Pmr Trial 2009 Sce Q&a (phg)

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SULIT 55/1 Science Paper 1 Time: 1 hour

PEPERIKSAAN PERCUBAAN PMR 2009 ________________________________________________________________ SAINS Kertas 1 Satu jam ________________________________________________________________ JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU 1. Kertas soalan ini adalah dalam dwibahasa. 2. Soalan dalam bahasa Inggeris mendahului soalan yang sepadan dalam bahasa Melayu. 3. Calon dikehendaki membaca maklumat di halaman belakang kertas soalan ini.

________________________________________________________________ Kertas soalan ini mengandungi 37 halaman bercetak [Lihat sebelah @PKPSM Pahang

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55/1 INFORMATION FOR CANDIDATES MAKLUMAT UNTUK CALON

1.

This question paper consists of 40 questions. Kertas soalan ini mengandungi 40 soalan.

2.

Answer all questions. Jawab semua soalan.

3.

Each question is followed by four alternative answers, A, B, C and D. For each question, choose one answer only. Blacken your answer on the objective answer sheet provided. Tiap-tiap soalan diikuti oleh empat pilihan jawapan, iaitu A, B, C dan D. Bagi setiap soalan, pilih satu jawapan sahaja. Hitamkan jawapan anda pada kertas jawapan objektif yang disediakan.

4.

If you wish to change your answer, erase the blackened mark that you have made. Then blacken the new answer. Jika anda hendak menukar jawapan, padamkan tanda yang telah dibuat. Kemudian hitamkan jawapan yang baru.

5.

The diagrams in the questions provided are not drawn to scale unless stated. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.

6.

You may use a non-programmable scientific calculator. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogram.

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1 A student wants to find the volume of a stone. He puts the stone into a measuring cylinder filled with water. Based on Diagram 1, what is the volume of the stone? Seorang pelajar ingin mencari isipadu seketul batu. Batu itu dimasukkan ke dalam silinder penyukat yang berisi air. Berdasarkan Rajah 1, berapakah isipadu batu itu? cm3 100

cm3 100

90

90

80

80

70

70

60

60

50

Water

50

40

Air

40

Water

30

Air

20

30

Stone

10

Batu

20 10

Diagram 1 Rajah 1

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A

17cm3

B

20 cm3

C

46 cm3

D

63 cm3

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55/1 Diagram 2 shows the organisation of cells in the human body. Rajah 2 menunjukkan organisasi sel dalam badan manusia. Cell

Tissue

P

System

Organism

Sel

Tisu

P

Sistem

Organisma

Diagram 2 Rajah 2

Which of the following is an example of P? Antara berikut yang manakah contoh P? A B C D

3

Platelet Platlet Ossicles Osikel Stomach Perut Optic nerve Saraf optik

Diagram 3 shows a plant cell.

Q

Rajah 3 menunjukkan sel tumbuhan.

What is the function of the part labelled Q? Apakah fungsi bahagian yang berlabel Q?

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A

To carry out photosynthesis Untuk menjalankan fotosintesis

B

To control the activities of the cell Mengawal segala aktiviti sel

C

To maintain the shape of the cell Memberi bentuk kepada sel

D

To store dissolved food in the cell Menyimpan makanan terlarut dalam sel

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Diagram 3 Rajah 3

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• • • • •

Liquid P is denser than liquid Q Cecair P lebih tumpat daripada cecair Q Solid L floats in Q Pepejal L terapung di atas Q Solid M sinks in P Pepejal M tenggelam di dalam P Solid N sinks in Q Pepejal N tenggelam di dalam Q Solid N floats in P Pepejal N terapung di atas P

Based on the information above, arrange P, Q, L, M and N according to their densities in descending order. Berdasarkan maklumat di atas, susun P, Q, L, M dan N menurut ketumpatan secara menurun. A L, Q, N, P, M B M, P, N, Q, L C P, Q, M, N, L D M, N, P, Q, L 5

Which of the following activity A, B, C or D, shows that air has mass? Di antara A, B, C atau D, aktiviti yang manakah menunjukkan udara mempunyai jisim?

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AA

CC

B

DD

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Which of the following is a natural resource on Earth? Di antara berikut, yang manakah adalah sumber semulajadi di permukaan Bumi? A. Sun Matahari B. Soil Tanah C. Win Anginl D. Rain Hujan

7

Which of the following methods can be used to separate a mixture of iron filings and sulphur powder? Di antara kaedah berikut, yang manakah boleh digunakan untuk mengasingkan satu campuran serbuk besi dengan serbuk sulfur? A B C D

8

Filtration (Penurasan) Distillation (Penyulingan) Electrolysis (Elektrolisis) Magnetic attraction (Tarikan magnet)

Diagram 4 shows the conditions needed for combustion. What do P, Q and R represent? Rajah 4 menunjukkan syarat-syarat yang diperlukan untuk pembakaran. Apakah yang diwakili oleh P, Q dan R?

Diagram 4 Rajah 4

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P

Q

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A

Light, fuel and oxygen Cahaya, bahan api dan oksigen

B

Fuel, oxygen and heat Bahan api, oksigen dan haba

C

Oxygen, carbon and fuel Oksigen, karbon dan bahan api

D

Carbon dioxide, heat and coal Karbon dioksida, haba dan karbon

A test tube filled with carbon dioxide is inverted into a beaker containing sodium hydroxide solution as shown in Diagram 5(a). Diagram 5(b) shows the results of the activity after one hour. What is the conclusion of this activity? Sebuah tabung uji mengandungi karbon dioksida ditelangkupkan ke dalam sebuah bikar yang berisi larutan natrium hidroksida seperti yang ditunjukkan dalam Rajah 5(a). Rajah 5(b) menunjukkan keputusan aktiviti selepas satu jam. Apakah kesimpulan aktiviti ini?

