pmr trial 2011 - science ( sabah )
TRANSCRIPT
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1. Which apparatus is the most suitable for measuring 18.4 cm3 of sodium hydroxide
solution?
Radas yang manakah paling sesuai untuk menyukat18.4 cm3 larutan natrium
hidroksida?
A 25 cm3 beaker
Bikar25 cm3
B 50 cm3 pipette
Pipet50 cm3
C 50 cm3 burette
Buret 50 cm3
D 50 cm3 measuring cylinder
Silinder penyukat 50 cm3
2. Which of the following comparisons is correct?Antara perbandingan berikut, yang manakah betul?
Plant cell
Sel tumbuhan
Animal cell
Sel haiwan
A
Has a cell wall
Mempunyai dinding sel
No cell wall
Tiada dinding sel
B Has cytoplasm
Mempunyai sitoplasma
No cytoplasm
Tiada sitoplasma
C Has a nucleus
Mempunyai nucleus
No nucleus
Tiada nucleus
D No chloroplastsTiada kloroplas
Has chloroplastsAda kloroplas
3. Diagram 1 shows the arrangement of particles in element P, Q and R.
Rajah 1 menunjukkan susunan zarah-zarah dalam elemen P, Q dan R
Diagram 1
Rajah 1
Which of the following represents oxygen, mercury and carbon?
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Antara yang berikut, yang manakah mewakili oksigen, merkuri dan
karbon?
Oxygen
Oksige
n
Mercury
Merkuri
Carbon
Karbon
A P Q R
B Q P R
C Q R P
D R Q P
4. The following information describes the characteristics of matter M.
Maklumat berikut menghuraikan ciri-ciri jirim M.
- Malleable
Boleh ditempa
- Has shiny surface
Mempunyai permukaan berkilat
- Good heat and electrical conductor
Pengalir haba dan elektrik yang baik
What is M?
Apakah M?
A Sulphur
SulfurB Carbon
KarbonC Iodine
IodinD Zinc
Zink
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5. Diagram 2 shows an experiment. The candle in Q extinguishes earlier than the
candle in P
Rajah 2 menunjukkan satu eksperimen. Lilin dalam Q padam lebih awal
daripada lilin dalam P.
Diagram 2
Rajah 2
What is the conclusion of the experiment?
Apakah kesimpulan bagi eksperimen ini?
A Exhaled air contains more water vapour than inhaled air.
Udara hembusan mengandungi lebih banyak wap air daripada udara
sedutan.
B Exhaled air contains less carbon dioxide than inhaled air.
Udarahembusan mengandungi kurang karbon dioksida daripada udara
sedutan
C Exhaled air contains less oxygen than inhaled air.
Udara hembusan mengandungi kurang oksigen daripada udarasedutan.
D Exhaled air is warmer than inhaled air.
Udara hembusan lebih panas daripada udara sedutan.
6. Diagram 3 shows the composition of air.
Rajah 3 menunjukkan komposisi udara.
Diagram 3
Rajah 3
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What are represented by P, Q, R and S?
Apakah yang diwakili oleh P, Q, R dan S?
P Q R S
A Carbon dioxide
Karbon dioksida
Inert gases
Gas Nadir
Oxygen
Oksigen
Nitrogen
B Oxygen
Oksigen
Nitrogen Carbon dioxide
Karbon
dioksida
Inert gases
Gas Nadir
C Nitrogen Oxygen
Oksigen
Inert gases
Gas Nadir
Carbon dioxide
Karbon
dioksida
D Nitrogen Oxygen
Oksigen
Carbon dioxide
Karbon
dioksida
Inert gases
Gas Nadir
7. What is the phenomenon caused by excessive carbon dioxide in the air?
Apakah fenomena yang disebabkan oleh karbon dioksida berlebihan dalam udara?
A Acid rain
Hujan asid
B Soil erosion
Hakisan tanah
C Green house effect
Kesan rumah hijau
D The depletion of ozone layer Penipisan lapisan ozon.
8. Which of the following energy change takes place in an electrical toaster?
Antara perubahan tenaga berikut, yang manakah berlaku dalam pembakar roti
elektrik?
9. The steps P, Q, R and S describe how fire alarm system works.
A Electrical energy Light energy
Tenaga elektrik Tenaga cahaya
B Electrical energy Heat energy
Tenaga elektrik Tenaga haba
C Electrical energy Sound energy
Tenaga elektrik Tenaga bunyi
D Electrical energy Kinetic energy
Tenaga elektrik Tenaga kinetic
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Langkah-langkah P, Q, R dan S menghuraikan bagaimana satu penggera kebakaran
berfungsi
10. It is advisable to wear white T-shirt on hot days. This is because white T-shirt
is a
Adalah digalakkan untuk memakai kemeja-T putih pada hari panas. Ini adalah
kerana kemeja-T putih ialah
A good insulator of heatpenebathaba yang baik .
B good reflector of heat
P: Heat from a fire causes the bimetallic strip to expand and bend.
Haba dari kebakaran menyebabkan jalur dwilogam mengembang dan
membengkok.
Q: Electric current flows through the circuit.
Arus elektrik mengalir melalui litar.
R: Loud siren
Bunyi siren yang kuat
S: The bimetallic strip touches the contact.
Jalur dwilogam melengkapkan sesentuh.
Which of the following shows the correct order?
Antara yang berikut, yang manakah menunjukkan urutan yang betul?
A P, Q, R, SB P, S, Q, R
C R, Q, S, PD S, P, Q, R
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pemantulhaba yang baik
C good absorber of heat
penyerap haba yang baikD good emitter of heat
pemancar haba yang baik
11. Diagram 4 shows the pathway of an impulse after a stimulus is received by the skin.Rajah 4 menunjukkan laluan impuls selepas satu rangsangan diterima oleh kulit.
