ø¶. Þ‰î ßù«ô†´ ÜòQò£ù¶ ªñˆFh¡côˆF¡ º¡Q¬ôJ™ Ý‚Rü«ùŸø M¬ùJ™ ß´ð´õ, è¬óêô£ù¶ cô Gøñ£èñ£Ÿø‹ ܬìAø¶.

°PŠ¹

  «õFM¬ùJ¡ «ð£¶ Ý‚Rü¡ M¬ùJ™ àœ÷ M¬ù𴠪𣼆èÀì¡ «ê˜‰¶¬ý†óü¬ù ªõO«òŸÁ‹ ªêò™ð£´ "Ý‚Rü¡ ãŸø‹" âùŠð´‹.

  Þ„«ê£î¬ùJ¡ Íô‹ «õFM¬ùJ¡ «ð£¶ Ý‚Rü¡ ðò¡ð´ˆîŠð´Aø¶

â¡ð¬î ÜP‰¶‚ ªè£œ÷ô£‹.

94. côŠ¹†® M¬ù

www.indiasudar.org94

Page 103: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 103/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  «õF M¬ù Íô‹ Þóˆî‹ «ð£¡ø Fóõˆ¬î à‡´ ð‡í º®»‹ â¡Á ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  ªð˜óv ꙫð† è¬óê™ 5 I.L., Ü‹«ñ£Qò‹ î«ò£ êò«ù† è¬óê™ 5 I.L., ߘ‚°„Cc÷ñ£ù¶.

ªêŒº¬ø

  ºîL™ ªð˜óv ꙫð† è¬óê¬ô â´ˆ¶‚ ªè£œ÷¾‹. H¡ù˜ å¼ ïð¬ó ܬöˆ¶

Ü‚è¬óê¬ô àœ÷ƒ¬èJ™ ï¡° îìõ¾‹. H¡¹ ߘ‚°„C¬ò â´ˆ¶ ÜF™ð£Fò÷MŸ° Ü‹«ñ£Qò‹ î«ò£ êò«ù† è¬óê¬ôˆ îìõ¾‹. àì«ù ªð˜óv ꙫð†è¬óê™ îìõŠð†ì ¬èJ™ ߘ‚°„C¬ò ï¡° H®ˆ¶‚ ªè£œ÷„ ªê£™L, ߘ‚°„C¬òà¼õ¾‹. â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋.

M÷‚è‹

  ªð˜óv ê™«ð†´‹, Ü‹«ñ£Qò‹ î«ò£ êò«ù†´‹ M¬ù¹K»‹ «ð£¶, Þóˆî CõŠ¹Gøº¬ìò i›ð®¾ à‡ì£Aø¶. Þ‰î M¬ù ï¬ìªðø ã¶õ£èˆî£¡ ¬èJ™ ªð˜óvê™«ð†´‹, °„CJ™ Ü‹«ñ£Qò‹ î«ò£ êò«ù†´‹ îìM àœ«÷£‹. Þóˆî‹ «ð£¡Áõ¼õ ñ£íõ˜èœ ðòŠð숫î¬õJ™¬ô â¡Á M÷‚èñOˆ¶, ¬èè¬÷ è¿õ„

ªêŒî£™ CõŠ¹ Gø‹ cƒA M´‹.

Mù£‚èœ

1. Þóˆî‹ «ð£¡Á «õÁ Gøƒè¬÷ «õFŠªð£¼†è¬÷‚ ªè£‡´ à¼õ£‚è º®»ñ£?

95. èˆFJ¡P è£òI¡P Þóˆî‹

www.indiasudar.org   95

Page 104: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 104/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  èô¬õò£ù ¬ñè¬÷Š HK‚°‹ Mîˆ¬îŠ ðŸP ÜP‰¶ ªè£œÀî™.

«î¬õŠð´‹ ªð£¼†èœ

  ðô Gø ¬ñèœ, õ®î£œ, è‡í£® ì‹÷˜, ߘ‚°„C.

ªêŒº¬ø

  輊¹, CõŠ¹ ñŸÁ‹ cô Gø ¬ñèO™ Þ¼‰¶ ° ° ªê£†´‚èœ «ê˜ˆ¶ å¼èô¬õ¬ò à‡ì£‚辋. H¡¹ ߘ‚°„CJ¡ àîMò£™ ¬ñ‚èô¬õ¬ò õ®î£O™

¬õ‚辋. H¡¹ ì‹÷K™ c¬ó â´ˆ¶‚ ªè£‡´ å¼ °„CJ¡ àîMò£™ ¬ñ‚èô¬õàœ÷ ð°F cK™ ð´‹ð®ò£è ¬õ‚辋. CP¶ «ïó‹ èNˆ¶ â¡ù Gè›Aø¶ â¡ð¬î‚èõQ‚辋.