Carbon dioxide Karbon dioksida

Sodium hydroxide solution Larutan natrium hidroksida

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(a)

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A

Carbon dioxide is acidic Karbon dioksida bersifat asid

B

Carbon dioxide reacts with water to release gas Karbon dioksida bertindak balas dengan air untuk membebaskan gas

C

Carbon dioxide is soluble in sodium hydroxide solution Karbon dioksida larut dalam larutan natrum hidroksida

D

Carbon dioxide is insoluble in sodium hydroxide solution Karbon dioksida tidak larut dalam larutan natrum hidroksida

10 •

Decayed wood (Kayu reput )



Dried leaves (Daun kering )



Faeces of farm animals (Najis binatang)

The information above shows examples of renewable sources of energy. What is the name of this type of energy source? Maklumat di atas menunjukkan contoh sumber tenaga yang boleh diperbaharui. Apakah nama sumber tenaga ini?

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A

Coal (Arang)

B

Biomass (Biojisim)

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Petroleum (Petroleum)

D

Geothermal (Geoterma)

11 Which part of the plant shows positive hydrotropism? Bahagian tumbuhan yang manakah menunjukkan hidrotropisma positif? A

Root (Akar)

B

Leaf (Daun)

C

Stem (Batang)

D

Shoot (Pucuk)

12 Diagram 6 shows a beaker filled with water. A piece of potassium manganate (VII) crystal is put into the beaker and the water is heated. Rajah 6 menunjukkan sebuah bikar berisi air. Seketul kalium manganat (VII) di masukkan ke dalam bikar itu dan air dipanaskan. Diagram 6 Rajah 6

Water Air Potassium manganate (VII) crystal Hablur kalium permanganate (VII) Heating Pemanasan

Which of the following shows the direction of movement of the colour produced

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Antara berikut, yang manakah menunjukkan pergerakan warna yang dihasilkan apabila bikar dipanaskan? A

C

B

D

13 Diagram 7 shows a ray of light travelling from medium P to medium Q. Rajah 7 menunjukkan satu sinar cahaya yang merambat dari medium P ke Q.

Medium Q Diagram 7 Rajah 7

Medium P Which of the following could be medium P and Q? Antara berikut, yang manakah mungkln medium P dan Q? A B C D

Medium P Air (Udara) Air (Udara) Water(Air) Glass(Kaca)

Medium Q Glass (Kaca) Water(Air) Glass(Kaca) Water (Air)

14 A food sample is taken from organ Q shown in Diagram 8. After analysis, the pH

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55/1 value of the sampel is 3. Satu sample makanan diambil dari organ Q seperti yang ditunjukkan dalam Rajah 8. Selepas analisis, nilai pH sampel itu ialah 3.

Q Diagram 8 Diagram 8

Which of the following statements explain this condition? Antara pernyataan berikut, yang manakah menerangkan keadaan ini? A

Q secretes hydrochloric acid Q merembeskan asid hidroklorik

B

Q receives bile from the liver Q menereima hempedu daripada hati

C

Enzymes in Q change starch to glucose Enzim dalam Q menukar kanji kepada glukosa

D

Enzymes in Q change fat to fatty acids and glycerol Enzim dalam Q menukar lemak kepada asid lemak dan gliserol

15 Diagram 9 shows two different animals. Rajah 9 menunjukkan dua jenis haiwan yang berbeza. What is the similarity between the two animals? Apakah persamaan di antara kedua-dua haiwan ini? A

Furry (Berbulu)

B

Lay eggs (Bertelur)

C

Have scales (Mempunyai sisik )

D

Warm blooded (Berdarah panas)

Diagram 9 Rajah 9

16 Too much carbon dioxide in the air will cause a rise in the earth’s temperature. This is known as Terlalu banyak karbon dioksida di dalam udara akan menyebabkan peningkatan suhu bumi. Ini dikenali sebagai

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A air pollution (pencemaran udara) B water pollution (pencemaran air) C greenhouse effect (kesan rumah hijau) D depletion of ozone layer (penipisan lapisan ozon) 17 Diagram 10 shows a food web. Rajah 10 menunjukkan satu siratan makanan. P Diagram 10 Rajah 10

R

Q

S

Which organism has the biggest population? Organisma yang manakah mempunyai populasi terbesar? A

Organism P (Organisma P)

B. Organism Q (Organisma Q)

C

Organism R (Organisma R)

D. Organism S (Organisma S)

18 Diagram 11 shows the pH scale and the pH value of some substances. Rajah 11 menunjukkan skala pH dan nilai pH beberapa bahan. Diagram 11 Rajah 11

Distilled water Air suling

P

1

2

3

4

5

6

7

8

Soap solution Larutan sabun

9

10 11 12 13 14

Which of the following represents P? Di antara berikut, yang manakah mewakili P? A

Tomato (Tomato)

C

Lime water (Air kapur)

B

Toothpaste (Ubat gigi)

D

Milk of Magnesia (Susu magnesia)

19 In which of the following situation, A, B, C or D, will the sugar dissolves the fastest? Di antara A, B, C atau D, dalam keadaan manakah gula akan larut paling cepat? C

A

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12 Hot water Air panas

SULIT Cold water Air sejuk

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Diagram 12 shows evaporated milk flowing out from a tin. 20

Rajah 12 menunjukkan susu cair mengalir keluar dari tin. Tin Tin

Small hole Lubang kecil

Evaporated milk Susu cair

Diagram 12 Rajah 12

Milk can flow out from the tin because Susu boleh mengalir keluar dari tin kerana A B C