Stimulus P Nerve Q Nerve R
Rangsangan Saraf Saraf
Diagram 4
Rajah 4
Which of the following represents P, Q and R?
Antara yang berikut, yang manakah mewakiliP, Q dan R?
P Q R
A
.
Brain
Otak
Effector
Efektor
Receptor
Reseptor
B
.
Brain
Otak
Receptor
Reseptor
Effector
Efektor
C
.
Effector
Efektor
Brain
Otak
Receptor
ReseptorD
.
Receptor
Reseptor
Brain
Otak
Effector
Efektor
12. Diagram 5 below shows a food pyramid
Rajah 5 menunjukkan piramid makanan
Diagram 5
Rajah 5
Which types of food are found in level S?
Jenis makanan yang manakah terdapat dalam aras S?
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A Oil and sugar
Minyak dan gula
B Cereals and rice
Bijirin dan beras
C Meat and fishDaging dan ikan
D Fruits and vegetables
Buah-buahan dan sayur-sayuran
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13.
Diagram 6
Rajah 6
Which is true about the organs labelled R and S in Diagram 6?
Antara yang berikut, yang manakah benartentang organ yang berlabel R dan S
dalam Rajah 6?
R S
A Protein is digested
Protein dicernakan
Produces bile fluid
Menghasilkan cecair hempeduB Digested food is absorbed
Makanan tercerna diserap
Protein is digested
Protein dicernakan
C Protein is digested
Protein dicernakan
Digested food is absorbed
Makanan tercerna diserap
D Produces bile fluid
Menghasilkan cecair hempedu
Protein is digested
Protein dicernakan
14. Which of the following animals are invertebrates?
Antara yang berikut, yang manakah kumpulan haiwan invertebrata?
A Turtle, eel, lizard
Penyu, belut, cicak
B Frog, starfish, squid
Katak, tapak sulaiman, sotong.
C Cockroach, squid, prawn
Lipas, sotong, udang
D Crab, eel, owl
Ketam, belut, burung hantu.
15. Table 1 shows the population of a variety of organisms P, Q, R and S in a habitat in
which food chain is formed
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Jadual1 menunjukkan variasi beberapa organisma P, Q, R dan S di dalam suatu
habitat yang membentuk rantai makanan
Organisms Number of organisms
P 50
Q 8500
R 400S 1500
Table 1
Jadual1
Which of the following represents P, Q, R and S?
Antara yang berikut, yang manakahmewakili P, Q, R dan S?
P Q R S
A. Tertiary consumer
Pengguna tertier
Producer
Pengeluar
Secondary
consumerPengguna sekunder
Primary consumer
Pengguna primer
B. Secondary
consumer
Pengguna sekunder
Tertiary consumer
Pengguna tertier
Producer
Pengeluar
Primary consumer
Pengguna primer
C. Producer
Pengeluar
Secondary
consumer
Pengguna sekunder
Tertiary consumer
Pengguna tertier
Primary consumer
Pengguna primer
D. Secondary
consumer
Pengguna sekunder
Tertiary consumer
Pengguna tertier
Primary consumer
Pengguna primer
Producer
Pengeluar
16. Diagram 7 shows a food web.
Rajah 7 menunjukkan siratan makanan
Diagram 7
Rajah 7
Which of the following pairs of organisms are competitors for the same food?
Antara pasangan yang berikut, yang manakah bersaing untuk makanan yangsama
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A Snail and snake
Siput dan ular
B Snake and chicken
Ular dan ayam
C Caterpillar and eagle
Beluncas dan helang
D Chicken and caterpillarAyam dan beluncas
17. Which of the following pairs of substances forms a solution when mixed?
Antara yang berikut, pasangan bahan yang manakah akan membentuk larutan
apabila dicampur?
A. Oil and water
Minyak dan air
B. Dust and airHabuk dan udara
C. Chalk powder and water
Karbon dioksida dan air kapur
D. Copper sulphate and water
Kuprum sulfat dan air
18. Diagram 8 shows three types of solutions R, S and T.
Rajah 8 menunjukkan tiga jenis larutan R,S dan T.
Diagram 8
Rajah 8
R, S and T represent
R, S dan T mewakili
R S T
ADilute solution
Larutan cair
Saturated solution
Larutan tepu
Concentrated solution
Larutan pekat
R S T
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BConcentrated solution
Larutan pekat
Dilute solution
Larutan cair
Saturated solution
Larutan tepu
CSaturated solution
Larutan tepu
Dilute solution
Larutan cair
Concentrated solution
Larutan pekat
DDilute solution
Larutan cair
Concentrated solution
Larutan pekat
Saturated solution
Larutan tepu
19. Which of the following factors affect air pressure?
Antara faktor berikut, yang manakah mempengaruhi tekanan udara?
I.Volume of air
Isipadu udara
II.Temperature of air
Suhu udara
III. Composition of air
Kandungan udara
A. I and II only
I dan II sahaja
B. I and III only
I dan III sahaja
C. II and III only
II dan III sahaja
D. I, II and III only
I, II dan III sahaja
20. The following shows a list of observation.
Berikut ialah satu senarai pemerhatian.
A glass breaks when dropped
Gelas pecah apabila dijatuhkan
A balloon expands when blown up
Belon mengembang apabila ditiup
A rubber band becomes longer when stretched
Gelang getah menjadi lebih panjang apabila diregang
What conclusion can you make from the observations?
Apakah kesimpulan yang boleh anda buat daripada pemerhatian-pemerhatian itu?
A. Force is a push or a pull
Daya ialah satu tolakan atau tarikan
B. Force has a direction and magnitude
Daya mempunyai arah dan magnitud
C. Force can change the shape of objects
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Daya boleh mengubah bentuk objek
D. Force can change the position of objects
Daya boleh mengubah kedudukan objek
21. Diagram 9 shows a boy with a mass of 50 kg carrying a load with a mass of 18 kg.He walks a distance of 60 m in 30 seconds.
