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Rishi Aurobindo Memorial Academy
134 P. K. Guha Road DumDum Kol-28
Study Material of 30/3/2020
For Class Nursery to Nine
Class Nursery
Subject
Topic
Execution
English
· Reading Book
· Practice Book
· Pg 4 – 9 (Oral)
· Pg 4 (Write)
Math
· Practice Book
· Pg 34 (Write)
Hindi
· Letter ‘ अ ’
· Write in Copy
Bengali
· এসো লিখি
· Pg 3 (Write)
KG I
Subject
Topic
Execution
English
· Reading Book
· Pg 8, 9
Math
· Reading Book
· Pg 135
Bengali
· সাহিত্য মুকুল
· Pg 5
Hindi
· गिनती
· १ से १० तक लिखिए (1 to 10)
KG II
Subject
Topic
Execution
English (Term 1 Book)
· Pg 42, 43, 44
· Rhymes Pg 64
· Listen and read
· Listen Read & Repeat
Math (Term 1 Book)
· Pg 79
· Read and write
Science (Term 1 Book)
· Pg 123
· Listen, read & Repeat
Class I
Subject
Topic
Summary
Execution
Hindi
Chapter 1 (अमात्रिक शब्द)
अमात्रिकशब्द:- जिन शब्दों में मात्रा का उपयोग नहीं होता है (बिना मात्रा वाले शब्द), उन्हें अमात्रिक शब्द कहते हैं।
यह तीन प्रकार के होते हैं-1. दो वर्णों वाले शब्द 2.तीन वर्ण वाले शब्द 3.चार वर्ण वाले शब्द।
Book page -15
दो वर्ण वाले शब्द:-
1.खाली स्थान भरिए:-
फल/धन/रथ/ बस
चित्रों को उनके नाम से मिलाइए:- नल ,हल ,नथ ,जग
Book page -17
तीन वर्ण वाले शब्द:-
1.चित्रोंकोदेखिएऔरउनकेनामलिखिए:-
बतख/ मगर/ नयन /बटन
2.रिक्त स्थान भरिए:-
भगत /महल/ लहर/ पकड़/ नहर /चरम/ पलक/मटर
Bengali
বই–আবোল তাবোল
কবি সুকুমার রায় একজন বিখ্যাত শিশু সাহিত্যিক। তার আবোল তাবোল কাব্যগ্রন্থের কবিতাগুলি যেমন শিশু মনোরঞ্জক তেমনি বেশ কিছু কবিতা গভীরঅর্থবহ।
আবোল তাবোল কবিতা মুখস্থ করো।
English 1
Chapter 2 (One and many)
We add “s” to words to show many like book-books ,pencil- pencils
Solved exercises from book:-
A.Complete the table:-
1.chairs - chairs2.boy -boys
3.belt -belts4.shirt -shirts
5.fan -fans
6.lion -lions
7.elephant-elephants
8.window-Windows
9.Apple -apples10.cap -caps
English 2
Chapter 3(excuse me, please)
This is a story of a small village boy named Raghu. In this story we get to know how Raghu spends his day by playing with his chicks, hens, goat and monkey that he had. He was sometimes becomes careless as his birds and animals get into the house of other people and they get angry with him.
We also get to know that if we want to have somebody’s attention then we should say politely as “excuse me, please”.
Read the lesson.
EVS
Chapter -7 (Clothes)
We wear clothes to protect ourselves from heat, cold, rain, insect bites, dirt and dust.
We wear clean clothes to look smart.
We wear different clothes in different Seasons. We should take good care of our clothes.
Read the lesson.
Maths
Chapter 3
Before :-The before number means one number less than the given number (previous number).
After:-After number means one number more or greater than the given number (next number).
Between:-Between number means one number more than previous number and one number less than the next number.
Page 183:-quick check
1. What comes after?
a) 4 5 b) 7 8 c) 0 1
d) 1 2 e) 3 4
2. What comes before?
a) 6 7 b) 1 2 c) 2 3
d) 5 6 e) 8 9
3. What comes between?
a) 7 8 9 b) 0 1 2 c) 5 6 7
d) 6 7 8 e) 4 5 6
Do the rest as homework in book page 183
Class II
Subject
Topic
Summary
Execution
English language
Ch 2 One and Many
We change nouns that end with f or fe to ves to form their plural. For eg. Wife-wives,
Calf- calves.
Some nouns that end with f can be made pluaral by adding s or ves .for eg. Hoof – hoofs/hooves .
But some nouns that end with f can only be made plural by adding s .for eg. Chef- chefs.
Refer to Page 13 ex –C
C. Say and write the plurals.
ANSWERS
1) calves 2)thieves 3)benches
4) Radishes. 5) glasses 6)knives
7) halves 8)photos 9)roofs
10) leaves 11)dishes 12)shelves
13) pianos 14) wives 15)chiefs
Eng literature
Poem- The Game
This poem of an outdoor game that is football. This game is played between two teams of 11 players each. There are two goal keepers at each end of the ground to stop the opponent from taking goals. The team that scores maximum number of goals at agiven times wins the match. In this poem a boy along with his friends are enjoying themselves by playing football. They love to run and make goals and cheer by clapping when a goal is made. This game is great fun to them.
Learn first 4 lines from the poem
EVS
Ch 2 My Body
Page 95
Time to Answer
State the following statements as True or False.
Refer to pg 95 Answers.
1) True 2) False 3) True 4)True
Mathematics
NUMBERS REVISION
EXPANDED FORM
REDUCED FORM
12) WRITE IN EXPANDED FORM
a)26=2 Tens+6 Ones
b)39=3 Tens+9 Ones
54=5 Tens+4 Ones
13) WRITE IN REDUCED FORM
a)8 Tens+0 Ones=80
b)9 Tens+1 One=91
Bengali
বই–আবোল তাবোল কবি–সুকুমার রায়
ছড়া–ভয় পেয়োনা
কবি সুকুমার রায় একজন বিখ্যাত শিশু সাহিত্যিক। তার আবোল তাবোল কাব্যগ্রন্থের কবিতাগুলি যেমন শিশু মনোরঞ্জক তেমনি বেশ কিছু কবিতা গভীর অর্থবহ। ভয় পেয়োনা কবিতাটির মধ্য দিয়ে কবি সকলের মধ্যে নির্ভিকতার বাণী ছড়িয়ে দিতে চেয়েছেন।
ভয় পেয়োনা কবিতাটি মুখস্থ করো।
Hindi
Chapter-3 बादल कैसे बनते हैं
इस कहानी मे अध्यापिका बच्चों को सिखाती है कि “भाप कैसे बनते हैं” और फिर सुनील बादलों के बननेके बारे में पूरे कक्षा को समझाता है।इस कहानी से हम यह सीख पाते हैं कि बादल भाप से बनते हैं और आपस में जुड़कर काले बादल बनते हैं और जब वह भारी हो जाते हैं तो बारिश के रूप में नीचे धरती पर नीचे धरती पर आ जाते हैं इस प्रक्रिया को जल चक्र भी कहते हैं
बादल कैसे बनते हैं” पाठ कोध्यान सेपढ़िए।
Read the lesson.
Class III
Subject
Topic
Summary
Execution
COMPUTER
CHAPTER-1 (COMPUTER SYSTEM)
DONE IN THE PREVIOUS CLASS
REFER PAGE NUMBER 7 AND 8
B) FILL IN THE BLANKS
1) SYSTEM SOFTWARE, 2) JOYSTICK, 3) HARDWARE, 4) SOFTWARE, 5) KEYBOARD, 6) APPLICATION SOFTWARE.
C) WRITE TRUE AND FALSE
1) FALSE, 2)FALSE, 3)TRUE, 4)TRUE, 5)FALSE, 6)FALSE.
D) MATCH THE FOLLOWING
1) COMPUTER SOFTWARE---b) SET OF PROGRAMS
2) OUTPUT DEVICE--f) SPEAKERS
3) HARD DISC--d) STORAGE DEVICE
4) JOYSTICK--e) INPUT DEVICE
5) WORD PROCESSING SOFTWARE--c) APPLICATION SOFTWARE
6) MICROSOFT WINDOWS--a) SYSTEM SOFTWARE.