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air pressure in the tin increases tekanan udara di dalam tin bertambah air pressure in the tin decreases tekanan udara di dalam tin berkurang milk mixes with the air in the tin susu bercampur dengan udara di dalam tin

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air pressure in the tin is the same as the atmospheric pressure tekanan udara di dalam tin sama dengan tekanan atmosfera

21 The magnitude of the frictional force acting on an object moving on a flat surface depends on Magnitud daya geseran yang bertindak ke atas sesuatu objek yang bergerak di atas satu permukaan rata bergantung kepada I II III

A B C D

the weight of the object berat objek size of the base area of the object size luas tapak objek the type of surface it comes in contact with keadaan permukaan yang bersentuhan dengan objek I and II only ( I dan II sahaja) I and III only (I dan III sahaja) II and III only (II dan III sahaja) I, II and III (I, II dan III)

22 A box weighing 800 N is lifted to a vertical height of 2.0 m. How much work is done in lifting the box? Sebuah kotak 800 N di angkat menegak setinggi 2.0 m. Berapa banyak kerja yang telah dilakukan dalam mengangkat kotak itu?

A 16 J B 400 Nm C 1 600 J D 1 600 N

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23 Diagram 13 shows a cross section of the stem of a plant. Rajah 13 menunjukkkan keratan rentas batang sejenis tumbuhan.

P

State the function of structure P.

Diagram 13

Nyatakan fungsi bahagian P.

A B C D

Rajah 13

Enables the plant to float Membolehkan tumbuhan itu terapung Enables the plant to breathe Membolehkan tumbuhan itu bernafas Enables the plant to transport food Membolehkan tumbuhan itu mengangkut makanan Enables the plant to absorb minerals Membolehkan tumbuhan itu menyerap mineral

24 Diagram 14 shows three animals, R, S, and T. Rajah 14 menunjukkan tiga haiwan, R, S dan T.

S

R

T

Diagram 14 Rajah 14

What are the support systems for R, S and T? Apakah system sokongan untuk R, S dan T?

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A B C D

R Hydrostatic skeleton Rangka hidrostatik Endoskeleton Rangka dalam Exoskeleton Rangka luar Exoskeleton Rangka luar

S Endoskeleton Rangka dalam Exoskeleton Rangka luar Endoskeleton Rangka dalam Hydrostatic skeleton Rangka hidrostatik

T Exoskeleton Rangka luar Hydrostatic skeleton Rangka hidrostatik Hydrostatic skeleton Rangka hidrostatik Endoskeleton Rangka dalam

25 Diagram 15 shows a model which applies the concept of stability. Rajah 15 menunjukkan satu model yang menggunakan konsep kestabilan.

Diagram 15 Rajah 15

Carrot Karot

Wooden stick Batang kayu Potato Ubi kentang What should be done to make the model achieve the highest stability? Apakah yang perlu dilakukan untuk mencapai kestabilan maksima model ini? A B C D

Bend the wooden sticks Bengkokkan batang kayu Shorten the wooden sticks Pendekkan batang kayu Spread out the wooden sticks apart Kangkangkan batang kayu Shorten and spread out the wooden sticks Pendekkan dan kangkangkan batang kayu

26 Diagram 16 shows a wooden plank being used to lift a load. At which point, A, B, C or D, is the least effort needed to lift the load? Rajah 16 menunjukkan sekeping papan yang digunakan untuk mengangkut satu beban. Pada titik manakah, A, B, C atau D, daya yang paling kurang diperlukan untuk mengangkut beban?

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D C Load Beban

B A

Fulcrum Fulkrum Diagram 16 Rajah 16 27 What is the moment of force if a minimum force of 50 N is applied to pull the nail as shown in Diagram 17?

Berapakah momen daya jika daya minima sebanyak 50 N digunakan untuk menarik paku yang ditunjukkan dalam Rajah 17? Diagram 17 Rajah 17

A B C D

3 Nm 4 Nm 5 Nm 24 Nm

28 Diagram 18 shows a model of the human breathing mechanism. Rajah 18 menunjukkan sebuah model sistem pernafasan manusia. Diagram 18 Rajah 18

Glass tube Salur kaca Stopper Penutup Balloon Belon Bell jar Serkup kaca

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Rubber sheet Kepingan getah

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What causes the changes in the balloons as shown in Diagram 18? Apakah yang menyebabkan perubahan pada belon seperti yang ditunjukkan dalam Rajah 18? I Air pressure in the bell jar increases Tekanan udara di dalam serkup kaca bertambah II Air pressure in the bell jar decreases Tekanan udara di dalam serkup kaca bertambah III Volume of air in the bell jar increases Isipadu udara di dalam serkup kaca bertambah IV Volume of air in the bell jar decreases Isipadu udara di dalam serkup kaca berkurang A I and II only (I dan II sahaja) B I and IV only (I dan IV sahaja) C II and III only (II dan III sahaja) D II and IV only ( II dan IV) 29 Each atrium and ventricle of the heart is connected to a major blood vessel. Which of the following is connected to the right ventricle? etiap atrium dan ventrikel dalam jantung dihubungkan kepada satu salur darah utama. Antara berikut yang manakah dihubungkan kepada ventrikel kanan? A B C D

Aorta Aorta Vena cava Vena kava Pulmonary vein Vena pulmonari Pulmonary artery Arteri pulmonari

30 Diagram 19 shows a part of a stem of a plant where the phloem tissues that has been removed. How will it affect the plant? Rajah 19 menunjukkan sebahagian batang pokok di mana tisu floemnya telah dikeluarkan. Apakah kesannya kepada tumbuhan tersebut?