M÷‚è‹

  ¬ñ¬ò à‡ì£‚°‹ Íô‚ÃÁèœ ªõš«õÁ õ®õˆF½‹, ªõš«õÁ â¬ì»ì‹޼‚°‹. «ðŠðK™ có£ù¶ W«ö Þ¼‰¶ «ñ™«ï£‚A ïè¼Aø¶. ÜŠð® ï輋 «ð£¶¬ñJ™ àœ÷ Íô‚ÃÁèœ Üîùî¡ î¡¬ñ‚«èŸð c«ó£´ °¬ø‰î Ü™ô¶ ÜFè Éó‹ï蘉F¼‚°‹. õ®î£O™ Gø Ü´‚°èœ îQˆîQ«òˆ ªîKõ ÜõŸ¬ø âOî£èŠHK‚è º®»‹.

Mù£‚èœ

1. ð£¬ô»‹, î‡a¬ó»‹ èô‰î H¡¹ Þ¶ «ð£ôŠ HK‚è Þò½ñ£?

96. ¬ñ¬òŠ HKˆî™

www.indiasudar.org96

Page 105: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 105/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  èN¾Š ªð£¼†èO™ Þ¼‰¶ âKò‚îò ÞòŸ¬è õ£» A¬ì‚°‹ â¡ð¬î ÜPî™.

«î¬õŠð´‹ ªð£¼†èœ

  CPî÷¾ Þ¬ôèœ, °„Cèœ, è£Aîƒèœ, ñóˆÉœ, Í®»ì¡ îò è‡í£®Šð£†®™, c˜.

ªêŒº¬ø

  è‡í£®Š 𣆮L™ Þ¬ôèœ, °„Cèœ, è£Aîƒèœ, ñóˆÉœ ÝAòõŸ¬ø Þ†´,

CPî÷¾ c¬ó áŸP, Í®ò£™ ÞÁ‚èñ£è Íì «õ‡´‹. Þ‰î ܬñŠH¬ù 20 èœÜŠð®«ò ¬õ‚è «õ‡´‹. H¡ 𣆮¬ôˆ Fø‰¶ å¼ ¹¬è»‹ á¶ðˆF¬ò Üî¡õ£ò¼«è ªè£‡´ ªê™ô «õ‡´‹. â¡ù Gè›Aø¶ â¡ð¬î‚ èõQ‚辋?

M÷‚è‹

  «ñ«ô °PŠH†´œ÷ ܬùˆ¶Š ªð£¼†è¬÷»‹ 𣆮L¡ àœ«÷ «ð£†´ Í®¬õ‚°‹ «ð£¶, ܬõ, ñ‚°‹ ñò£™ èN¾Šªð£¼†è÷£è ñ£ÁA¡øù. Þšõ£Áñ†°‹ «ð£¶ ÞõŸP™ Þ¼‰¶ ÞòŸ¬è õ£» ªõOõ¼Aø¶. ªõO«òÁ‹ ÞòŸ¬èõ£»M™ eˆ«î¡ â¡Â‹ õ£» àœ÷¶.  𣆮L¡ ܼ«è á¶ðˆF¬ò‚ ªè£‡´ªê™½‹ «ð£¶, eˆ«î¡ õ£»õ£ù¶ âKAø¶.

Mù£‚èœ

1. ÞòŸ¬è õ£» â¡ø£™ â¡ù?

2. ÞòŸ¬è õ£» âšõ£Á à¼õ£Aø¶?

3. á¶ðˆF âšõ£Á bŠH®ˆî¶?

4. àù‚°ˆ ªîK‰î «õÁ ã«î‹ ÞòŸ¬è õ£»‚èœ â¬õ?

97. ÞòŸ¬è õ£»

www.indiasudar.org   97

Page 106: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 106/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ÅKò I¡ ÝŸø¬ôŠ ðŸP ñ£íõ˜èOì‹ ÜPò„ ªêŒî™.

ÅKò I¡ ÝŸø™ â¡ø£™ â¡ù?