Rajah 9 menunjukkan seorang budak lelaki berjisim 50kg membawa beban
berjisim 18kg. Dia berjalan sejauh 60m dalam masa 30 saat.
Diagram 9
Rajah 9
Calculate the power.
Hitungkan kuasa.
A. 1080 W
B. 1120 W
C. 1240 W
D. 1360 W
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22. Diagram 10 shows what happens to a non-woody plant
Rajah 10 menunjukkan apa yang berlaku ke atas sebatang pokok tak berkayu.
Diagram 10
Rajah 10
The plant wilt because it does not get
Pokok menjadi layu kerana tidak mendapat cukup
A. light
cahaya
B. water
air
C. fertiliser
baja
D. carbon dioxide
karbon dioksida
23. Which of the following helps a boxer to be more stable?Antara berikut yang manakah membantu seorang peninju menjadi lebih stabil?
A. Standing with his legs apart
Berdiri dengan kaki yang terbuka
B. Lifting up one of his leg
Mengangkat satu kakinya
C. Jumping all the time
Melompat sepanjang masa
D. Wearing glovesMemakai sarung tangan
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24. Diagram 11 shows a type of lever.
Rajah 11 menunjukkan sejenis tuas.
Diagram 11
Rajah 11
Which of the following levers can be classified in the same class as the lever above?
Antara tuas berikut, yang manakah boleh digolongkan dalam kelas tuas yang sama
dengan tuas dia atas?
A.
B.
C.
D.
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25. Diagram 12 shows a cake seller carrying two baskets which is in equilibrium.
Rajah 12 menunjukkan seorang penjual kuih membawa bakul dalam keadaan
keseimbangan.
Diagram 12
Rajah 12
Find the value ofx.
Cari nilaix.
A. 60 N
B. 80 N
C. 100 N
D. 200 N
26 Diagram 13 shows a section of the human respiratory system.
Rajah 13 menunjukkan sebahagian daripada sistem respirasi manusia
Diagram 13
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Rajah 13
What takes place in the structure labelled S?
Apakah yang berlaku pada struktur berlabelS?
A Exchange of gases
Pertukaran gasB Secretion of enzymes
Rembesan enzim
C Production of oxygen
Penghasilan oksigen
D Production of new cells
Penghasilan sel-sel baru
27 Which of the following diseases is caused by smoking?
Antara penyakit-penyakit berikut, yang manakah disebabkan oleh merokok?
A Diabetes
Kencing manis
B Lung cancer
Kanser paru-paru
C Leukemia
Leukimia
D Cold
Selsema.
28 Diagram 14 shows a type of blood cell.
Rajah 14 menunjukkan sejenis sel darah.
Diagram 14
Rajah 14
Which statement shows the function of this blood cell.
Pernyataan manakah yang menunjukkan fungsi sel darah ini.
A Destroy bacteria
Membunuh bakteria
B Transport oxygen
Mengangkut oksigen
C Produce antitoxin
Menghasilkan antitoksin
D Helps in blood clotting
Membantu pembekuandarah
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29 Diagram 15 shows the longitudinal section of the kidney
Rajah 15 menunjukkan keratan memanjang buah pinggang
Diagram 15
Rajah 15
What are structures labelled P, Q and R?
Apakah struktur berlabelP, Q dan R?
P Q R
A Medulla
Medula
Cortex
Korteks
Ureter
Ureter
B Cortex
Korteks
Medulla
Medula
Ureter
Ureter
C Ureter
Ureter
Pelvis
Pelvis
Medulla
MedulaD Pelvis
Pelvis
Medulla
Medula
Cortex
Korteks
30. Which of the following channels removes urine from the urinary bladder?
Antara saluran berikut, yang manakah menyingkirkan air kencing dari pundi kencing?
A Urethra
Uretra
B Ureter
UreterC Uterus
Uterus
D Pelvis
Pelvis
31. Diagram 16 shows the stages of human development from fertilization until birth.
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Rajah 16 menunjukkan perkembangan manusia dari peringkat persenyawaan
sehingga kelahiran.
Diagram 16
Rajah 16
Which of the following are true for stages X, Y and Z?
Antara yang berikut yang manakah benar bagi peringkatX, Y and Z?
X Y Z
A Embryo
Embrio
Foetus
Fetus
Adult
Dewasa
B Adult
Dewasa
Foetus
Fetus
Embryo
Embrio
C FoetusFetus
EmbryoEmbrio
AdultDewasa
D Embryo
Embrio
Adult
Dewasa
Foetus
Fetus
32. Diagram 17 shows a graph of human growth based on height.
Rajah 17 menunjukkan graf pertumbuhan manusia berdasarkan ketinggian.
Diagram 17
Rajah 17
Which of the following stages P, Q, Rand Sdoes a child reach puberty?
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Antara peringkatP,Q, R dan S, yang manakah peringkat akil baligh?
A Stage P
PeringkatP
B Stage Q
PeringkatQC Stage R
PeringkatR
D Stage S
PeringkatS
33. Diagram 18 shows an activity to study the effect of heat on snail shell.
Rajah 18 menunjukkan satu aktiviti untuk mengkaji kesan haba ke atas cengkerang
siput.
Diagram 18
Rajah 18
Which substance is formed in test tube P after the reaction has taken placed after
heating?
Bahan manakah terbentuk di dalam tabung uji P selepas tindakbalas berlaku
selepas pemanasan?
A Calcium hydroxide
Kalsium hidroksida
B Calcium oxide
Kalsium oksida
C Calcium chloride
Kalsium klorida
D Calcium bicarbonate
Kalsium bikarbonat
34. Which of the following petroleum fraction is correctly matched to its use?
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Antara pecahan petroleum berikut, yang manakah dipadankan dengan betul kepada
kegunaannya?