Diagram 19 Rajah 19

Water Air

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A

Water cannot be transported to the leaves Air tidak boleh diangkut ke daun B The plant cannot carry out transpiration Tumbuhan itu tidak boleh menjalankan transpirasi C Food cannot be transported to the roots Makanan tidak boleh diangkut ke akar D Minerals cannot be transported to the leaves Mineral tidak boleh diangkut ke daun

31 Which of the following shows the pathway of excretion of urine? Di antara berikut, yang manakah menunjukkan laluan perkumuhan air kencing?

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A

Kidney  Urethra  Urinary bladder  Ureter Ginjal  Uretra  Pundi kencing  Ureter

B

Kidney  Ureter  Urethra  Urinary bladder Ginjal  Ureter  Uretra  Pundi kencing

C

Kidney  Ureter  Urinary bladder  Urethra Ginjal  Ureter Pundi kencing  Uretra

D

Kidney  Urethra  Ureter  Urinary bladder Ginjal  Uretra  Ureter  Pundi kencing

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32 Which of the following organism and its method of asexual reproduction is matched correctly? Antara berikut yang manakah dipadankan dengan betul? Organism

Method of asexual reproduction

Organisma

Kaedah pembiakan aseks

A

Vegetative Reproduction Pembiakan vegetatif

B

Binary fission Belahan dedua

C Spore formation Pembentukan spora

D Budding Pertunasan

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33 Table 1 shows parts of a germinating seed and their functions. Jadual 1 menunjukkan bahagian-bahagian biji benih yang bercambah dengan fungsinya. Table 1

Part of a seed Bahagian biji benih S T U

Function Fungsi Forms roots Membentuk akar Forms leaves and stem Membentuk daun dan batang Supplies food Membekalkan makanan

What do S, T and U represent? Apakah yang diwakili S, T dan U?

A B C D

S Cotyledon Kotiledon Radicle Radikel Plumule Plumul Cotyledon Kotiledon

T Plumule Plumul Plumule Plumul Cotyledon Kotiledon Radicle Radikel

U Radicle Radikel Cotyledon Kotiledon Radicle Radikel Plumule Plumul

34 At stage M, the rate of human growth stops Pada peringkat M, kadar pertumbuhan mannusia berhenti

The information above describes a stage of human growth. What is stage M? Penerangan di atas menerangkan satu peringkat dalam pertumbuhan manusia. Apakah peringkat M? A B C D

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Old age (Tua) Childhood (Kanak-kanak) Adulthood (Dewasa) Adolescence (Remaja)

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35 Diagram 20 shows the limestone cycle. Rajah 20 menunjukkan kitar batukapur. Limestone Batu kapur

Diagram 20 Rajah 20

Quicklime Kapur tohor

Lime water Air kapur

Slaked lime Kapur mati

Which of the following statements explain Diagram 20 correctly? Antara pernyataan berikut, yang manakah menerangkan Rajah 20 dengan betul? A B C D

Quicklime reacts with water to form slaked lime Kapur tohor bertindak balas dengan air untuk membentuk kapur mati Slaked lime reacts with acid to form lime water Kapur mati bertindak balas dengan asid untuk membentuk air kapur Limestone reacts with water to form quicklime Batu kapur bertindak baas dengan air untuk membentuk kapur tohor Quicklime when strongly heated, decomposes into slaked lime Kapur tohor yang dipanaskan dengan kuat akan membentuk kapur mati

36 Diagram 21 shows an electric circuit. Rajah 21 menunjukkan satu litar elektrik.

Diagram 21 Rajah 21

A1 M1 A2

M2 A3 V 55/1

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Which statement explains the circuit correctly? Pernyataan yang manakah menerangkan tentang litar itu dengan betul? A

When bulb M1 burns out, the reading of voltmeter V increases Apabila mentol M1 terbakar, bacaan voltmeter V akan bertambah

B

Reading of ammeter A1 is the sum of ammeter readings A2 and A3 Bacaan ammeter A1 ialah jumlah bacaan ammeter A2 and A3

C

When bulb M2 burns out, reading of ammeter A3 increases Apabila mentol M2 terbakar, bacaan ammeter A3 bertambah

D

When bulb M2 burns out, bulb M1 will be dimmer Apabila mentol M2 terbakar, mentol M1 akan menjadi lebih malap

37 Diagram 22 shows the electrical energy transmission and distribution system. Rajah 22 menunjukkan penghantaran dan pengedaran tenaga elektrik. Q

R

P

S Diagram 22 Rajah 22

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55/1 Which of these is labelled correctly? Antara berikut, yang manakah dilabel dengan betul? A B C D

P Q R S

National Grid Network (Rangkaian Grid Nasional) Step-down transformer (Transformer injak-turn) Switch zone (Lapangan suis) Step-up transformer (Transformer injak-naik)

38 A 3 kW water heater is switched on 3 hours a day. How much is the cost if the water heater is used for 30 days? The charge of one unit of electrical energy is RM 0.30 Sebuah pemanas air yang berkuasa 3 kW dipasang selama 3 jam sehari. Berapakah kos penggunaan pemanas air ini apabila digunakan selama 30 hari? Kos satu unit tenaga elektrik ialah RM 0.30 A RM 2.70 B RM 9.00 C RM 27.00 D RM 81.00

39 When a star of similar size as the Sun dies, it will turn into Apabila bintang sebesar Matahari mati, ia akan bertukar menjadi