ENGLISH I
CHAPTER-4 (ARTICLES)
Articles consists of the words – a, an and the. We use a for singular nouns that starts with a consonant and an when it starts with a vowel. The is used when we are saying something more about that particular noun
Page 11
Warm up
1. The Red Fort is a popular tourist destination.
2. The burgers we had from that restaurant were good.
3. At the zoo, I saw an elephant.
4. Angie wants a pup for her birthday.
5. Brian is a Goan.
6. The dog that bit me ran away.
7. I need a phone.
8. Mr. Shastri is a teacher.
9.That is an excellent film
SST
HERITAGE BUILDING
A building which has a historic, cultural or architectural value is called a heritage building. Our heritage is the link to our past. Taj Mahal in Agra is a famous monument. Mughal emperor Shah Jahan built it in memory of his beloved wife Mumtaz Mahal. It took 22 years to complete it in 1653. It is made up of white marbles
1. What is a heritage building?
Ans: A building which has same historic, cultural or architectural value is called a heritage building.
2. When do we celebrate UNESCO World Heritage Day?
Ans: April 18th is celebrated as UNESCO World Heritage Day.
3. Who built Taj Mahal, for whom and when?
Ans: Taj Mahal was built in 1653 by Shah Jahan in memory of his wife Mumtaz Mahal.
4. Where is Taj Mahal situated?
Ans: Taj Mahal is situated in Agra on the banks of river Yamuna.
BENGALI
বই – বাংলা সাহিত্য পরিচয়
কবিতা – কাজের লোক
অনুশীলনীর প্রশ্নোত্তর
১।ক) ওই ফুল ফোটে ( বনে / বাগানে / গাছে)
খ) মৌমাছি নেচে নেচে যায় ( মনের খেয়ালে / মধু সংগ্রহ করতে / ফুলের গন্ধে )।
গ) ছোট পাখি বাসা তৈরির জন্য এনেছে ( তৃণলতা / বনলতা /ফুল পাতা )।
ঘ) পিপীলিকা সারাদিন ব্যস্ত ( আশ্রয়ের খোঁজে / বাচ্চাদের খোঁজে / খাদ্যের খোঁজে )।
২।ক) মৌমাছি নাচে নাচে কোথায় যায় ?
উঃ বনে মধু আহরণ করতে ।
খ) ছোট পাখি কিভাবে ডাকে ?
উঃ কিচিমিচি ডাকে।
গ) ছোট পাখি কি দিয়ে বাসা বোনে ?
উঃ তৃণলতা দিয়ে ।
ঘ) পিপীলিকা কোন ঋতুর জন্য খাদ্য সঞ্চয় করতে চায় ?
উঃ শীত ঋতুর জন্য।
HINDI
Chapter 4 चंदा मामा (कविता)
कवि परिचय:- रामनरेश त्रिपाठी जौनपुर के रहने वाले थे। इनकी कविता भाव से भरी होती हैं। इन्होंने बहुत से पुस्तक लिखे हैं। इन्हें “हिंदुस्तान अकैडमी पुरस्कार” से सम्मानित किया गया है।
चंदामामा एक बाल कविता है। जिसमें चंदामामा और उनकी पत्नी “निशा” मामी के क्रियाकलापो के बारे में बताया गया है।
Read and learn the poem 8 lines कवि के नाम के साथ।
SCIENCE
CHAPTER-COMMON INSECTS
We can see insects almost everywhere. They are on the ground, in the water and as well as in the air. Insects are the largest group of animals on the earth. They are of different shapes, sizes and look also different from each other. All insects have three pairs of legs. These help them to walk, crawl and also swim.
Solved exercise question and answer:
A) Write the correct answer:
1. These insects cannot fly – Lice.
2. The baby insect of a butterfly is called – Larva.
3. These insects cause great damage to house and wooden articles – Termites.
4. Dengue is spread by – Aedes mosquitoes.
MATHEMATICS
Ch:2
Numbers and Number Names
Ch:2
Numbers and Number Names
Exercise:6
Example:2 Which is greater: 5384 or 5297?
Solution: 5384 is greater than 5297
Or, 5384 5297.
Example:3 Which is smaller: 9836 or 9840?
Solution: 9836 is smaller than 9840
Or, 9836 9840.
Exercise:
Put or or = in the space provided to make sentence true:
2. 768 789
3. 423 441
9. 1889 1886
10. 999+1 1000
11. 2009 Two thousand ninety
12. 3018 3000+10+8
Solution:
2. 768 789
3. 423 441
9. 1889 1886
10. 999+1 1000
11. 2009 Two thousand ninety
12. 3018 3000+10+8
1. Ascending order means “from smaller to greater”.
2. Descending order means “from greater to smaller”.
3. Successor: The number that comes just after a particular is called successor.
The successor of a number is one more than the given number.
4. Predecessor: The number that comes just before a particular number is called its predecessor. The predecessor of a number is one less than the given number.
*NOTE: The predecessor of zero will be taught in higher class.
Exercise:7
· Example:4 Write the smallest and the greatest number using 8,0,5 (without repeating a digit).
· Solution:
3-digit smallest number = 508
3-digit greatest number = 850
· Example:5 Write the smallest and the greatest 4-digit numbers by using all the digits: (a) 3,8,5,6 and (b) 5,0,2,9
· Solution:
(a) Smallest number = 3568
Greatest number = 8653
(b) Smallest number = 2059
Greatest number = 9520
· Example:6 Form greatest and smallest numbers of 4 digits using all of the digits 0,3 and 6 (repetition allowed).
· Solution:
Greatest number of 4 digits = 6630
Smallest number of 4 digits =3006
· Example:7 Write the smallest and greatest 3-digit numbers using 2 digits only.
· Solution:
Smallest 3-digit number = 100
Greatest 3-digit number = 998
Class IV
Subject
Topic
Summary
Execution
English language
Nouns: countable and uncountable noun
Uncountable nouns: quantity sometimes we use a word or words with some uncountable nouns to give an idea of quantity, that is, how much. Example: no electricity, some tooth paste.
Choose the correct forms of the words from those given in brackets and rewrite the following sentences: ( correct words have given)
1. Babies, milk. 2. Blood.
3. Vans, luggage 4. Absence.
5. Noises, music. 6. Water, illness.
7. Books, time. 8. Help, trouble.
9. Hair. 10. Fun 11. Luck.
12. Food. 13. Energy, Studies.
14. Poverty, Money. 15. Snow.
MATHEMATICS
Ch:2
Numbers and Number Names
Order relation:
Rule: 1 A number containing more digits is greater than the number containing less digits.
Rule: 2 If two numbers contain the same number of digits, we compare them by their left most digits. If the left most digits are also the same, we compare them by their next digits to the right and so on.
Exercise:5
9. How many are: tens in 3578?
Solution: 3578 = 3000+500+70+8
= 300tens+50tens+7tens+8ones
There are 357tens.
Exercise:6
· Example:8 Write the greatest and smallest 5-digit numbers, using all the digits 6,1,4.
· Solution:
The greatest 5-digit number = 66641
The smallest 5-digit number = 11146
· Example:9 Write the greatest and smallest 6-digit numbers by using all the digits 2,0,5,6.
· Solution:
The greatest 6-digit number = 666520
The smallest 6-digit number = 200056
Exercise:
Put or or = in the blanks to make the statements true:
1. 1531 ___ 907
6. 190906 ___ 199097
8. 541316 ___ 500000+40000+1000+300+10+6
· Solution:
1. 1531 907
6. 190906 199097
8. 541316 = 500000+40000+1000+ +300+10+6
11. Rearrange the following numbers in ascending order:
(d) 909092, 990092, 900992, 900092, 990002
· Solution:
900092, 900992, 909092, 990092
12. Rearrange the following numbers in descending order:
(d) 6606, 660663, 60666, 666063, 66006
· Solution:
666063, 660663, 66006, 60666, 6606
Ch:2
Numbers and Number Names
20. Write the greatest 5-digit number using:
(a) only one digit (b) all different digits (c) all different digits but 3 in hundreds place
· Solution: (a) 99999 (b) 98765 (c) 98376
21. Write the smallest 6-digit number using:
(a) all different digits (b) 2 different digits
· Solution: (a) 102345 (b) 100000
23. Write all possible 3-digits numbers using each of the digits 3,0,2 (only once) and then arrange them in descending order.
· Solution:
All possible 3-digit numbers are: 203, 230,302, 320
Descending order is: 320, 302, 230, 203.
Social studies
Movements and domains of the Earth
A. Put a tick in the correct option:
1.A, 2.B , 3.A, 4.C
B. Match the following:
1.B , 2.D, 3.A, 4.E, 5.C
C. Give reasons:
1. When the earth rotates, the side, facing the sun has day and the part away from the sun has night. Thus, when it is night in America, it is day in India.
2. The Earth takes 365 ¼ days to complete one revolution. This ¼ day is balanced by adding up together for 4years in a row, which gives an additional 24hours or one day. After every 4years, this day is added in the month of February. Thus February gets 29 days in that year. The year with 366 days is known as a leap year.