A
B
C
D
35
Diagram 19
Rajah 19
What should a student do to change the direction of the magnetic field pattern in
Diagram 19?
Apakah yang perlu dilakukan oleh seorang pelajar untuk mengubah arah corak
medan magnet pada Rajah 19?
A Use one dry cellMenggunakan satu sel kering
B Use a shorter wire
Petroleum Fraction
Pecahan petroleum
Use
Kegunaan
Petrolpetrol
As aircraft fuelSebagai bahan api kapal terbang
Bitumen
Bitumen
As ship fuel
Sebagai bahan api kapal
Kerosene
Kerosin
As motorcycle fuel
Sebagai bahan api motorsikal
Diesel
Disel
As lorry fuel
Sebagai bahan api lori
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Menggunakan wayar yang lebih pendek
C Increase the number of dry cells
Menambahkan bilangan sel kering
D Change the terminal arrangement of the dry cells
Menukarkan susunan terminal sel kering.
36. The following equation represents the reaction of heat on lead sulphidePersamaan berikut mewakili tindakbalas haba terhadap plumbum sulfida
Lead sulphide + oxygen heat Lead oxide + P
Plumbum sulfida + oksigen haba Plumbum oksida + P
What is P?
Apakah P?
A Oxygen
Oksigen
B Sulphur
Sulfur
C Sulphur dioxide
Sulfur dioksidaD Carbon dioxide
Karbon dioksida
37. A washing machine labelled 240V, 1000W is used for 8 hours. Calculate the total
cost of the electrical energy used for 10 days if the rate of electrical energy is RM0.20
per unit.
Sebuah mesin basuh yang berlabel 240V, 1000W digunakan selama 8 jam. Kirakan
jumlah kos tenaga elektrik yang digunakan selama 10 hari jika kadar tenaga adalah
RM0.20 seunit.
A RM1.60
B RM8.00
C RM16.00
D RM20.00
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38. Diagram 20 show layers of the sun. Which of the parts labelled A, B, C and
D is the hottest part in thesun?
Rajah 20 menunjukkan lapisan matahari. Antara bahagian yang berlabel A,B, C dan
D, yang manakah bahagian palingpanas?
Diagram 20
Rajah 20
39 What is the use of a space shuttle?
Apakah kegunaan kapal angkasa ulang alik?
A To transport astronauts
Membawa angkasawanB To predict the weather
Meramal keadaan cuaca
C To transmit telephone signals
Menghantar isyarat telefon
D To help navigating signal
Membantu pelayaran kapal
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40. Diagram 21 shows a device used in the study of astronomy.
Rajah 21 menunjukkan alat yang digunakan dalam pengkajian astronomi.
Diagram 21
Rajah 21
What is the function of the device?
Apakah fungsi alat tersebut?
A Carries the astronaut to outer space
Membawa angkasawan ke angkasa lepas
B Enable scientist to carry out research Membenarkan ahli sains menjalankan penyelidikan
C Observe cosmic bodies such as galaxies and nebulae
Memerhati jasad kosmik seperti galaksi dan nebula
D Collect informations and send back to the earth
Mengumpul maklumat dan menghantar balik ke bumi.
END OF QUESTION PAPER
KERTAS SOALAN TAMAT
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[Lihat sebelah
55/2Excel 2 2011 Science PMR Paper 2 SULIT
Section ABahagian A
[40 marks][40markah]
Answerall questionsJawab semua soalan
ForExaminers
use
1 (a) Diagram 1 shows the arrangement of particles in substances P, Q and R.Rajah 1menunjukkan susunan zarah-zarah bahan P, Q dan R
... ..
Diagram 1Rajah 1
[ 3 mark][ 3 markah ]
i) On Diagram 1, label the type of substance, P, Q and R by using the following words.Pada Rajah 1, labelkan jenis bahan, P, Q dan R dengan menggunakan perkataanberikut.
Element Compound MixtureUnsur Sebatian Campuran
ii) State one method to separate the components of a mixture.
Nyatakan satukaedah memisahkan komponen-komponen campuran.
.........................................................................................................................................[ 1 mark]
[ 1 markah ]
3
1(a)(i)
1
1(a)(ii)
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[Lihat sebelah
55/2Excel 2 2011 Science PMR Paper 2 SULIT
b) Draw lines to match substance R (in Diagram 1) with its examples.Lukis garisan untukmemadankan bahan R (dalam Rajah 1) dengan contoh-contohnya.
ExamplesContoh-contoh
[ 2 marks ]
[ 2 markah ]
ForExaminers
use
2. (a) Diagram 2.1 shows a food pyramid.
Rajah 2.1menunjukkan piramidmakanan.
Diagram 2.1
Rajah 2.1
R
AmmoniaAmmonia
GoldEmas
Water
Air 2
1(b)
6
Total A1
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[Lihat sebelah
55/2Excel 2 2011 Science PMR Paper 2 SULIT
(i) Name the food class in M.
Namakan kelas makanan di M.
..............................................................................................................
[ 1 mark][ 1markah ]
(ii) State one function of the food class stated in 2(a)(i)
Nyatakan satu fungsi bagi kelas makanan yang dinyatakan dalam2(a)(i).
..............................................................................................................
[ 1 mark]
[ 1 markah ]
(b) Diagram 2.2 shows an experiment to study the action of saliva on starch. After 30
minutes the contents of test tube P and Q is tested for starch and glucose.Rajah 2.2 menunjukkan satu eksperimen untuk mengkaji kesan air liur ke
atas kanji. Selepas 30 minit kandungan tabung uji P dan Q diuji untuk kanji
dan glukosa.
Diagram 2.2
Rajah 2.2
(i) Name the substance used to test the presence of starch.
Namakan bahan yang digunakan untukmenguji kehadiran kanji.
....................................................................................................................