A

red giant

C

raksaksa merah B

black hole

neutron star bintang neutron

D

lohong hitam

white dwarf kerdil putih

40 The following statements concern developments in space technology. Pernyataan-pernyataan berikut adalah mengenai perkembangan dalam teknologi angkasa lepas. •

• •

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To predict the weather Untuk membuat ramalan cuaca To locate natural resources Untuk mengesan sumber semula jadi To help navigating ships Untuk memberi petunjuk arah kepada kapal

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Which technology helps to carry out these functions? Antara reknologi berikut, yang manakah membantu dalam melaksanakan tugastugas ini? A B C D

Probe Prob Telescope Teleskop Satellite Satelit Space shuttle Kapal angkasa ulang alik

END OF QUESTION PAPER KERTAS SOALAN TAMAT

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55/2 Science Paper 2 Masa: 1½ jam

NAMA MURID

ANGKA GILIRAN

PEPERIKSAAN PERCUBAAN PMR TAHUN 2009 SCIENCE Paper 2 Satu jam tiga puluh minit JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

Kod Pemeriksa 1. Tulis nama penuh dan angka giliran anda pada ruang yang disediakan.

Bahagian

Soalan

2. Kertas soalan ini adalah dalam Bahasa Inggeris dan Bahasa Melayu

3. Calon dikehendaki membaca maklumat di

Markah Markah Penuh Diperoleh

1

6

2

6

3

7

4

7

5

7

6

7

7

8

8

12

halaman 2.

A

B

JUMLAH Kertas soalan ini mengandungi 21 halaman bercetak @PKPSM Pahang

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55/2 INFORMATION FOR CANDIDATES MAKLUMAT UNTUK CALON

1. This question paper consist of two sections: Section A and Section B. Kertas soalan ini mengandungi dua bahagian : Bahagian A dan Bahagian B. 2. Answer all question in both sections. Jawab semua soalan dalam kedua-dua bahagian 3. Write your answers in the space provided in the question paper. Jawapan anda hendaklah ditulis pada ruang yang disediakan dalam kertas. 4. Show your working, it may help you to get marks. Tunjukkan kerja mengira, ini membantu anda mendapat markah. 5. If you wish to change your answer, neatly cross out the answer that you have done. Then write down the new answer. Jika anda hendak menukar jawapan, batalkan jawapan yang telah dibuat. Kemudian tulis jawapan yang baru. 6. The diagrams in the questions provided are not drawn to scale unless stated. Rajah yang mengiringi soalan tidak mengikut skala kecuali dinyatakan. 7. Marks allocated for each question or part question are shown in brackets. Markah yang diperuntukkan bagi setiap soalan atau ceraian soalan ditunjukkan dalam kurungan. 8. You may use a non-programmable scientific calculator. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogram 9. Hand in this question paper at the end of the examination. Serahkan kertas soalan ini kepada pengawas peperiksaan pada akhir peperiksaan.

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55/2 For Examiner’s Use

Part A Bahagian A [40 mark] [40 markah] Answer all questions Jawab semua soalan 1. Diagram 1 shows some measuring tools. Rajah 1 menunjukkan alat-alat penyukat. Q

P

R

Diagram 1 Rajah 1 (a) On Diagram 1, label P, Q and R with the following words. Pada Rajah 1, labelkan P, Q dan R dengan perkataan berikut.

Spring balance Neraca spring

Triple Beam balance Neraca tiga palang

1(a)

Measuring cylinder Silinder penyukat [3 marks]

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(b) Draw lines to show the correct match between the measuring tools and their uses. Lukis garisan untuk menunjukkan padanan yang betul antara alat penyukat dan penggunaannya. Draw the lines as shown below. Lukis garisan seperti yang ditunjukkan di bawah.

For Examiner’s Use

Uses Kegunaan

Measuring tools Alat menyukat

P

Measure the mass of an object Menyukat jisim objek

Q

Measure the volume of a liquid Menyukat isipadu cecair

Measure the diameter of an object Menyukat diameter objek

R

Measure the weight of an object Menyukat berat objek

1(b)

2

[ 2 marks]

(c) State one measuring tool that can be use to measure mass of an object other than above measuring tools. Nyatakan satu alat lain yang digunakan untuk menyukat jisim objek selain daripada alat yang dinyatakan di atas.

1(c)

1

………………………………………………………………………………….. [ 1 mark ] Total

6

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55/2 For Examiner’s Use

2. Diagram 2 shows the structure of the sun. Rajah 2 menunjukkan struktur matahari.

Diagra

Q Diagram 2 Rajah 2 (a)

On Diagram 2, label the structures of the Sun with the following words. Pada Diagram 2, labelkan struktur Matahari dengan menggunakan perkataan berikut.

Chromospheres Kromofera

Corona Korona

2(a)

2

Photosphere Fotosfera

[2 marks] (b)(i) Sunspot and prominences are two phenomena that occur on the surface of the sun. Name another phenomenon that occurs on the surface of the sun. Tompok hitam dan prominen ialah dua fenomena yang berlaku pada permukaan matahari. Namakan satu lagi fenomena yang berlaku pada permukaan matahari. ................................................................................................................ [1 mark] (ii)

State one effect of the phenomena that occurs on the surface of the sun to the Earth. Nyatakan satu kesan fenomena yang berlaku pada permukaan matahari terhadap Bumi. ................................................................................................................. [1 mark]

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2(b)(i)

1

2(b)(ii)

1

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Use 2(c)(i)

(c)(i) Name the part labelled Q. Namakan bahagian berlabel Q. …………………………………………………………………………………. [1 mark] (ii)

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What is the process that occurs at Q which gives out heat energy and light energy? Apakah proses yang berlaku di Q yang membebaskan tenaga haba dan tenaga cahaya? …………………………………………………………………………………. [1 mark]

1

2(c)(ii)

1

Total

6

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55/2 For Examiner’s Use

3. Diagram 3 shows a process that takes places in flower. Rajah 3 menunjukkan proses berlaku dalam bunga.

Diagram 3 Rajah 3 3(a) (a) Label the process that occur in J and K Labelkan proses yang berlaku di J dan K J

:

………………………………………………………………….