  ÅKò I¡ÝŸø™ â¡ð¶ ÅKòQ¡ åOÝŸøL™ Þ¼‰¶ I¡ ÝŸø¬ôŠ ªðÁõ‹.ÅKò I¡ ܵ‚èF˜èœ åO, I¡ù¿ˆFèÀ‚°A¬ì‚°‹ «ð£¶ ÅKò åO‚èF˜ ÝŸø¬ôI¡ù£Ÿøô£è ñ£ŸP I¡ê£ó‹ ªðøŠð´Aø¶.

ÅKò I¡ ÝŸø™ ðò¡èœ

  àJKùƒèœ õ£›õˆ «î¬õò£ùÝŸø¬ô‚ ªè£´Šð¶ ÅKò¡ Ý°‹. ÅKò I¡ÝŸø™ ðè™ ªð£¿F™ I辋 ðòÂœ÷î£èÞ¼‚Aø¶. ÅKò ÝŸø¬ô ðò¡ð´ˆ¶õF™,ÅKò ÝŸø™ I¡ù£Ÿøô£è ñ£ŸÁ‹ ÅKòI¡èôˆ¬î àð«ò£Aˆ¶ ªõŸP‚ ªè£œ÷Šð´Aø¶. Þî¡ Íô‹ ²ŸÁ„Åö™ ð£FŠ¹Ü¬ìò£¶. I¡ê£óˆ «î¬õèœ âOò º¬øJ™ G¬ø¾ ªêŒòŠð´Aø¶.

ÅKò I¡ÝŸø™ àŸðˆF âšõ£Á ï¬ìªðÁAø¶?  ï‹ i†®¡ «ñ™ð°FJ™ å¼ ÅKò I¡èôŠ ðô¬è¬ò, ÅKò åO ð´ñ£Á ªð£¼ˆî«õ‡´‹. ÅKò åOò£ù¶, Þ‰î ÅKò I¡èôŠ ðô¬èJ™ ð´‹«ð£¶, ÜõŸP™ àœ÷åO I¡ù¿ˆFèœ ÅKò åO ÝŸø¬ô I¡ù£Ÿøô£è ñ£ŸÁA¡ø¶.

  Þ‰î I¡ù£Ÿø¬ô «ï˜ F¬ê I¡ê£óˆF¡ Íô‹ ªðKò I¡èôˆF™ «êIˆ¶¬õ‚èô£‹. Üîù£™ ïñ‚° I¡ê£ó‹ «î¬õò£ù ªð£¿¶ ñ£ÁF¬êò£‚A (Inverter)â¡Â‹è¼MJ¡ Íô‹ «ï˜ F¬ê I¡ê£óˆ¬î (Direct Current)  ñ£ÁF¬ê I¡ê£óñ£è(Alternate Current) ñ£ŸP i†®™ àœ÷ I¡ê£îùŠ ªð£¼†èÀ‚°Š ðò¡ð´ˆîô£‹. Þî¡Íô‹ I¡ðŸø£‚ °¬ø¬ò„ êñ£O‚èô£‹.

  ÅKò I¡ ÝŸø™ àŸðˆF â¡ð¶, I¡ê£óˆ «î¬õè¬÷ G¬ø¾ ªêŒõ¶ ñ†´‹Þ™ô£ñ™, ²ŸÁ„Åö¬ô»‹ ð£F‚è£î ÝŸøô£èŠ ðò¡ð´Aø¶.

Mù£‚èœ

1. ÅKò I¡ ÝŸø™ â¡ø£™ â¡ù?

2. ÅKò I¡ ÝŸøL™ I¡ê£ó‹ âŠð® àŸðˆF ÝAø¶?

3. «õÁ â‰î º¬øèO™ I¡ê£ó‹ àŸðˆF ï¬ìªðÁAø¶? ÜõŸPŸ°‹ ÅKò I¡àŸðˆF‚°‹ àœ÷ «õÁ𣴠â¡ù?

98. ÅKò I¡ù£Ÿø™

www.indiasudar.org98

Page 107: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 107/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  裟ø£¬ô Íô‹ I¡ê£ó‹ àŸðˆF ªêŒî™ ðŸP ÜPî™.

裟ø£¬ô â¡ø£™ â¡ù?

  裟ø£¬ô â¡ð¶ 裟P¡ ÝŸøL¡ àîMò£™ 裟ø£®«ð£¡ø ܬñŠð£°‹. ÞF™ Þò‰Fó ÝŸø™ I¡ ÝŸøô£èñ£ŸøŠð´Aø¶. Þ‰î õ¬èJ™ àŸðˆF ªêŒòŠð´‹ÝŸø™èœ ²ŸÁ„Åö¬ô ñ£²ð´ˆî£îˆ Éò ÝŸø™ Ý°‹.