[ 1 mark]
[ 1markah ]
ForExaminers
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1
2(b)(i)
1
2(a)(ii)
1
2 a i
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(ii) State the substance in the saliva that enables starch to be digested in
test tube Q.
Nyatakan bahan dalam air liur yangmembolehkan kanji dicernakan dalam
tabung ujiQ.
.....................................................................................................................[ 1 mark]
[ 1 markah ]
(iii) Explain the action of the substance mentioned in 2(b)(ii) on starch.
Jelaskan tindakan bahan yang disebutkan di2(b) (ii) ke atas kanji.
....................................................................................................................
[ 1 mark]
[ 1 markah ]
(iv) In which part of the alimentary canal does the same action occur as in test
tube Q?
Bahagian manakah pada salur alimentari, berlaku tindakan yang sama seperti
yang berlaku dalam tabung ujiQ?
....................................................................................................................
[ 1 mark]
[ 1 markah ]
ForExaminers
use
1
2(b)(iii)
6
Total A2
1
2(b)(ii)
1
2(b)(iv)
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3. Diagram 3 shows a human blood circulatory system.Rajah 3 menunjukkan satu sistem peredaran darah manusia.
Diagram 3Rajah 3
(a) (i) Name organ XNamakan organ X.
[ 1 mark]
[ 1 markah ]
(ii) State the main function of the heart.Nyatakan fungsi utama jantung.
[ 1 mark]
[ 1 markah ]
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1
3(a)(i)
1
3(a)(ii)
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(b) Oxygenated blood is transported through the pulmonary vein from the lungs to theheart. Then, the aorta transports it from the heart to all parts of the body except thelungs.Darah beroksigen diangkut melalui vena pulmonari dari peparu ke jantung.
Kemudian aorta mengangkut ia daripada jantung ke semua bahagian badankecuali peparu.
(i) Mark on Diagram 3 the flow of blood by using arrows below.Tandakan pada Rajah 3pengaliran darah dengan menggunakan anak panah dibawah.
[ 2 marks ][ 2 markah ]
(c) Diagram 3.1 shows the cross-section of blood vessels P and Q.Rajah 3.1 menunjukkan keratan rentas salur darah P dan salur darah Q.
Diagram 3.1Rajah 3.1
(i) State one difference between blood vessels P and Q?Nyatakan satuperbezaan antara salur darah P dan Q?
...[ 1 mark]
[1 markah ]
(ii) Give one reason for the answer in 3 (c)(i).Berikan satusebab bagi jawapan dalam3 (c)(i).
..[ 1 mark]
[ 1 markah ]
ForExaminers
use
2
3(b)(i)
1
3(c)(i)
1
3(c)(ii)
6
Total A3
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4. Diagram 4.1 shows an experiment to study the factor required for photosynthesis.
Both plant have been destarched and then left in the sun for three days.
Rajah 4.1menunjukkan satu eksperimen untukmengkaji faktor yang diperlukan bagi
fotosintesis. Kedua-dua pokok itu telah dinyahkanji dan dibiarkan di bawah cahaya
matahari selama tiga hari.
Diagram 4.1Rajah 4.1
(a) (i) State the result of the experiment when one leaf from the plant in bell jars P
and Q is tested or starch.
Nyatakan keputusan eksperimen apabila sehelai daun pokok di dalam serkup
kaca P dan Q diuji untuk kehadiran kanji.
...
[ 1 mark]
[ 1 markah ]
(ii) Based on the experiment, state one factor needed for photosynthesis.
Berdasarkan eksperimen ini, nyatakan satu faktor yang diperlukan bagi proses
fotosintesis
.
[ 1 mark]
[ 1 markah ]
(iii) Write the word equation for photosynthesis
Tulis persamaan dalam perkataan untuk fotosintesis.
...
[ 1 mark]
[ 1 markah ]
ForExaminers
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1
4(a)(i)
1
4(a)(ii)
1
4(a)(iii)
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(b) Diagram 4.2 shows the carbon cycle.
Rajah 4.2menunjukkan kitar karbon.
Diagram 4.2
Rajah 4.2
(i ) Complete the carbon cycle in Diagram 4.2 using processes chosen from the following
list.
Lengkapkan kitar karbon dalam Rajah 4.2menggunakan proses-proses yang dipilih
daripada senarai berikut.
[ 2 marks ]
[ 2 markah ]
(ii) Give one reason why plants are important in the carbon cycle
Berisatusebab mengapa tumbuhan adalah penting dalam kitar karbon.
.
.
[ 1 mark][ 1 markah ]
ForExaminers
use
RespirationRespirasi
PhotosynthesisFotosintesis
Combustion
Pembakaran
2
4(b)(i)
1
4(b)(ii)
6
Total A4
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5. Diagram 5 shows an experiment to study the density of several substances.
Rajah 5menunjukkan satu eksperimen untukmengkaji ketumpatan beberapabahan.
(a) (i) Why does the cork float on corn oil?
Mengapakah gabus terapung di atas minyak jagung?
........................................................................................................................[ 1 mark]
[ 1markah ]
(ii) Arrange the substances according to their density in ascending order.
Susun semua bahan berdasarkan ketumpatan dalam susunan menaik.
................................................................................................................................[ 1 mark]
[ 1markah ]
ForExaminers
use
Diagram 5
Rajah 5
1
5(a)(i)
1
5(a)(ii)
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(b) Diagram 5.1 shows an egg sinks in water.
Rajah 5.1menunjukkan sebiji telur tenggelam di dalam air.
Diagram 5.1Rajah 5.1
(i) Suggest one way to make the egg float.
Cadangkan satu cara untuk mengapungkan telur.
................................................................................................................
.......................................................................................................................[ 1 mark]
[ 1markah ](ii) Give one reason for the answer in 5(b)(i).
Berikan satusebab bagi jawapan dalam5(b)(i).