K

:

………………………………………………………………… [2 marks]

2

3(b)

(b) State one difference between process in J and K Nyatakan satu perbezaan antara proses J dan K …………………………………………………………………………………

1 ………………………………………………………………………………… [1 mark]

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55/2 For Examiner’s Use

Diagram 3.1 Rajah 3.1 Diagram 3.1 shows a process that takes places in a flower. Rajah 3.1 menunjukkan proses yang berlaku dalam bunga. (c) i. Name the process that occurs in the diagram 3.1 Namakan proses yang berlaku dalam rajah 3.1

3(c)(i)

1

………………………………………………………………………………. [1 mark ] ii. What will happen to the ovary after the process in (c )(i). Apakah akan berlaku kepada ovari selepas proses dalam (c )(i)

3(c)(ii)

…………………………………………………………………………………... [1 mark[

1

(d) State two methods how a farmer can produce a better quality fruits and seeds from his crops. Nyatakan dua kaedah yang boleh dilakukan oleh seorang petani yang mahu menghasilkan buah dan biji benih yang berkualiti. i. ii.

…………………………………………………………………………… . …………………………………………………………………………… [2 marks]

3(d)

2

Total

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4. Diagram 4 shows the result of an experiment to determine the composition of water. In this experiment, water is broken down to its elements using electricity. Rajah 4 menunjukkan keputusan satu eksperimen untuk menentukan komposisi air. Dalam eksperimen ini , air diuraikan kepada elemennya menggunakan elektrik. Test tube P Tabung uji P

For Examiner’s Use

Test tube Q Tabung uji Q

Water + Substance Z Air + Bahan Z Carbon rod X Rod karbon X

Carbon rod Y Rod karbon Y

4(a)

Diagram 4 Rajah 4 (a) What is the name of the process shown in diagram 4? Apakah nama proses yang ditunjukkan dalam rajah 4?

1

……………………………………………………………………….. [1mark ]

4(b)

(b) Which carbon rod functions as negative electrode? Rod carbon yang manakah berfungsi sebagai eletrod negative? 1

………………………………………………………………………. [ 1 mark]

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(c) When the circuit is closed , gases is collected in each test tube . What is the gas collected in test tube Q? Apabila litar ditutup, gas dikumpulkan dalam setiap tabung uji. Apakah gas yang dikumpul dalam tabung uji Q? ……………………………………………………………………………………… [1 mark] (d) State how to identify the gas collected in test tube Q? Nyatakan bagaimana untuk mengenalpasti gas yang dikumpul di Q?

For Examiner’s Use 4(c)

1 4(d)

…………………………………………………………………………………… [1 mark] (e)

If the gas collected in test tube P is 10 cm3 , calculate the volume of gas collected in test tube Q. Jika gas yang dikumpulkan dalam tabung uji P ialah 10 cm3 , kirakan isipadu gas yang dikumpul dalam tabung uji Q.

1

4(e)

2

4(f)

1 [2 marks ] (f)

State one uses of gas collected in test tube P. Nyatakan satu kegunaan gas yang dikumpul dalam tabung uji P. Total ……………………………………………………………………………………. [1 mark] 7 10

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5. Diagram 5 shows a substance P which is allowed to burn in a gas jar containing lime water. Rajah 5 menunjukkan Bahan P dibakar di dalam balang gas yang mengandungi air kapur.

For Examiner’s Use

Deflagrating spoon Sudu balang gas Air Udara Substance P Bahan P Lime water Air kapur 5(a)

Diagram 5 Rajah 5 (a) State one observation you could make after the flame goes out. Nyatakan satu pemerhatian yang boleh dibuat selepas nyalaan padam.

1

………………………………………………………………………………………… [1 mark] (b)(i) List the products of combustion if substance P is kerosene. Senaraikan hasil pembakaran jika bahan P ialah kerosene.

5(b)(i)

i. ……………………………………………………………………………... ii. ..……………………………………………………………………………..

2

[2 marks] (ii) Complete the word equation below if substance P is charcoal. Lengkapkan persamaan perkataan di bawah jika bahan P ialah arang.

+

+

Oxygen Oksigen

Heat energy + Light energy Tenaga haba + Tenaga cahaya

[2 marks]

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5(b)(ii)

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For Examiner’s Use 5(c)(i)

(c ) (i) What will happen to the lime water in the gas jar? Apakah yang akan berlaku terhadap air kapur dalam balang gas? ……………………………………………………………………………….… [1 mark]

1

5(c)(ii)

(ii) State one reason for your answer in (c)(i)? Nyatakan satu alasan bagi jawapan anda dalam (c )(i)? ……………………………………………………….………………………… [1 mark]

1

Total

7

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6. Diagram 6.1 shows the steps in testing for the presence of starch in a green leaf. Rajah 6.1 menunjukkan langkah-langkah untuk menguji kehadiran kanji dalam daun hijau. R

For Examiner’s Use

S

Jubin putih

T

U

Diagram 6.1 Rajah 6.1 a)(i)

Arrange the steps in correct sequence by filling the boxes with the letters R, S, T and U. Susunkan langkah-langkah dalam urutan yang betul dengan mengisi kotak dengan huruf R, S, T dan U.