3. Atmosphere is important for us because it protects us from the harmful rays and scorching heat of the sun. It also helps in bringing changes in weather and climate.
COMPUTER
CHAPTER-1 (MS WINDOWS)
DONE IN THE PREVIOUS CLASS
Page 17 & 18
C) STATE TRUE AND FALSE
1)False, 2) True, 3)True, 4)False, 5) False.
D) FILL IN THE BLANKS
1)Folder, 2)Wallpaper, 3) Start, 4) Position, 6)Graphical.
E) MATCH THE FOLLOWING
1)Folder - d)collection
2) Screensaver-c)time
3) Windows-e) Microsoft
4) Wallpaper-b) image
5)Icon-a)small graphical symbols on a computer screen.
Hindi
2ndlang
जादू
* अपना लक्ष्य मनुष्य को खुद बनाना चाहिए
* कोई भी मंजिल सी नहीं जिसे पाया नाजा सके।
* हर मनुष्यजो कुछ भी सीखता है चाहे वह पढ़ाई लिखाई हो या काम काज हमेशा अभ्यास करना चाहिए।
* कोशिश करने वालों की कभी हार नहीं होती।
जैसा कि इस कहानी में बताया गया है।
शब्दार्थ-
ताप-गरमी लाचारी- मजबूरी
चौपट– नष्ट पात्र– बर्तन
कौशल– दक्षता अंदाजा–अनुमान
जिज्ञासा - जानने की इच्छा
मंत्रमुग्ध - टकटकी लगाकर
বই–বাংলাসাহিত্যপরিচয়
কবিতা–সবারআমিছাত্র
অনুশীলনীরপ্রশ্নোত্তর
হাতেকলমেচর্চা
১।চ) খোলামাঠকিউপদেশদেয় ? উঃ খোলামাঠের উপদেশে আমরা দিল খোলা হই।
ছ) পাষানতোমায়কিদীক্ষাদেয় ? উঃ পাষাণ আপন কাজে কঠোর হওয়ার দীক্ষা দেয়।
জ) আপনবেগেচলারশিক্ষাকেদেয় ? উঃ নদী আপন বেগে চলার শিক্ষাদেয়।
ঝ) তুমিকারকাছথেকেহাসতেওমধুরকথাবলারশিক্ষাপাও ? উঃচাঁদ হাসতেও মধুর কথা বলার শিক্ষা দেয়।
ঞ) মাটিরকাছথেকেকিশিক্ষাপাওয়াযায় ? উঃসহিষ্ণুতার শিক্ষা পাওয়া যায়।
ট) ‘শ্যামবনানী‘শব্দটিরঅর্থকি ? উঃশ্যাম বনানী শব্দটির অর্থ সবুজ পাতায় ঘেরা বন।
ঠ) ‘বিশ্বজোড়াপাঠশালা‘বলতেকবিকিবুঝিয়েছেন উঃকবি বুঝিয়েছেন এই প্রকৃতির সকল কিছুর থেকেই
আমাদের কিছু না কিছু শেখার আছে। আমরা এই
প্রকৃতির সকলেরই ছাত্র।
Science
Adaptations in Plants
Plants that grow in one region are different from those that grow in another region, because of temperature; amount of rainfall and the type of the soil differ from one to another. Plants adapt themselves to the place they grow in. This helps them to survive, such as cactus plant is adapted to live in a dry, sandy desert.
Solved exercise question and answers:
A) Write the correct answers:
1Plants in the plains with moderate rainfall shade their leaves in- Winter
2. Mangroves grow in – Marshy areas.
3. Duckweed is a – Floating plant.
4. A cactus plant makes food in it – Stem.
5. An insectivorous plant is – Venus flytrap.
Class V
Subject
Topic
Summary
Execution
COMPUTER
CHARACTERISTICS OF A COMPUTER
Q7) WHICH IS THE NON VOLATILE MEMORY?
Ans) ROM IS THE NON VOLATILE MEMORY.
Q8) WHAT IS GIGO?
And) IF INPUT VALUE AND SET OF INSTRUCTIONS ARE CORRECT THE RESULT PRODUCED WILL ALWAYS BE CORRECT. IF THE INPUT IS INCORRECT THE OUTPUT WILL ALSO BE IN CORRECT THIS IS KNOWN AS (GARBAGE IN GARBAGE OUT).
Q9) DIFFERENCE BETWEEN RAM AND ROM. Q10) DIFFERENCE BETWEEN PRIMARY MEMORY AND SECONDARY MEMORY.
Ans)
RAM
THE FULL FORM OF RAM IS RANDOM ACCESS MEMORY.
THIS MEMORY IS VOLATILE IN NATURE, WHICH MEANS THAT THE INFORMATION STORED IN IT IS AUTOMATICALLY ERASED WHEN THE COMPUTER'S POWER IS TURNED OFF.
ROM
THE FULL FORM OF ROM IS READ ONLY MEMORY
THIS MEMORY IS NONVOLATILE IN NATURE, WHICH MEANS THE DATA IS NOT LOST WHEN THE COMPUTER'S POWER IS TURNED OFF
PRIMARY MEMORY
PRIMARY MEMORY IS FAST AND EXPENSIVE
IT IS USED FOR PROGRAMS AND PROCESSING OF A COMPUTER
TWO TYPES OF PRIMARY MEMORY ARE ROM AND RAM
SECONDARY MEMORY
SECONDARY MEMORY IS SLOW AND CHEAP
IT IS USED TO STORE LARGE AMOUNT OF DATA
EXAMPLES OF SECONDARY MEMORY ARE CD-ROM, DVD, HARD DISKS, PEN DRIVES ETC.
Science
Chapter 1 - The Circulatory System
Our heart continuously pumps blood by contracting and relaxing. The contraction and relaxation of the heart muscle produces a sound which is known as heart beat.
The heart of a healthy person beats about 70 times in a minute. Doctors use a stethoscope to listen to heartbeat.
Answer these questions
1) What is the function of the heart ?
Ans - The heart is an organ that pumps blood throughout the body via the circulatory system, supplying oxygen and nutrients and removing carbon dioxide and other waste.
2) Differentiate between arteries and veins.
Ans –
ARTERIES
VEINS
Arteries carry blood from the heart to the rest of the body.
Veins carry blood from different part of the body to the heart.
Arteries have thick walls.
Veins have thin walls.
Arteries carry pure blood.
Veins carry impure blood.
English language
Adverbs
Interrogative adverbs:
Adverbs which are used to ask questions are called interrogative adverbs.
Example: Why have you not done your work?
Where did the battle take place?
Fill in the blanks with suitable interrogative adverbs:
1.Why 2.When 3.How
4.Where 5.How 6.Why
7.How 8.Why 9.How
10.When
Exercise: Page 13, ex C , numbers 11 to 15.
Social studies
The age of stones
Neolithic age:
Neo means new was the period in which the development of human technology began in some parts of the middle East and later in other parts of the world
Chalcolithic age:
Chalcos mean copper. Hence chalcolithic age was the copper age. It was a period from around 3500 to 1700 BC.
Iron age: Iron age refers in prehistory and proto history, when primarily iron was used to make tools. It was preceded by the bronze age. Iron age falls between 1200 BC to 600 BC.
1. What does the word Neolithic mean?
Ans: The word Neo means new was a period in which the development of human technology began in some parts of the world.
2. What does the word Chalcolithic means?
Ans: The word Chalcos means copper. Hence, Chalcolithic age was the copper age (3500-1700BC)
3. During Iron Age, which tool was used?
Ans: In the iron age, iron was primarily used to make tools.
4. In which year does the Iron Age falls?
Ans: The Iron Age falls between 1200 BC to 600BC.
MATHEMATICS
Ch:2
Numbers and Number Names
International system of writing numbers in words: In English system (or International System) we use the following:
1lakh=100thousands
10lakhs=1 million
1crore = 10 millions
10 crores =100millions
Exercise:4
7. Write the smallest and the greatest numbers using each of the following digits only once: (c)9,0,3,4,6,8,7,5
· Solution: Greatest number: 98765430
Smallest number: 30456789
10. By using 0,2,4,5,7,1 only, write the smallest and greatest numbers of 7 digits.
· Solution: Greatest number: 7754210
Smallest number: 1002457
13. Write the greatest number of 7 digits with digit 2 in ten place.
· Solution: We know the greatest number of 7 digits is 9999999.
But we want the digit 2 in tens place.