..........................................................................................................................[ 1 mark]
[1markah ]
(c) (i) Water has a density of 1 gcm-3. Predict what will happen if turpentine with a
density of 0.9 gcm-3 is added in to the water.
Air mem punyai ketumpatan 1 gcm-3. Ramalkan apa yang berlaku sekiranyaturpentin dengan ketumpatan 0.9 gcm-3 ditambahkan ke dalam air.
...............................................................................................................................[ 1 mark]
[ 1markah ]
ForExaminers
use
1
5(c)(i)
1
5(b)(ii)
1
5(b)(i)
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ii. Give one reason for the answer in 5(c)(i).Berikan satusebab bagi jawapan dalam5(c)(i).
.................................................................................................................[ 1 mark]
[ 1markah ]
(d) Table 5 shows the reading of two materials on the electronic balance.Jadual5 menunjukkan bacaan dua bahan di neraca elektronik.
MaterialBahan
Volume ( cm3 )Isipadu ( cm3 )
Mass ( g )Jisim ( g )
Density ( g/cm3 )Ketumpatan ( g/cm3 )
Rubber ballBola getah
9 14.6 1.6
Iron blockBlok besi
9 70.8 P
Table 5Jadual5
Based on the result in Table 5, calculate the value of P.Berdasarkan keputusan dalam Jadual5, hitungkan nilaiP.
Given,Diberi,
[ 2 marks ][ 2markah ]
ForExaminers
use
1
5(c)(ii)
2
5 d
Density = massvolume
Ketum patan = jisim
isipadu
8
Total A5
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6. Diagram 6.1 shows the human urinary systemRajah 6.1 menunjukkan sistem urinarimanusia
Diagram 6.1Rajah 6.1
(a) Name the structure P and Q.Namakan struktur P dan Q.
(i) P :
Q : [ 2 marks ]
[ 2markah ]
(ii) In Diagram 6.1, label the ureter with letter R and urethra with letter S.Dalam Rajah 6.1, label ureter dengan hurufR dan uretra dengan hurufS
[ 2 marks ][ 2markah ]
(b) The content of excretion waste in 100 cm3 urine sample collected from structure Qof a man is as below:Kandungan bahan kumuh dalam100 cm3 air kencing yang dikumpul dari struktur Qseorang lelaki adalah seperti berikut:
Excretion WasteBahan kumuh
Content/gKandungan/g
WaterAir
96.0
Mineral saltsGaram Mineral
1.7
Urea
Urea
2.0
Nitrogenous wasteBahan buangan bernitrogen
0.2
Substance YBahan Y
0.1
ForExaminers
use
2
6(a)(i)
2
6(a)(ii)
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Substance Y is tested with Benedict solution and the solution turns into a brick-redpercipitate.Bahan Y diuji dengan larutan Benedict dan larutan itu bertukar kepada mendakanmerah bata.
i. What is substance Y that is present in the urine?Apakah bahan Y yang terdapat dalam air kencing itu?
.....................................................................................................[ 1 mark]
[ 1markah ]
ii. State the name of the disease suffered by the man.Nyatakan nama penyakit yang dihidapi oleh lelaki itu.
........................................................................................................[ 1 mark]
[ 1markah ]
(c) A diet of a person will determine the contents of his urine. What kind of waste willincrease if a person takes on extra amount of the following substance:Diet seseorang akan menentukan kandungan air kencing. Apakah bahan buanganyang akan meningkat jika seseorangmengambil bahan berikut secara berlebihan:
i. Salts : ........................................................................Garam
ii. Protein: ........................................................................Protein
[ 2 marks ][ 2markah ]
ForExaminers
use
1
6 b i
1
6 b ii
2
6 c i ii
8
Total A6
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7 (a) Diagram 7 .1 shows the apparatus set-up to study the function of a step uptransformer.Rajah 7.1menunjukkan susunan radas untukmengkaji fungsi transformerinjak naik.
Diagram 7.1Rajah 7.1
(i) Based on Diagram 7.1, state the difference of the brightness between Bulb Pand Bulb Q.Berdasarkan Rajah 7.1, nyatakan perbezaan kecerahan antara mentolPdan mentolQ.
..
..[ 1 mark]
[ 1 markah ]
(ii) What inference can be made based on Diagram 7.1.Apakah inferens yang boleh dibuat berdasarkan Rajah 7.1.
[ 1 mark]
[ 1 markah ]
ForExaminers
use
1
7(a)(i)
1
7 a ii
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(iii) Based on Diagram 7.2, record the readings of the voltmeter.Berdasarkan rajah 7.2, catatkan bacaan voltmeter
Diagram 7.2Rajah 7.2
Number of turns on secondary coil = 23Bilangan lilitan pada gegelang sekunder
Voltmeter reading = VBacaan voltemeter
[ 1 mark][ 1 markah ]
(b) Table 7.3 shows the voltmeter reading of different number of turns on the secondarycoil.Jadual7.3 menunjukkan bacaan voltmeter untuk bilangan lilitan berbeza padagegelung sekunder.
Number or turns on
the primary coil
Bilangan lilitan pada
gegelung primer
Number of turns on
the secondary coil
Bilangan lilitan pada
gegelung sekunder
Voltmeter reading
Bacaan voltmeter
10 20 4
10 40 8
10 60 12
10 80
10 100 20
10 120
Table 7.3Jadual 7.3
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1
7(a)(iii)
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(i) Based on Table 7.3, predict the voltmeter reading if number of turns on thesecondary coil is 80 and 120. Record the reading of voltmeter into Table 7.3Berdasarkan Jadual 7.3, ramalkan bacaan voltmeter jika bilangan lilitan
pada Gegelung sekunder ialah 80 dan 120. Rekod bacaan voltmeter kedalam Jadual7.3
[ 2 marks ][ 2 markah ]
(ii) State the variables that involve in this experimentNyatakan pembolehubah yang terlibat dalam eksperiment ini.