6(a)(i)

1 [1 mark]

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55/2 Draw lines to match the steps with their purposes. Lukiskan garisan untuk padankan langkah-langkah dengan tujuannya.

R

S

For Examiner’s Use

To remove chlorophyll in the leaf Untuk menyingkir kanji dalam daun To kill the cells and break the cell walls Untuk membunuh sel dan memecahkan dinding sel

To test for the presence of starch Untuk menguji kehadiran kanji

6(a)(ii)

2

[2 marks] b) Diagram 6.2 shows a variegated leaf which has been in the sun for a few hours. Rajah 6.2 menunjukkan sehelai daun beraneka warna yang telah didedahkan kepada cahaya matahari selama beberapa jam.

6(b)(i)

1 Diagram 6.2 Rajah 6.2

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(i) Label P on Diagram 6.2 the part that will turn dark blue after step R has been conducted. Labelkan P pada Rajah 6.2 bahagian yang akan bertukar menjadi biru hitam setelah langkah R dijalankan. [1 mark] (ii)

What conclusion can be made after the solution Q is added onto the leaf. Apakah kesimpulan yang boleh dibuat apabila larutan Q ditambah kepada daun.

For Examiner’s Use

6(b)(ii)

1

………………………………………………………………………………. [1 mark]

(d) State two importance of photosynthesis. Nyatakan satu kepentingan fotosintesis.

6(d)

i. …………………………………………………………………………………… ii. ................................................................................................................... [2 marks]

2

Total

7

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55/2 For Examiner’s use

Part B Bahagian B [20 marks] [20 markah] Answer all questions. Jawab semua soalan. 7. Diagram 7 shows four types of plants. Rajah 7 menunjukkan empat jenis tumbuhan.

P

Q

R

S Diagram 7 Rajah 7

Observe the plants in Diagram 7. Based on the observations, Perhatikan tumbuhan dalam Rajah 7. Berdasarkan pemerhatian (a) State the type of support system for each of the plants. Nyatakan jenis sistem sokongan bagi setiap jenis tumbuhan.

7(a)

P:………………………………………………………………………… Q:………………………………………………………………………… R:……………………………………………………………………….... S:………………………………………………………………………… [4 marks]

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(b)

55/2

Classify the plants in Diagram 7 into two groups based on common characteristics. Kelaskan tumbuhan dalam Rajah 7 kepada dua kumpulan berdasarkan ciri sepunya.

For Examiner’s use

P, Q, R, S

Group 1

Group 2 Common Characteristics 7(b)

4 Letters of the plants

Total [4 marks] 8

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8. (a) The diagram 8.1 below shows some wet clothes hung on a line under different conditions. Rajah 8.1 di bawah menunjukkan beberapa pakaian yang basah di jemur di bawah keadaan yang berbeza.

Condition A Keadaan A

For Examiner’s use

Condition B Keadaan B

Diagram 8.1 Rajah 8.1 (i) Based on your observations in the diagram 8.1, state the difference in the time taken for the clothes to dry in Condition A and Condition B. Berdasarkan kepada pemerhatian dalam rajah 8.1, nyatakan perbezaan dalam masa yang diambil untuk pakaian itu kering dalam keadaan A dan keadaan B.

8(a)(i)

……………………………………………………………………………………… ……………………………………………………………………………………… [1 mark] (ii) What inference can be made based on Condition A and Condition B in the diagram above? Apakah inferen yang boleh dibuat berdasarkan keadaan A dan keadaan B dalam rajah di atas?

1

8(a)(ii)

……………………………………………………………………………………… ………………………………………………………………………………………………

[1 mark]

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1

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(iii) State one hypothesis based on your observations in the diagram above. Nyatakan satu hipotesis berdasarkan pemerhatian dalam rajah di atas. ……………………………………………………………………………………

For Examiner’s use 8(a)(iii)

……………………………………………………………………………………………

[1 mark] (b) A student carried out an experiment to investigate Condition A and Condition B. The diagram 8.2 shows an experiment to determine how the temperature of the surrounding affects the rate of evaporation. Seorang pelajar menjalankan satu eksperimen untuk menyiasat keadaan A dan keadaan B .Rajah 8.2 menunjukkan satu eksperimen untuk menentukan bagaimana suhu persekitaran mempengaruhi kadar penyejatan. Beginning Mula

End Akhir

11 12 1

11 12 1 3

10 9

2

4

8

10 9

2

8 7

6

5

7

6

Beginning Mula

End Akhir

11 12 1

11 12 1 2

3

10 9

4

8

4

2

3

10 9

4

8 7

5

Cobalt chloride paper with a drop of water Kertas kobalt klorida dengan titisan air

6

5

3 7

6

5

Cobalt chloride paper with a drop of water Kertas kobalt klorida dengan titisan air

Diagram 8.2 Rajah 8.2 Based on the diagram 8.2, record the time taken for the drop of water on the cobalt chloride paper to dry in the table below. Berdasarkan kepada rajah 8.2, rekodkan masa yang diambil untuk titisan air di atas kertas kobalt klorida untuk mengering.

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55/2 Condition Keadaan

Time taken for drop of water on the cobalt chloride paper to dry (min) Masa yang diambil untuk titisan air mongering di atas kertas kobalt klorida(min)

With heat source Dengan sumber haba

For Examiner’s use

8(b)

Without heat source Tanpa sumber haba 2 [2 marks]

Time taken for drop of water on the cobalt chloride paper to dry (min)

(c ) Based on the readings in the table above, draw a bar chart to show the time taken for the drop of water on the cobalt chloride paper to dry in different conditions. Berdasarkan kepada bacaan dalam jadual di atas, lukiskan carta bar untuk menunjukkan masa yang diambil untuk titisan air pada kertas kobalt klorida mengering dalam keadaan yang berbeza.