裟ø£¬ôJ¡ ðò¡èœ

裟P¡ ÝŸø™ ²ŸÁ„ Åö™ ¬ìò¶  (Eco Friendly). «ñ½‹ Fø¡ I°‰î ¹¶ŠH‚è‚ Ã®ò ÝŸø™ Íô‹I¡ù£Ÿø™ àŸðˆF‚°ˆ ªî£ì˜ ªêô¾èœ «î¬õŠð죶.M¬êò£N‚°ˆ «î¬õò£ù «õ般î G¬ôGÁˆî 裟P¡«õè‹ ñE‚° 15 A.e Mì ÜFèñ£è Þ¼‚è «õ‡´‹.«ñ½‹ Þ¶ 5000 ªñè£õ£† I¡ù£Ÿø¬ô àŸðˆF ªêŒ»‹Fø¡ ªè£‡ì¶.

裟ø£¬ô Íô‹ I¡ àŸðˆF âšõ£Á ï¬ìªðÁAø¶?

  裟ø£®èœ ²ŸÁ‹ «ð£¶, 裟Á à¼õ£‚°‹ ÝŸø™ 裟ø£¬ôJ¡ àœ«÷ àœ÷ Aò˜Ü¬ñŠH¬ù„ ²Ÿø ¬õ‚Aø¶. Þ‰î Aò˜ ܬñŠ«ð£´ Þ¬í‚èŠð†ì I¡ ÞòŸP(Generator) è¬÷‚ °PŠH†ì «õèˆF™ ²Ÿø ¬õŠðî¡ Íô‹, I¡ê£ó‹ â´‚èŠð´A¡ø¶.I¡ ÞòŸP Íô‹ A¬ì‚°‹ I¡ÝŸø™ «ï˜F¬ê I¡«ù£†ìñ£è (Direct Current) I¡«êIŠ¹‚ èôˆF™ «êI‚èŠð´Aø¶. «ï˜ F¬ê I¡ê£óˆ¬î ñ£ÁF¬êò£‚A (Inverter) â¡Â‹ è¼MJ¡ Íô‹ ܼA™ àœ÷ I¡ê£ó «êIŠ¹ ܬøJ™ ñ£ÁF¬ê I¡ê£óñ£è(Alternate Current)ñ£ŸP «êI‚èŠð´Aø¶.

  Þî¡ Íô‹ àŸðˆF ªêŒ»‹ I¡ê£óˆ¬î I¡ñ£ŸP  (Transformer) Íô‹ ð£¶è£Šð£èâ´ˆ¶„ ªê™ôô£‹. «ñ½‹ Þ¬õ ²ŸÁ„ Åö½‚° «è´ M¬÷M‚è£î Éò ÝŸø™ Íô‹

Ý°‹

Mù£‚èœ

1. 裟ø£¬ô â¡ø£™ â¡ù?

2. 裟ø£¬ôJ™ Þ¼‰¶ I¡ê£ó‹ âšõ£Á àŸðˆF„ ªêŒòŠð´Aø¶?

99. 裟ø£¬ô I¡ àŸðˆF

www.indiasudar.org   99

Page 108: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 108/110

Science Experimental Based Learning & Awareness Ver. 2.0

«ï£‚è‹

  ñ¬öc˜ «êIˆî™ ñŸÁ‹ Üî¡ ðò¡è¬÷Š ðŸP ÜPî™.

ñ¬öc˜ «êèKŠ¹ â¡ø£™ â¡ù?

  ñ¬ö ªð£N»‹ «ð£¶, ÌIJ™ M¿‰¶, ií£°‹ c¬ó °PŠH†ì ܬñŠ¹èO¡ Íô‹ïñ¶ «î¬õèÀ‚è£è„ «êIˆ¶ ¬õŠð¶ Ý°‹.