Manipulated variable
Pembolehubah yang dimanipulasi
Responding variablePembolehubah yang bergerakbalas
[ 2 marks ][ 2 markah ]
(iii) State one hypothesis that can be made from this study.
Nyatakan satuhipotesis yang boleh dibuat daripada kajian ini.
[ 1 mark]
[ 1 markah ]
ForExaminers
use
8
Total B7
2
7 b i
2
7(b)(ii)
1
7 b iii
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8 A student carried out an experiment to investigate heat release by different types ofsurfaces . The initial temperature of the water in both conical flasks is 80 oC. The twoconical flasks X and Y are left to cool for 30 minutes and the temperature of thewater in conical flask X and Y are recorded at the end of the experiment.Seorangmuridmenjalankan satu eksperimen untukmenyiasat pembebasan habaoleh jenis permukaan yang berlainan. Bacaan awal untuk suhu air di kedua-dua
kelalang kon ialah 80oC. Kedua-dua kelalang kon X dan Y dibiarkan untukmenyejukselama 30 minit dan suhu air untuk setiap kelalang kon X dan Y dicatatkan padaakhir eksperimen.
Diagram 8.1Rajah 8.1
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(a) Based on the Diagram 8.2, record the reading of the thermometer in conical flaskX and Y every 10 minutes in Table 8.1Berdasarkan Rajah 8.2, catatkan suhu air untuk kelalang kon X dan Y setiap 10minitmasing-masing di dalam Jadual8.1.
After 10 minutes Thermometer Reading
Selepas 10minit Bacaan Termometer
After 20 minutes Thermometer ReadingSelepas 20minit Bacaan Termometer
After 30 minutes Thermometer ReadingSelepas 30minit Bacaan Termometer
Diagram 8.2Rajah 8.2
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Flask
Kelalang
Temperature of water (oC)Suhu air(oC)
0 minute0minit 10 minutes10minit 20 minutes20minit 30 minutes30minit
X 80 68 56 43
Y 80 67
Table 8.1Jadual8.1
[ 2 mark][ 2markah ]
(b) State the hypothesis of the experiment..
Nyatakan hipotesis eksperimen ini.
..................................................................................................................................[ 1 mark]
[ 1markah ]
(c) State the variables involved in this experiment.Nyatakan pembolehubah-pembolehubah yang terlibat dalam eksperimen ini.
(i) Manipulated variable :Pembolehubah dimanipulasikan:
....................................................................................................................
(ii) Responding variable :Pembolehubah bergerakbalas:
......................................................................................................................
[ 2 marks ]
[ 2markah ]
ForExaminers
use
2
8(c)(i)(ii)
1
8(b)
2
8 a
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(d) (i) Based on the data in Table 8.1, draw a graph to show the relationship betweenthe temperature of water and time in conical flaskY.Berdasarkan data di dalam Jadual8.1, lakarkan satu graf yangmenunjukkanhubungan antara suhu air dengan masa untukkelalang konY.
[ 2 marks ][ 2 markah ]
(ii) Predict the temperature of water in conical flask Yafter 40 minutes.Ramalkan suhu air untuk kelalang kon Y selepas 40minit.
....................................................................................................................................[ 1 mark]
[ 1markah ]
ForExaminers
use
1
8(d)(ii)
2
8(d)(i)
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(iii) Based on the data in Table 8.1, state one relationship between the type of surfaceof flasks X and Y and the temperature of water.Berdasarkan data di dalam Jadual8.1, nyatakan satuhubungan antara jenis
permukaan untuk kelalang kon X andY dan suhu air.
................................................................................................................................
.................................................................................................................................[ 1 mark]
[ 1markah ]
(iv) State the operational definition of heat release in Diagram 8.1Nyatakan definisi secara operasi bagi haba yang dibebaskan dalam Rajah 8.1
..................................................................................................................................[ 1 mark]
[ 1markah ](e) Diagram 8.3 shows four objects, S,T,U and V
Rajah 8.3 menunjukkan empat objek, S,T,U dan V
S: Stainless steel cooking potPeriuk keluli tahan karat T: Shiny teapotTeko berkilat
U: Black T-ShirtKemeja-T hitam
V: Dark, dull capTopi gelap, pudar
Diagram 8.3Rajah 8.3
ForExaminers
use
1
2
8(c)
8(d)(iii)
1
8(d)(iv)
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Based on the operational definition of heat release in 8 (d)(iv), classify the objectsin Diagram 8.3 according their ability to release heat.Berdasarkan definisi secara operasi bagi haba yang dibebaskan dalam8 (d)(iv),kelaskan objek-objek dalam Rajah 8.3 berdasarkan keupayaan membebaskanhaba.
ClassificationPengelasan
ObjectObjek
Good ability to release heatKeupayaan membebaskan haba yang
baik
Poor ability to release heatKeupayaan membebaskan haba yang
kurang baik
[ 2 marks ][ 2 markah ]
ForExaminers
use
END OF QUESTIONPAPERKERTAS SOALAN TAMAT
2
8(e)
12
Total B8
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JAWAPAN
EXCEL 2 PMR
SAINS KERTAS 1
NO. SOALAN JAWAPAN NO. SOALAN JAWAPAN
1 C 21 D
2 A 22 B
3 D 23 A
4 D 24 B
5 C 25 A
6 A 26 A
7 C 27 B
8 B 28 B
9 B 29 B
10 B 30 A
11 D 31 A
12 B 32 C
13 C 33 B
14 C 34 D
15 A 35 D
16 D 36 C
17 D 37 C
18 B 38 D
19 A 39 A
20 C 40 D
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MARKING SCHEME
EXCEL 2 PMR 2011
PAPER 2
1
Question Suggested Answer Marks
1.