8(c )

2 With heat source

Without heat source

Condition

[2 marks]

(d) Based on the bar chart in (c), what can be said about the time taken for the drop of water on the cobalt chloride paper to dry? Berdasarkan kepada carta bar di (c ), apakah yang boleh dinyatakan tentang masa yang diambil oleh air untuk mengering di atas kertas kobalt klorida.

8(d)

…………………………………………………………………………………………………. ………………………………………………………………………………………………….

[1 mark]

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(e) Based on the experiment, state the relationship between the temperature of the surrounding and the rate of evaporation. Berdasarkan kepada eksperimen, nyatakan hubungan diantara suhu persekitaran dengan kadar penyejatan.

8(e)

……………………………………………………………………………………… ……………………………………………………………………………………… [1 mark]

1

(f) State the variables involved in this experiment. Nyatakan pembolehubah yang terlibat dalam eksperimen ini.

Manipulated variable Pembolehubah dimanipulasi

Responding variable Pembolehubah bergerak balas

8(f)

Constant variable Pembolehubah tetap

3

[3 marks] END OF QUESTION PAPER KERTAS SOALAN TAMAT Total

12

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TRIAL PMR 2009 MARKING SCHEME (SKEMA JAWAPAN) PAPER 1

1

A

11

C

21

B

31

C

2

C

12

A

22

C

32

A

3

A

13

D

23

A

33

B

4

B

14

A

24

D

34

C

5

D

15

B

25

D

35

A

6

B

16

C

26

D

36

B

7

D

17

A

27

A

37

C

8

B

18

A

28

B

38

D

9

C

19

A

29

B

39

D

10

B

20

A

30

C

40

C

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ANSWER SCHEME SCIENCE PAPER 2 TRIAL 2009 NO 1

RUBRIC (a) P – Measuring cylinder Q – Triple beam balance R – Spring balance (b) Q – Measure the mass of an object R – Measure the weight of an object (c ) Lever balance// electronic balance

MARKS 3x 1m = 3 2x 1m = 2 1m Total = 6 m

2

(a) Photosphere 2x 1m = 2 Chromosphere

Q

(b)(i) Solar flare (ii) Disrupts radio wave// Changing the climate

1m 1m

(c ) (i) Core (ii) Nuclear fusion

1m 1m Total = 6 m

3

(a) J : Self pollination K : Cross pollination (b) J Produce fruits/seeds which is same as parent plant while K produce a variety of fruits and seeds// K produce better plants than J// K produce plants that withstand against diseases better than J// Any suitable answer (c )(i) Fertilisation

1x 2m = 2 1m

1m (ii) Develop into fruit 1m (d) i. Vegetative reproduction ii. Stem cutting // tissue culture// cloning

2 x 1m = 2

Total = 7

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4

(a) Water Electrolysis

1m

(b) Carbon rod Y

1m

(c ) Hydrogen gas

1m

(d) Use burning wooden splinter, produce ‘pop’ sound

1m

(e) Q/ P = ?/10 2/1 = ?/10 ? = 2/1 x 10 = 20 cm

1 m ( method) 1m ( answer ) 1m

(f) For respiration// combustion 5

(a) Lime water turns cloudy// water vapour form on the wall of gas jar (b)(i) i. Heat/ light energy ii. carbon dioxyde iii. water vapour (any two)

2 x 1m = 2

(b)(ii) charcoal + oxygen  carbon dioxyde + energy

2 x 1m = 2

(c )(i) turns cloudy/milky (ii) Carbon dioxide is released during combustion

6

Total = 7 1m

(a)(i) T, S, U, R (ii) R – to test for the presence of starch S – to remove chlorophyll in the leaf (b)(i) Students labeled green part of the leaf with P (ii) Starch is present in green leaf by photosynthesis// Photosynthesis produced starch in green leaf (d)i. Produced food to the plants ii. Release oxygen to the air/surrounding iii. Maintain the balance of oxygen and carbon dioxide in the air

1m 1m Total = 7 1m 2 x 1m = 2 1m

2x1m=2 Total = 7

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7.

(a) P : Butress root Q : Stilt root R : Clasping root S : Thorn (b)

4 x 1m = 4

P, Q, R, S

Group 1 Has buttress root// Has stilt root// With tendrils (Any suitable answer)

P (According to classification)

8

Common Characterist ics

Group 2 Not has buttress root// Not has stilt root// Without tendrils

2 x 1m = 2

Q, R, S Letters of the plants

(a)(i) The clothes in Condition A dry faster than in Condition B (ii) Time taken for the clothes to dry depends on present of sunlight/ surrounding temperature (iii) The higher the temperature, the faster the cloth dry// As the temperature high, the cloth dry faster.

2x1m=2

Total = 8 1m 1m 1m

(b) Condition With heat source Without heat source (c )

Time taken for drop of water to dry(min) 10 25

2 x 1m = 2

Time taken for drop of water on the cobalt chloride paper to dry (min)

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25 20 15 10 05

With heat source

Without heat source

Condition

(d) Drop of water on cobalt chloride paper with heat source dry faster compare to without heat source// Vice versa (e) The higher the temperature of surrounding the higher the rate of evaporation (f) Manipulated V – Present of heat source// lamp Responding V – Time taken for the (cobalt chloride) paper to dry Constant V – Size of cobalt chloride paper// Number of drop of water/ Volume of water drops

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