The required number will be: 9999929
Exercise:5
1. Write the following numbers in words (International system):
(f) 20304051
· Solution: Twenty million three hundred four thousand fifty one
2. Write the following number in figure:
(f) Nine hundred one million thirty four thousand four
· Solution: 901034004
Class VI
Subject
Topic
Summary
Execution
HISTORY AND CIVICS
CHAPTER: 3
MAHAVIRA AND BUDDHA – GREAT PREACHERS
BUDDHA
Buddha was the son of Shuddodhana, chief of the Shakya clan of Kapilavastu in the foothills of Nepal.
Gautama was born about the year c566 BC in Lumbini near Kapilavastu.
He was married to a beautiful princess Yashodhara and had a son named Rahul.
The sight of an old man , a sick man and a dead body made him think seriously of the uselessness of the worldly pleasures. He also happened to see an ascetic whose calm serenity greatly attracted him. These sights were called the “Four Great Sights” in Buddha’s life.
Gautama’s mind was set on finding a solution to the problems of human suffering and death.
When he was 29 years old ,he left his palace in search of truth. This event came to be known as the Great Renunciation
(Mahabhinishkramana).
1) When and where Gautama Buddha was born?
Ans-Gautama was born about the year 566 BC in Lumbini near Kapilavastu.
2) What was the original name of Gautama Buddha?
Ans-Siddhartha Gautama
3) What was the name of Gautama Buddha’s son?
Ans- Rahul.
4) Mention the ‘four great sights’ of Buddhism.
Ans-The sight of an old man , a sick man and a dead body made him think seriously of the uselessness of the worldly pleasures. He also happened to see an ascetic whose calm serenity greatly attracted him. These sights were called the “Four Great Sights” in Buddha’s life.
5) What is known as the “Great Renunciation”?
Ans: When he was 29 years old, he left his palace in search of truth. This event came to be known as the Great Renunciation
(Mahabhinishkramana).
ENGLISH 2
CHAPTER- In a tunnel – E.Nesbit
In a tunnel by E. Nesbit describes what it is like to going into a tunnel, by a train. When the grown-up people pull up the window and hold them by the strap and the railway carriage suddenly grows like night, then slowly the darkness disappears as the train moves out of the tunnel. But everything is quite different when one walks into a tunnel. This story describes one such experience by three children namely, Peter, Phyllis, and Bobbie who walks into a tunnel and faces an advancing train passing the tunnel.
2. Answer the following questions:
a. Why are the carriage windows pulled up when the train goes through a tunnel?
The carriage windows are pulled up when the train goes through a tunnel because the noise of the running, rattling train suddenly changes and grows different and much louder.
b. What kinds of things do you see in a tunnel (when you are on foot)?
Things that can be seen in a tunnel when you are on foot are, slimy, oozy trickles of water running down the inside of the tunnel, notice that the bricks are not red or brown as they are a the tunnel's mouth but dull, sticky, sickly green. The voice, when one speaks is quite changed from what it was outside in the sunshine, and it is a long time before the tunnel is quite dark.
c. How many children are there in the tunnel?
There were three children in the tunnel. There were Peter, Phyllis and Bobbie.
d. Which child is the most frightened?
Bobbie is the most frightened among the three children.
e. Peter asks the others: 'and what’s that'? What is 'that' refer to?
He refers to the low humming sound on the railway line, a trembling of the wires, a buzzing, humming sound that grew louder and louder as they listened.
f. What are the wires over which Peter stumbles?
The wires over which Peter stumbles were the wires of telegraph.
g. How does the author describe the train ' hurtling by'?
The author describes the train 'hurtling by' as with a rush and a roar and a rattle dazzling flash of lighted carriage windows, a smell of smoke and blast of hot air, the train hurtled by, clanging and jangling and echoing in the vaulted roof of the tunnel.
Homework: learn.
CHEMISTRY
Chapter -Introduction to Chemistry
Some common Laboratory Apparatus are –
*Test tube *Beaker *Conical Flask
*Round bottom Flask *Flat bottom Flask
*Measuring Cylinder *Funnel
*Evaporating Dish *Wire Gauze
*Bunsen Burner *Tripod stand
Answer the following
6) Why is wire gauze placed under glass apparatus when they are heated?
Ans - wire gauze placed under glass apparatus when they are heated because it helps in heating glass apparatus evenly and therefore, reducing the chances of breakage.
PHYSICS
CHAPTER- ( MATTER )
Inter conversion of three states of matter:1. Melting : Change of substance from solid state to liquid state.2. Evaporation or boiling: Change of substance from liquid state to gaseous state.
Transpiration is the evaporation of water into the atmosphere from the leaves and stems of plants
Question and answer
Q.3) What is molecule?
Answer- Molecule is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
Q.4) Mention one example of each of a monatomic and a diatomic molecule.
Answer – Monatomic molecule: Argon, helium, radon.
Diatomic molecule: Hydrogen, Nitrogen, Oxygen.
Hindi
2nd lang
नीलू (महादेवी वर्मा)
हम अपने घर बाहर मित्रों के घरों में कई पशु पक्षियों को पलते देखते हैं पालन करता अपने पालतू जानवर को अपने बच्चे से भी बढ़कर देखभाल करता है इसी वजह से पशु भी उनसे काफी लगाओ रखते हैं हम मनुष्य कितना स्वार्थी है पर पशु कभी भी स्वार्थी और बेईमान नहीं होते और अपने मालिक के प्रति काफी वफादार होते हैं। वह अपनी प्रिया कलाप उसे हमेशा अपने मालिक के दुख तकलीफ को दूर करने की कोशिश करते हैं जिस पर आलू सीने कवित्री की भरपूर सेवा की अपनी जान देकर भी। उसकी बेटी नीलू ने भी कवित्री का भरपूर प्यार पाया और अपने जीवन के अंत तक कवित्री का साथ दिया ।
शब्दार्थ लिखना वह पढ़ना है(H.W)
Continue to next…..
BENGALI(2ND LANGUAGE)
ব্যাকরণ অধ্যায় -১০
বচন
যে বিশেষ্য বা সর্বনাম পদের দ্বারা সংখ্যা বিষয়ে বোধ জন্মায় তাকে বচন বলে । বচন দু প্রকার -এক বচন , বহুবচন।
একবচন- যার দ্বারা একটিমাত্র বস্তু, ব্যক্তি বা প্রাণীকে বোঝায় তাকে একবচন বলে। যেমন- আমি নদী গাছ, সূর্য ইত্যাদি।
বহুবচন -যার দ্বারা একের বেশি বস্তু, ব্যক্তি বা প্রাণীকে বোঝায় তাকে বহুবচন বলে। যেমন -আমরা, তাঁরা, ছেলেরা ইত্যাদি।
একবচন বোঝানোর নিয়ম-
১। বিশেষ্য পদের আগে এক, একটি, একখানা, একটা, একটুকরো বসে।
২। বিশেষ্য পদের পরে এক বসিয়ে।
৩। বিশেষ্য পদের পরে টি, টা, খানা, খানি ইত্যাদি বসিয়ে।
বহু বচনের নিয়ম -
১। বিশেষ্য বা সর্বনাম পদের সঙ্গে রা, এরা, দের, দিগের, গুলো, গুলি ইত্যাদি যোগ করে।
২। শব্দের শেষে গন, বৃন্দ, কুল, জন, সকল, সব, সমূহ, মালা, মণ্ডল ইত্যাদি বসিয়ে।
৩। বিশেষ্য পদকে পরপর দু-বার বসিয়ে।
৪। বিশেষণ পদকে পাশাপাশি দু-বার বসিয়ে।
১। বচন কাকে বলে?
উ যে বিশেষ্য বা সর্বনাম পদের দ্বারা সংখ্যা বিষয়ে বোধ জন্মায় তাকে বচন বলে ।
২। বচন কয় প্রকার ?
উ -বচন দু প্রকার - একবচন, বহুবচন ।
৩। বহুবচন করার নিয়ম কি কি ?
উ- *বিশেষ্য বা সর্বনাম পদের সঙ্গে রা , এরা , দের , দিগের , গুলো , গুলি ইত্যাদি যোগ করে ।
*শব্দের শেষে গন, বৃন্দ, কুল, জন, সকল, সব, সমূহ ,মালা, মণ্ডল ইত্যাদি বসিয়ে ।
*বিশেষ্য পদকে পরপর দু-বার বসিয়ে। *বিশেষণ পদকে পাশাপাশি দু -বার বসিয়ে|
৪। বহুবচন পরিবর্তন করো -
একবচন বহুবচন
ছেলে ছেলেরা
মাছ মাছগুলো
জল জলরাশি
আপনি আপনারা
ছাত্র ছাত্রগণ
COMPUTER
CHAPTER-7 (THE WORLD OF WINDOWS 10)
DESKTOP
A DESKTOP REPRESENTS A COMPUTER DISPLAY AREA WHICH IS THE COMMON BASE FOR THE REST OF THE SYSTEM. IT INCLUDES ICON FOR INDIVIDUAL APPLICATIONS AND FILES.