a) P= Element , Q = Mixture, R = Compound
Unsur campuran sebatian
b) Filtration / Evaporation / using magnet
Penapisan/ sejatan / mengguna magnet
c)
Examples
Contoh-contoh
3 m
1m
2 m
TOTAL= 6 m
2 (a) (i) Proteins
(ii) For growth//repair body cells (accept other correct answer)
(b) (i) iodine solution
(ii) amylase enzymes
(iii)break down(digest) starch into glucose(iv)the mouth
1 m1 m
1 m1 m
1 m1 m
TOTAL= 6 m
Ammonia
Ammonia
RGold
Emas
Water
Air
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MARKING SCHEME
EXCEL 2 PMR 2011
PAPER 2
2
3a (i) Lungs
(ii) To pump blood to the whole body
b (i)
c) (i) Blood vessel Q has thicker wall than blood vessel P(ii) Blood vessel Q transport blood which flow at high pressure
m
1 m
2 m
1 m1 m
TOTAL= 6 m
4. a) i. The leaf from the plant in bell jar P shows the presence of starch.
The leaf from plant in bell jar Q does not show the presence of
starch.
( If only one correct, get 0 mark)
Daun daripada pokok di dalam serkuk kaca P menunjukkan
kehadiran kanji.Daun daripada serkup kaca Q tidak
menunjukkan kehadiran kanji.
(Jika hanya satu betul; dapat 0 markah )
ii.Carbon dioxide
Karbon dioksida
Sunlight
Cahaya matahari
iii. Carbon dioxide + water Glucose + oxygen
Karbon dioksida + air Glukosa + oksigen
1m
1m
1m
Chlorophyll
Klorofil
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MARKING SCHEME
EXCEL 2 PMR 2011
PAPER 2
3
b) (i) X : Photosynthesis
Y :Respiration
(ii) Plants absorb carbon dioxide
Tumbuhan menyerap karbon dioksida
Plants supply oxygen
Tumbuhan membekalkan oksigen
Plants are source of food
Tumbuhan adalah sumber makanan
Plant provide fuel
Tumbuhan membekalkan bahan api
Plants maintain the percentage of oxygen and carbon
dioxide in the atmosphere
Tumbuhan mengekalkan peratusan oksigen dan
karbon dioksida di udara.
( Any one )
( 1 mark)
2m
1m
TOTAL= 6 m
5 a)i) The density of cork is less than the density of corn oil/ Ketumpatan
gabus kurang daripada ketumpatan air//OR
The density of corn oil is more than the density of cork/Ketumpatanminyak jagung lebih daripada ketumpatan gabus
ii) Cork, Corn oil, Ice,Water, Glyserine,Glass/Gabus, Minyak Jagung, Ais, Air,Gliserin,Kaca
b)i) Dissolve a lot of salt in the water/
Larutkan garam yang banyak di dalam airii) Salt increase the density of water/Garam meningkatkan ketumpatan
air//ORThe egg floats if the density of water is more than thedensity of eggs/Telur akan terapung apabila ketumpatan air adalahlebih daripada ketumpatan telur
1 m
1 m
1 m
1 m
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MARKING SCHEME
EXCEL 2 PMR 2011
PAPER 2
4
5c)i) Turpentine will float on water/
Turpentin akan terapung di atas air
ii) The density of turpentine is less than the density of water/
Ketumpatan turpentine adalah kurang daripada ketumpatan air
DensityKetumpatan = 70.8 g / 9 cm3
= 7.8 g/cm3
1 m
1 m
TOTAL= 6 m
6. a) i) P: Kidneyii) Q: Urinary bladderiii)
b) i) Glucoseii) Diabetes Mellitus
c) i) Mineral saltsii) Urea
2m
2m
2m
2m
TOTAL= 8 m
7. a) i) The brightness of bulb Q is higher than bulb P// Bulb Q brighterthan bulb P
ii) Bulb Q brighter than bulb P because the number of turns on thesecondary coil are higher//Bulb Q brighter than bulb P because the higher the number of turnson the secondary coil, the higher the voltmeter reading.
iii) 4.6 V
b) i) 16, 20
ii) Manipulated: number of turns on the secondary coilResponding : voltmeter reading
iii) the higher the number of turns on the secondary coil, the higherthe voltmeter reading//
As the number of turns on the secondary coil increase,voltmeter reading reading//The voltmeter reading increase with the number of turns on thesecondary coil
1m
1m
1m
2m
2m
1m
TOTAL= 8m
R
S
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5
8. (a)
FlaskKelalang
Temperature of wateroCSuhu air
0 min
0 minit
10 mins
10 minit
20 mins
20 minit
30 mins
30 minit
Y 100 75 71 67
c) Dull, black surface are better radiator of heat than shiny, whitesurface// Dull, black surface release heat better than shiny,white surfacePermukaan pudar, gelap membebaskan haba lebih baikberbanding dengan permukaan berkilat, putih
(c) (i) Type of surfaces/ Colours of paint/ Black and silver paint (i) Jenis permukaan/ Warna permukaan kelalang kon/ cat
hitam dan cat aluminium
(ii) Temperature of water/ The reading of thermometer(ii) Suhu air/ Bacaan termometer
(d) (i) Plot correctly ; Graph correctly drawn
ii) below 67 oCdibawah 67 oC
2m
1m
1m
1m
2m
1m
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(iii) The black surface release more heat and therefore thetemperature in conical flask X drops faster than the temperaturein conical flask Y.Permukaan yang gelap membebaskan lebih haba, oleh itu, suhudi dalam kelalang kon X menurun lebih cepat daripada suhu di
dalam kelalang Y
(iv) Heat release is the temperature of waterPembebasan haba ialah suhu air
e)
ClassificationPengelasan
ObjectObjek
Good ability to release heatKeupayaan membebaskan haba yang
baik U, V
Poor ability to release heatKeupayaan membebaskan haba yang
kurang baik S, T
Accept If student name the object.
1m
1m
2m
Total=12 m