ñ¬öc˜ «êIŠH¡ ðò¡èœ

ñ¬öc¬ó «êèKˆ¶ ïñ¶ °®c˜ «î¬õ‚°‹, 裙ï¬ìèÀ‚°‹, c˜Šð£êùˆFŸ°‹

ñŸÁ‹ Gôˆî® c˜ ñ†ìˆ¬î àò˜ˆ¶õ‹ ðò¡ð´ˆîô£‹. Þîù£™ Gôˆî® c˜ ñ†ì‹àò˜ˆîŠð´õ, ñ¬ö Þ™ô£î ð¼õè£ôƒèO™ Gôˆî® c˜ñ†ì‹ ïñ‚° ¬èªè£´‚°‹. ï‹ ï£†®¡ Mõê£ò õ÷‹ ÜFèñ£°‹ «ð£¶ M¬÷„ê™ ªð¼°‹. CôÅ›G¬ôèO™ ñ¬öc˜ å¡«ø âOF™ A¬ì‚è‚îò, ÜFè ªêô¾ Þ™ô£î C‚èùñ£ùc˜ Ýî£ó‹. ÞˆF†ì‹ àœÙK«ô«ò A¬ì‚è‚îò M¬ôñLõ£ù ÍôŠªð£¼†è¬÷‚ªè£‡´ âOî£è‚ è†ì¬ñ‚èŠð´Aø¶.

ñ¬öc˜ «êèKŠ¹ˆ ªî£†®¬ò âšõ£Á ܬñŠð¶?

  ï‹ i†´ ñ£®J½‹, ìóJ½‹ M¿‹ ñ¬öc¬ó °ö£Œèœ Íô‹ ï‹ñ£™Ü¬ñ‚èŠð´‹ õ®è†®ˆ ªî£†®J™ M¿ñ£Á ªêŒò «õ‡´‹. õ®è†®ˆ ªî£†®J™

æ¬ì‚è™, ªêƒè™, ü™L ñŸÁ‹ ñí™ «ð£¡øõŸø£™ GóŠH, Üî¬ù 裡Ag† Í®ªè£‡´ ÍìŠðì «õ‡´‹. õ®è†®ˆ ªî£†®J™ àœ÷ ªð£¼†èœ ñ¬öcK™ èô‰¶õ¼‹ èN¾Šªð£¼†èœ, ÉC ñŸÁ‹ ñ†°‹ ªð£¼†è¬÷ õ®è†® Éò có£è ñ£ŸÁAø¶.õ®è†®ˆ ªî£†®J™ Éò c˜ ªõO«òø °ö£Œ 塬øŠ ªð£¼ˆF, Üî¬ù ܼA™ àœ÷AíÁ Ü™ô¶ Éò c˜ «êIŠ¹ˆ ªî£†®J™ Þ¬í‚èŠðì «õ‡´‹. Þšõ£Á«êI‚èŠð´‹ Éò c¬ó ïñ¶ Ü¡ø£ìˆ «î¬õèÀ‚°Š ðò¡ð´ˆF‚ ªè£œ÷ô£‹.

Mù£‚èœ

1. ñ¬öc˜ «êèKŠ¹ â¡ø£™ â¡ù?

2. ñ¬öc˜ «êèKŠH¡ ðò¡ â¡ù?3. ñ¬öc˜ «êèKŠ¹ Iè ÜõCòñ£ù å¡ø£? ã¡?

100. ñ¬öc˜ «êèKŠ¹

www.indiasudar.org100

Page 109: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 109/110

Þ‰Fò„²ì˜ ÜPMò™ ªêò™ð£´èO™

Cô 裆Cˆ¶O蜠

èϘ ñ£õ†ìˆF™ ÜPMò™ M¼¶ªðŸø ñ£íõ˜èœ

F¼ŠÌ˜ ñ£õ†ìˆF™ ÜPMò™ M¼¶ªðŸø ñ£íõ˜èœ

âOò «ê£î¬ùèœ õN ÜPMò™èŸø™ ªêò™ð£´èO™ ªêŒº¬øM÷‚è‹ ÜO‚°‹ ÝCKò˜

âOò «ê£î¬ùèœ õN ÜPMò™ èŸø™ªêò™ð£´èO™ ªêŒº¬ø M÷‚è‹

ÜO‚°‹ ÝCKò˜

èϘ ñ£õ†ìˆF™ ï¬ìªðŸøâOò «ê£î¬ùèœ õN ÜPMò™ èŸø™

ðJŸCJ™ èô‰¶ ªè£‡ì ÝCKò˜èœ

F¼ŠÌ˜ ñ£õ†ì‹, ªõœ÷‚«è£ML™ ï¬ìªðŸøâOò «ê£î¬ùèœ õN ÜPMò™ èŸø™

ðJŸCJ™ èô‰¶ ªè£‡ì ÝCKò˜èœ

Page 110: India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

8/3/2019 India Sudar - Science Experimental Based Learning and Awareness - eBook - OCPL - Ver 3.0

http://slidepdf.com/reader/full/india-sudar-science-experimental-based-learning-and-awareness-ebook-ocpl 110/110