COMPONENTS OF THE DESKTOP
*START MENU *DISPLAY AREA *DOCUMENTS
*THIS PC *RECYCLE BIN *INTERNET EXPLORER
*MICROSOFT EXCEL *MICROSOFT OUTLOOK
*MICROSOFT POWERPOINT *MICROSOFT WORD
*MY SHARED DRIVE
READ PAGE NUMBERS - 72 AND 73.
MATHS
Chapter- Numbers in Indian and International system.Study item : Hindu- Arabic System of numeration.
We all know that Indian number system is familiar as decimal number system all over the world. It was developed by ancient Hindu- mathematician and was carried to the west by the Arabs. This is why; we call it as the Hindu-Arabic number system.
In this number system , we can see four columns, when counting from the right hand side towards left hand side,
First: One’s- which is subdivided ones, Tens and Hundred.
Second: Thought’s – which is subdivided Thousand and Ten Thousands.
Third : Lakh’s – which is subdivided Lakh and Ten Lakhs.
Finally : Crore’s – which is subdivided Crore and Ten Crores.
##### SEE TABLE BELOW
Clearly, we write in numeration.
893567327= 89,35,67,327
= Eight-nine crore thirty-five lakh sixty -seven thousand three hundred twenty- seven.
Periods
Crores
Lakhs
Thousands
Ones
Numbers
TC
C
TL
L
T-Th
Th
H
T
O
893567327
8
9
3
5
6
7
3
2
7
Class VII
Subject
Topic
Summary
Execution
Bengali
বই–বাংলাসাহিত্যপরিচয়
পাঠ–৫
কুলিমজুর
অনুশীলনীরপ্রশ্নোত্তর
১।ক) বাবু সাব মুখে বলে একজনকে ফেলে ফেলে দিল--- ( ঠিক )
খ) বাষ্প-শকট চলে শ্রমজীবী মানুষের পরিশ্রমের ফলে---(ঠিক)
গ) অট্টালিকার প্রতি ঈদে ইংরেজদের কথা লেখা আছে--- (ভুল)
ঘ) পথের প্রতি ধূলিকণা জানে জাহাজ শকট অট্টালিকার মানে--- (ঠিক)ঙ) শ্রমজীবী মানুষের হাড় পড়ে আছে পাহাড়-কাটা পথের দুপাশে--- (ঠিক)
চ)কবিতাটিতে কবি ইংরেজদের জয়গান গাইতে বলেছেন--- (ভুল)
ছ) শ্রমজীবী মানুষের দেহ সিক্ত হয়েছে মাটির মমতা-রসে ---( ঠিক)
২।ক) কুলি মজুর কবিতাটি কার লেখা কোন কাব্যগ্রন্থ থেকে গৃহীত?
উঃ কুলি মজুর কবিতাটি কবি কাজী নজরুল ইসলামের সর্বহারা কাব্যগ্রন্থ থেকে গৃহীত।
খ)কবি সেদিন কি দেখলেন ?
উঃকবি সেদিন রেলস্টেশনে দেখলেন এক কুলিকেএক ইংরেজ বাবু ঠেলে ফেলে দিলেন।
গ) বাবুসাব কাকে ঠেলে ফেলে দিলেন?
উঃবাবু সাপ নিম্নশ্রেণির প্রতিভূ এককুলিকে নিচে ফেলে দিলেন।
ঘ) দধীচি বলতে কাদের বোঝানো হয়েছে?
উঃদধীচি বলতে এখানে নিম্ন শ্রেণীর মানুষকে বোঝানো হয়েছে।
ঙ) প্রতিটি ইঁটেকি লেখা আছে ?
উঃপ্রতিটি ইঁটেশ্রমজীবী মানুষের শ্রমের মূল্য লেখা আছে।
Hindi 2nd lang
आत्मनिर्भरता
(रामचंद्र शुक्ल जी)
आत्मनिर्भरता देती समाज राज्य के जीवन में सर्वांगीण सफलता प्राप्ति का महामंत्र है हर व्यक्ति में मानसिक स्वतंत्रता होनी चाहिए इससे ही वह अपने आदर्श खुद बना सकते हैं संसार में ऐसे अनेक दृढनिश्चयमनुष्य हुए हैंजिन्होंने मरते दम तक अपने आत्मविश्वास ,दृढनिश्चयीता को नहीं छोड़ा जैसे सम्राट महाराणा प्रताप, तुलसीदास, हरिश्चंद्र आदि।
अगर मनुष्यदृढनिश्चयी बने तो वह अपने जीवन हर करम छेत्र में स्वयं भी श्रेष्ठ और उत्तम रहता है और वह दूसरों को भी श्रेष्ठ और उत्तम बना सकता है ।
शब्दार्थ लिखना और पढ़ना है।
Continue to next…….
CHEMISTRY
Chapter -(MATTER AND ITS COMPOSITION)
Q ) Fill in the blanks
a) Air is a matter because it has mass and volume and it can be perceived by our senses.
b) The molecules are made up of atoms .
c) The quantity of matter in an object is called its mass.
d) The state of matter with definite volume and definite shape is called Solid .
e) The substances which can flow are called fluids.
Q ) Classify the followings into solid, liquid, gas:
SOLID
LIQUID
GAS
Coal
Kerosene
Oxygen
Wood
Blood
Water vapor
Sugar
milk
Wax
Biology
Topic – Chp -1 :Tissue.
Today we discuss about animal tissue.
We also discuss their subdivision, location and functions.
Q8. Write about different types of epithelial tissue.
• Epithelial tissue is made up of closely packed cells
It presents over the surface of organs and inner lining of the body cavity. Its main functions are protection, secretion and absorption. On the basis of shape and function of cells, this tissue is of four types:
1) Squamous epithelium: present in lining of mouth and esophagus. It protects the body from injury and prevents entry of germs.
ii) Columnar Epithelium: Cells are long and column like. It presents in stomach and small intestine. It helps in digestion of food and secretion of mucus.
iii) Cuboidal Epithelium: Present in the inner lining of kidney tubules and glands. It helps in excretion,
absorption and secretion
iv) Ciliated Epithelium: Cells are tall and column like and have hair like projections, cilia. These are present
in the lining of the windpipe and bronchia, causes forwarded movement of particles.
Q9. Write difference between :
Blood
Lymph
i) Blood is red in colour.
ii) It is made up of three types of cell – RBC, WBC and Platelets.
iii) It circulates through blood vessels.
iv) It contains hemoglobin.
i) Lymph is colorless fluid.
ii) It contains more of lymphocytes and other few WBC.
iii) It circulates through lymph vessels and lymphatic glands.
iv)No hemoglobin.
Math
Topic: Number System.
Chapter: Rational Numbers.
Study item: Problems on rational numbers.
Multiplication of rational numbers means multiplication of two or more rational numbers.
Therefore, multiplication of two rational numbers
=multiplication of their numerators/multiplication of their denominators.
Example: 5/6×(-3/4) = 5×-3/6×4= -15/24= -5/8.
(-3/8)×3= -3/8×3/1 = -9/8.
Multiplicative inverse: Reciprocal of a rational number is called multiplicative inverse.
Example: multiplicative inverse of 3/4 is 4/3.
And multiplicative inverse of -4/5 is 5/-4.
Division of rational numbers: If a/b and c/d are two rational numbers such that c/d not equal to zero, then a/b ÷c/d =a/b × (multiplicative inverse of c/d) =a/b ×d/c.
Example: 5/6 ÷ 9/7
5/6 × (multiplicative inverse of 9/7)
= 5/6×7/9
= 35/54.
English 1
CHAPTER- Adjectives
An adjective is a describing word. It tells us something specific about a noun. Adjectives can be used either before or after the noun they describe.
Kinds of Adjectives:
1. Qualitative: describe shape, size, colour, state, and manner.
2. Quantitative: tells us how much or how many.
3. Possessive : show possession Example, your, our
4. Demonstrative: point out or identify nouns.
5. Interrogative : used for asking questions (usually followed by nouns)
6. Proper: formed from proper nouns (especially names of places)
Exercise A.
1. Ralph is a Swede who married to a French citizen.
2. Which pen is yours?
3. I have a few tickets still left with me.
4. She came up with unique ideas.
5. We have about twenty students in this group.
6. The air in the hills is purer than in the city.
7. Your notebooks are kept on that shelf.
8. He is as hard- working as his sister.
9. David is a dependable person.
10. Whose books are you reading?
11. These mangoes are very sweet.
12. Ms Patel is our new teacher.
13. There was some confusion regarding the show timing.
14. The Japanese tea ceremony is a ritual of preparing and serving green tea.
15. Gaurav won a gold medal at the tournament.
Homework:
Underline the adjectives in the sentences given bellow:
a. Every person must attend the meeting.
b. This book is expensive.
c. Which pen do you want to buy?
d. He is a brave soldier.
e. This box contains ten pens.
GEOGRAPHY
CHAPTER 7
EUROPE
· Europe is one of the seven continents in the world.
· Europe has a high population density second only to Asia.
· Europe has a highly indented coastline as the sea frequently extends into the land.
· A number of natural harbours has given the people a tradition of seafaring and fishing.
· A greater part of this continent is situated in the Temperate Zone.
· Eurasia and Africa are connected in to one large land mass known as AFROEURASIA.
· Boundaries of Europe-
· North-Arctic Ocean
· South- Mediterranean Sea
· West – Atlantic Ocean
· East- Asia
Fill in the blanks:
1)_________ is one of the seven continents in the world.
Ans- Europe
2)Europe’s population was estimated to be _________ million.
Ans- 739
3)There are a number of small peninsulas surrounded by _____ on all three sides.
Ans- seas
4)A greater part of this continent is situated in _________zone.
Ans- Temperate.
5)Europe is a continent that comprises the western part of ______.
Ans-Eurasia.
6) Eurasia and Africa are connected in to one large land mass known as ____.
Ans- Afroeurasia.
7) The ___separates Europe and Africa.
Ans-Strait of Gibraltar.
8) Europe is surrounded by the ____to the north.
Ans-Arctic Ocean.
Class VIII
Subject
Topic
Summary
Execution
English 2
Where the mind is without fear -Rabindranath Tagore.
“Where the mind is without fear” is a pre independent poem by Rabindranath Tagore. In the poem, the poet sincerely urges to God to awake his fellow beings for the realisation that the essential need to live in a free and United country. He wants his country men to awake and enjoy the life of full dignity and honour.
A. Find words in the poem which have a similar meaning to the following.
1. Endeavour- striving
2. Good sense- reason
3. National-domestic
4. Tedious- dreary
5. Learning- knowledge
6. Expanding- stretches
7. Pieces- fragments
8. Paradise- heaven
9. Faultlessness- perfection
10. Extend- widening.
History and Civics
Growth of Nationalism
· Immediate cause of the revolt
Execution
Immediate cause of the revolt
1. Sugar act:-
Sugar act also called plantation act or revenue act (1764)in U.S colonial history. The colonists could no longer buy sugar from the French colonies at cheap rates. The British officials enforced the act and collected the tax strictly.
2. Stamp act:-
Starting with the sugar act of 1764, which imposed new duties on sugar and other goods, the British government, began to tighten its reins on the colonies. It roused widespread protest from the colonies.
3. Declaratory act:-
Declaratory act declaration by the British parliament that accompanied the repeal of the stamp act. It stated that the British parliament's taxing authority was the same in America as in Great Britain. The colonists raised the cry of no taxation without representation.
4. Townshend’s duties:-
Chancellor of the exchequer Charles Townshend also tried to solve the problem of the American colonies. In the Boston Massacre three colonists were killed by the British soldiers. This was widely resented by the colonists.
5. Withdrawal of duties:-
Lord North, who came to power in the 1770s as the Prime minister tried to improve the situation in the colonies.
6. Boston tea party:-
The British parliament abolished duties on paper and glass but retained the tax on tea. A group of men disguised as red Indians forced their way into the ships which had brought tea for sale to colonists. They threw the crates of tea into the sea. This incident was known as Boston tea party.
Answer the following questions:-
Short notes: - Stamp act, Declaratory act, Sugar act, Boston tea party. Homework:-learn
MATHEMATICS
Ch:2
Exponents
More laws about Exponents
1. (ab)n = anbn
2. ()n =
3. a0 = 1 if a 0
i.e. any non-zero number raised to the power zero is always equal to one (1).
4. = and =
Exercise: 2 (A)
1. Evaluate: (vii) [()-2]2 (ix) {()-2}-2
Solution:
(vii) [()-2]2 = [(- )2]2 = [()2]2 = ()2 = = 3
(ix) {()-2}-2 = {()2}-2 = {}-2 = {}2 =
3. Find x, if 9 = (27)2x-3
Solution: 93x = (27)2x-3
323x = (33)2x-3
32+x = 33(2x-3)
32+x = 36x-9
2+x = 6x-9
x-6x = -9-2
-5x = -11
x = =
x = 2
Exercise: 2(B)
Example:8
Simplify: ()a+b ()b+c ()c+a
Solution: ()a+b ()b+c ()c+a
= (xa-b)a+b (xb-c)b+c (xc-a)c+a
= x (a+b)(a-b) x(b+c)(b-c) x(c-a)(c+a)
=
=
= =1
CHEMISTRY
Chapter –
Structure of Atom
Atomic Structure of Isotopes
The isotopes of an element have the same number of protons but differ in the number of neutrons.
The atomic structure of an isotope is described with the help of the chemical symbol of the element, the atomic number of the element, and the mass number of the isotope. For example, there exist three known naturally occurring isotopes of hydrogen, namely, protium, deuterium, and tritium.
Isotopes of Some Elements
· Hydrogen
The most abundant isotope of hydrogen on the planet Earth is protium. The atomic number and the mass number of this isotope are 1 and 1 respectively.
· Carbon
Carbon has two stable isotopes – 12C and 13C. Of these isotopes, 12C has an abundance of 98.9%. It contains 6 protons, 6 electrons, and 6 neutrons.
· Oxygen
There exist three stable isotopes of oxygen – 18O, 17O, and 16O. However, oxygen-16 is the most abundant isotope.
Question 5.
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
Solution:
The fundamental particles of the atom are electrons, protons and neutrons.
Particle
Symbol
Charge
Electron
e_
-1 or -1.602×10-19 c. where-1 represent its one unit negative electrical charge
Proton
p+
+1 or 1.602×10-19 c.where1 represents one unite +ve electrical charge.
Neutron
n0
0
Question 6.
Define the following terms:
(a) Atomic number (b) Mass number
(c) Nucleons (d) Valence shell
Solution:
(a) Atomic number: The number of protons present in an atom is known as Atomic number. It is denoted by Z. Example: An atom of oxygen contains 8 protons. Therefore its atomic number is 8.
(b) Mass number: The sum of the number of protons and neutrons present in the nucleus of an atom is known as the Mass number and it is denoted by A.
I.e. Mass number = Number of protons + Number of neutrons.
(c) Nucleons: The protons and neutrons collectively are known as nucleons.
(d) Valence Shell: The outermost shell of an atom is known as its valence shell.
BIOLOGY
Chp- 1: Transport of water &Minerals in plants.
Today we discuss about the movement of water and minerals from root to leaves.
We also discuss about the processes through which it actually moves.
Q7. Describe the process of ascent of sap or, Describe movement of water molecules.
Ans: Water molecules move in plants in three ways - diffusion, osmosis and active transport.
The concentration of water in soil is higher as compared to root cells.
• Water enters the root cells from the soil through osmosis.
• The concentration of water and minerals is same in all root cells.
• When water enters the root cells, its concentration increases as compared to the adjacent cortex cells.
• Water moves from the root have cells to the cells of the cortex, then endodermis, then peri cycle and finally reaches the to xylem tissue though osmosis.
• The upward movement of water and minerals in a plant through Xylem is called ascent of sap.
• Unlike water, the concentration of minerals is more in the root hair cells than in the soil, so it needs energy.
• The movement of particles from a region of lower to higher concentration by utilizing energy - Active transport.
• When the concentration of minerals in soil is higher than root hair, they enter the root hair cells through diffusion.
Physics
Chapter 1 : Matter
Here we will learn about change of state, that is solid to liquid and liquid to gas and vice-versa
Change of State
Fusion or Melting
The process by which a substance’s solid state change into the liquid state at a constant temperature by absorption of heat is known as fusion or melting and the fixed temperature at which the melting occurs is known as the melting point.
Example: Ice (solid) melts into water (liquid) at a temperature of 0C.
Vapourisation or Boiling
The process by which a substance’s liquid state changes into the vapour or gaseous state at a constant temperature by absorption of heat is known as vapourisation or boiling and the fixed temperature is known as the boiling point or vapourisation point of the liquid.
Example: Water (liquid) vapourises to steam (gas) at a temperature of 100C.
Condensation
The process by which gas changes into the liquid state at a constant temperature by releasing heat is known as the condensation or liquefaction and the fixed temperature is known as the condensation temperature.
Example: Steam (gas) condenses to water (liquid) at a temperature of 100C.
Class IX
Subject
Topic
Summary
Execution
Commercial studies
Commerce
1) Meaning of Commerce.
2) Importance of Commerce.
The main importance or function of Commerce is to remove the hindrance like ----
1) Hindrance of persons.
2) Hindrance of place.
3) Hindrance of time.
4) Hindrance of Risk.
5) Hindrance of Finance.
6) Hindrance of knowledge.
Questions
1) What do you mean by Commerce?
Answer: Commerce is that branch of business which involves the buying and selling of goods, exchange of commodities and the distribution of finished products. It consists of all those activities which are essential for maintaining a free flow of goods and services from producers to consumers.
2) Explain the importance of Commerce.
Answer:
i) Hindrance of person- Commerce removes the hindrance by creating a link between Producers and Consumers.
ii) Hindrance of place-Commerce removes the hindrance by moving goods from the production place to consumption place through transportation
iii) Hindrance of time - Commerce removes this hindrance by holding and preserving goods in warehouses
iv) Hindrance of risk-Commerce removes the risk of damage due to theft fire by means of insurance
v) Hindrance of Finance- Commerce remove this hindrance by providing financeto banking.
vi) Hindrance of knowledge-Commerce remove these hindrance by providing information about goods and services to the customers through advertisement.
Hindi
2ndlang
साखी(कबीर दास)
कबीर दास जी ने गुरु का स्थान ईश्वर से सबसे बड़ा बताया है क्योंकि वही ज्ञान के अंधकार को मिटाता है और ईश्वर से मिलाता है।
ईश्वर से मिले पर मनुष्य का अहंकार भी मिट जाता है और वह ईश्वर मैं हो जाता है अहंकारी मनुष्य ईश्वर को नहीं पा सकता ।
कबीर हिंदू और मुसलमानों के पूजा के तरीकों पर गहरा व्यंगकरते हैं मूर्ति पूजा तथा मस्जिद के ऊपर चढ़कर अजान की आवाज लगाना उनकी दृष्टि में आडंबर है इसका खंडन करते हैं।
कवि कहते हैं कि ईश्वर के अनंत गुरु का वर्णन करना बड़ा कठिन है। Continue to next…..
Math
Topic: Algebra
Chapter: Expansions.
Study item: expansions.
(a+b)2= a2 + 2ab + b2
Here , a2+ 2ab +b2 is called the expansion of (a+b)2.
Example: (2x+ 7y)2 = (2x)2 + 2 (2x) (7y) + (7y)2
= 4x2 + 28 xy +49y2
(3x + 1/2x)2 = (3x)2 +2 (3x) (1/2x) + (1/2x)2
= 9x2 +3+1/4x2
(a – b )2 = a2– 2ab + b2
Example: (3x – 1/2x)2
= (3x)2– 2 (3x) (1/2x) +(1/2x)2
= 9x2 -3 + 1/4x2
(5x - 9y)2 = (5x)2 – 2(5x)(9y) + (9y)2
=25x2 – 90xx + 81y2
(a+b)(a-b) = a2– b2
Example: (x+3)(x-3)
= (x)2 –( 3)2
= x2– 9
( 7p + 9q)(7p - 9q)
= (7p)2– (9q)2
=49p2 - 81q2
(x+a) (x+b) = x2 +(a+b)x +ab
Example: (x+3)(x+5)
= x2 + (3+5)x +(3×5)
=x2 + 8x +15
(x+a)(x-b) =x2 +(a-b)x -ab
Example: (x-7)(x+9)
= (x)2 +( 9-7)x –(9×7)
=x2 +2x -63.
Economics
Introduction to economics
In last week duration (23/3/20 to25/3/20) I have already discussed about chapter 1.
Today I will give you some revision question from this chapter.
Questions
1) Who is known as the father of Economics?
2) Give Robbins definition of economics.
3) Give Marshall definition of economics.
4) Distinguish between the following
a) Economic activities and non economic activities
b) Microeconomics and macroeconomics
5) Classify the following activities into economic and non economic activities
a) Washing own car.
b) Playing cricket by Virat Kohli
c) gambling
d) Dance performance by a student.
CHEMISTRY
Writing Chemical formulae
For Convenience, every compound is represented by a formula. The following steps should be taken while attempting to write a formula. The method is called Criss-cross method.
(i) Write the symbols side by side, basic radical
(ii) Write the valency of each atom on top of its symbol.
(iii).Divide the valency numbers by their highest common (H.C.F), if any, to get the simple ratio. Ignore the (+) or (-) symbols of the radicals.
(iii)Write the interchanged valency numbers to the lower right of the radicals. If the radical is a group of atoms and has a valency number more than 1.enclose it within brackets.
E.g:
(i)Name of The CompoundMagnesium Chloride.
Symbol with valencyMg2+ Cl-
Exchange of valencyMg1 Cl2
FormulaMgCl2
(ii).Name of the CompoundAluminium hydroxide
Symbol with valencyAl3+ (OH)-
Exchange of ValencyAl1 (OH)3
FormulaAl(OH)3
BENGALI(2ND LANGUAGE)
প্রথম অধ্যায়-গিন্নি (রবীন্দ্রনাথ ঠাকুর)
১।"তখন সে নিরতিশয় কাতর হইয়া পড়িল"-
ক) সে বলতে কাকে বোঝানো হয়েছে?
খ) প্রসঙ্গ কি?
গ) তার কাতর হয়ে পড়ার কারণ কি?
ঘ) কাতর হবার পরতার কি অবস্থা হয়েছিল?
উ- ক) রবীন্দ্রনাথ ঠাকুর রচিত "গিন্নি “ গল্পে সে বলতে শশীশেখর কে বোঝানো হয়েছে।
খ)শিবনাথ পণ্ডিত রাগ বশত নিজের খুশি চরিতার্থ করার জন্য ছাত্রদের নতুন নতুন নামকরণ করতেন। সেই নামকরণ ছাত্রদের কাছে মর্মপীড়ার কারণ হতো- সেই প্রসঙ্গে এই উক্তি।
গ) শশীশেখরকে পণ্ডিত মশাই তার চেহারার সঙ্গে সামঞ্জস্য রেখে নাম রেখেছিলেন ভেটকি। কিন্তু শশীশেখর তার চেহারার সঙ্গে সামঞ্জস্য রেখে নামকরণ করা হয়েছে কিনা ভেবে পারছিল না। যদি তাই হয় তা অত্যন্ত লজ্জার কারণ। কারণ তার চেহারা টা ভেটকি মাছের মত চওড়া তা কারও বুঝতে বাকি থাকেনা। তাই সকলের সামনে তার এই নামকরণ মর্মযন্ত্রণাকে দ্বিগুণ বাড়িয়ে দেয়।
ঘ) শিবনাথ পণ্ডিত শশীশেখরকে ভেটকি বলে সকলের সামনে নামকরণ করার ফলে সে কাতর হয়েছিল কারণ সে কিছুতেই বুঝে উঠতে পারছিলনা কেন পণ্ডিতমশাই তার এমন নামকরণ করলেন। যদি তার চেহারার সঙ্গে সাদৃশ্য রেখে এই নামকরণ করে থাকেন তাহলে তা অত্যন্ত লজ্জাজনক ও মর্ম পীড়াদায়ক, এই অপমান করার জ্বালা শশীশেখর কিছুতেই মেনে নিতে পারছিল না।
২।'’ ইহা হইতে এই তত্ত্ব পাওয়া যায় "-
ক) "ইহা হইতে” বলতে কি বোঝানো হয়েছে?
খ) কোন তত্ত্ব পাওয়া যায়?
গ) বক্তা কে?
ঘ) এই তত্ত্বের প্রমাণ স্বরূপ গল্প অনুসারে একটি ঘটনার কথা উল্লেখ করো।
উ-ক) ইহা হইতে বলতে নামের বিকৃতিতে মানুষের মনে কীরূপ দুঃসহ আঘাত লাগে-তার প্রাণের চেয়ে প্রিয়তর স্থানকে আঘাত করা হয়- তাকেই বোঝানো হয়েছে।
খ)তত্ত্বটি হল-মানুষ বস্তুর চেয়ে অবস্তুকে বেশি মূল্যবান শ্রেয় মনে করে, প্রাণের চেয়ে মানকে বড়ো মনে করে, আর আপনার চেয়ে আপনার নাম কে বড়োমনে করে।
গ) আলোচ্য উক্তিটির বক্তা হলেন রবীন্দ্রনাথ স্বয়ং।
ঘ) এই প্রসঙ্গে আশুর গিন্নি নামকরণের কথাবলাযায়। ক্লাসে সকলের সামনে পণ্ডিত আশুর এই ধরনের নামকরণের ফলে আশুর লজ্জায় মাথা নত হয়ে যায়। ক্লাসের সকলে আশুকে গিন্নি গিন্নি বলে ডাকতে শুরু করে। অনেক সুখ দুঃখের দিন এসেছে-কিন্তু সেদিন কার ক্লাসের মধ্যে পণ্ডিত মশাইয়ের গিন্নি নাম করণের সঙ্গে আর কিছুর তুলনা করা যায়না।
English 1
Transformation of sentences
Sentences: A sentence is a group of words which makes complete sense.
a. Assertive sentences
b. Imperative sentences
c. Interrogative sentences
d. Exclamatory sentences
Sentences can be changed from one grammatical form to another without changing the meaning of the sentence. This is known as transformation of sentences.
Exercise 1
Change the following affirmative sentences into Negative sentences.
a. He is a good man
He is not a bad man.
b. Ram loves Sita.
Ram is not without love for Sita.
c. Only he stood first in the class.
None but he stood first in the class.
d. Ankit was wiser than he.
He was not so wise as Ankit.
e. He did it.
He did not fail to do it.
f. As soon as I reached college, the bell rang.
No sooner did I reach college than the bell rang.
g. He finished everything.
He left nothing unfinished.
h. It always pours when it rains.
It never rains but it pours.
Computer Application
Ch – 1
Introduction to Object Oriented Programming concepts
Today’s topic: Operators in Java.
Operator in Java is a symbol which is used to perform operations. For example: +, -, *, / etc.There are many types of operators in Java which are given below:
· Unary Operator,
· Arithmetic Operator,
· Shift Operator,
· Relational Operator,
· Bitwise Operator,
· Logical Operator,
· Ternary Operator and.
· Assignment Operator.
*Unary Operator: Java unary operators are the types that need only one operand to perform any operation like increment, decrement, negation etc. It consists of various arithmetic, logical and other operators that operate on a single operand.
*Arithmetic Operator: Arithmetic operators are used in mathematical expressions. Arithmetic operators are + (addition), - (subtraction), * (multiplication), / (division) and % (reminder). Java provides built-in short-circuit addition and subtraction operators
*Shift Operator: A shift operator performs bit manipulation on data by shifting the bits of its first operand right or left.
*Relational Operator: Java has 6 relational operators.
== is the equality operator. This returns true if both the operands are referring to the same object, otherwise false.
!= is for non-equality operator.
< is less than operator.
> is greater than operator.
<= is less than or equal to operator.
>= is greater than or equal to operator.
*Bitwise Operator: Bitwise operators are used to perform manipulation of individual bits of a number. They can be used with any of the integral types (char, short, int, etc). They are used when performing update and query operations of Binary indexed tree.
1. Bitwise OR (|) –This operator is binary operator, denoted by ‘|’. It returns bit by bit OR of input values, i.e, if either of the bits is 1, it gives 1, else it gives 0.
2. Bitwise AND (&) –This operator is binary operator, denoted by ‘&’. It returns bit by bit AND of input values, i.e, if both bits are 1, it gives 1, else it gives 0.
3. Bitwise XOR (^) –This operator is binary operator, denoted by ‘^’. It returns bit by bit XOR of input values, i.e., if corresponding bits are different, it gives 1, else it gives 0.
4. Bitwise complement (~) –This operator is unary operator, denoted by ‘~’. It returns the one’s compliment representation of the input value, i.e, with all bits inversed, means it makes every 0 to 1, and every 1 to 0.
Answer the following:
1. What are operators?
2. Define the following terms:
*unary operator
* AND operator
* OR operator
* Relational operator
Subject: Eng Literature (The Merchant of Venice – William Shakespeare)
Topic: Act I, Scene 1, Lines 94 to 139
· Gratiano warns Antonio not to be a victim of the disease of sadness because melancholy is a very fatal disease indeed. Saying this, he and Lorenzo leaves the stage
· Bassanio tells Antonio that there is very little sense in Gratiano because he mostly talks nonsense.
· Antonio then wants to know from Bassanio who is the lady to whom he vowed to go on a secret pilgrimage and about whom he had promised to speak about to him today.
· Bassanio says that he has already wasted his money by living a very high standard of life for which, however, he does not regret. He expresses his gratefulness to Antonio for always helping him with money. Antonio assures Bassanio that all his wealth and even his life are at the disposal of Bassanio, if Bassanio should use them honourably. He then presses Bassanio to say frankly what he wants.
BASSANIO: Tis not unknown to you, Antonio, (Line 122-134)How much I have disabled mine estat By something showing a more swelling portThan my faint means would grant continuance:Nor do I now make moan to be abridg'dFrom such a noble rate; but my chief careIs to come fairly off from the great debtsWherein my time, something too prodigal,Hath left me gag'd. To you, Antonio,I owe the most in money and in love;And from your love I have a warrantyTo unburthen all my plots and purposes,How to get clear of all the debts I owe.
(a) What light do the above lines throw on the character of Bassanio?
The above mentioned lines reveal the character of Bassanio. He is a young man who has been living his life beyond his means and has now reduced himself to penury. He is now unable to maintain the high standard of living that he has been used to. Another important facet of Bassanio’s character that is revealed to us is his honesty. Although Bassanio has squandered all his wealth and is now in distress, yet he is keen to pay his debts which he has incurred because of his extravagance.
(b) Explain the meaning of the phrase ‘swelling port’. To whom is this phrase applicable?
In the above mentioned passage, the word ‘swelling port’ means lavish style of living beyond one’s means. This phrase applies to Bassanio who has lived his life spending lavishly much beyond his means.
(c) From the above mentioned lines what do you know about Antonio?
The above mentioned passage throws a valuable light on the personality of Antonio. He seems to be a wealthy and generous man as he has lent money to Bassanio in the past.
(d) What does the above mentioned passage tell us about the relation between Bassanio and Antonio?
From the given passage we come to know that Bassanio and Antonio are good friends. Bassanio has full faith in Antonio and he discloses to Antonio all his plans and thoughts.
Bassanio tells Antonio everything about his past and present life. Antonio has been a good friend to Bassanio. In the past he has lent money to Bassanio.
Importance of Commerce.
1) Hindrance of persons.
2) Hindrance of place.
3) Hindrance of time.
4) Hindrance of Risk.
5) Hindrance of Finance.
6) Hindrance of knowledge
Rishi Aurobindo Memorial Academy
134 P
.
K
.
Guha Road DumDum Kol
-
28
Study Material
of
30
/3/2020
For Class Nursery to Nine
Class Nursery
Subject
Topic
Execution
English
·
Reading Book
·
Practice Book
Ř
Pg 4
–
9 (Oral)
Ř
Pg 4 (Write)
Math
·
Practice Book
Ř
Pg 34 (Write)
Hindi
·
Letter ‘
?
’
Ø
Write in Copy
Bengali
·
??? ????
Ø
Pg 3 (Write)
KG I
Subject
Topic
Execution
English
·
Reading Book
Ø
Pg 8, 9
Math
·
Reading Book
Ø
Pg 135
Bengali
·
??????? ?????
Ø
Pg 5
Hindi
·
?????
Ø
?
??
??
??
?????
(1 to 10)
KG II
Subject
Topic
Execution
English
(Term 1 Book)
·
Pg 42, 43, 44
·
Rhymes Pg 64
Ø
Listen and read
Ø
Listen Read & Repeat
Math
(Term 1 Book)
Ø
Pg 79
Ø
Read and write
Science
(Term 1 Book)
Ø
Pg 123
Ø
Listen, read & Repeat
Class I
Subject
Topic
Summary
Execution
Hindi
Chapter 1
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2
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Book
page
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15
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Book
page
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17
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Bengali
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English 1
Chapter
2 (One
and
many)
We add “s” to words to show many like book
-
books
,pencil
-
pencils
Solved exercises from book:
-
A.C
omplete the table:
-
1
.
chairs
-
chairs
2.
boy
-
boys
3.
belt
-
belts
4.
shirt
-
shirts
5.
fan
-
fans
6.
lion
-
lions
7.
elephant
-
elephants
8.
window
-
Windows
9.
Apple
-
apples
10.
cap
-
caps
English 2
Chapter
3(excuse
me,
This is a story of a small village boy named Raghu.
In this story we get to know how Raghu
spends his day by playing with his
chicks, hens, goat and monkey that he had.
He was
sometimes becomes careless as his birds and animals get into the house of other people and