set soalan sains klang 2009

7/30/2019 Set Soalan SainS KLANG 2009

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SULIT

Section A

[30 marks]

Answerallquestions.

The time suggested for this section is 45 minutes.

If you are unable to answer any question, proceed to the next question.

1 Diagram 1 shows a basic need of humans.

Diagram 1

What is this basic need?A AirB FoodC WaterD Shelter

2. Diagram 2 shows the classification of animals according to theway they breathe.

Diagram 2Which animals can be classified in Group P and Group Q?

Group P Group Q

A Earthworm Prawn

B Caterpillar Duck

C Praying mantis Lizard

D Grasshopper Tadpole

3. Diagram 3 shows a rhinoceros.

018 2009 PPD Klang SULIT

Group PGroup Q

Cockroach Fish

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Animals


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Diagram 3Which of the following ways does the animal protect itself fromhot weather?A Has sharp horns

B Bury itself in the sand

C Wallowing in the mud

D Sit under shady trees

4. Diagram 4 shows the different growth stages ofmicroorganisms on a piece of bread.

P Q RS

Diagram 4

Which of the following shows the correct order of the growthstages?A Q S R P

B P R S Q

C S Q P R

D R P Q S

5. P, Q, R, and S in Diagram 5 are living things involved in a foodchain.


4

P Q

R

P S

P


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Diagram 5Which of the following represents the correct pyramid ofnumbers for this food chain?A B

C D

6. Diagram 6 shows two species of animals.

Diagram 6

Which of the following statements about the above animals is true?

A They fight their enemies together.

B They hunt for food together.


5

R

SSR

S

PS

QS

S

PR

S

QP

S

RQ

S

P

SQ

R

S

S

PS

R

QS

Q

S

S

R

PS

P

QS


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C They compete for food.

D They live in groups.

7. Diagram 7 shows three pots of plants.

Diagram 7

Which of the following explains the observations above?

A The plants in pot Z have less competition for space andmineral salts.

B The plants in pot Y have less competition for space andmineral salts.

C The plant in pot X has the most competition for spaceand mineral salts.

D The plants in pot Z have the most competition for spaceand mineral salts.

8. Diagram 8 shows the situation in an area where logging has taken place.

Diagram 8

Which of the following are the effects of the activity if it is not controlled?


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X Y Z

Pots Observation after one week

X The plant is tall and has many leaves.

Y The plants are not very tall and have less leaves.

Z The plants did not grow and look stunted.


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I Extinction of animals

II Air pollution

III Soil erosion

A I and II only

B I and III only

C II and III only

D I, II and III

9. Diagram 9 shows a method of finding the volume of irregularshaped objects.

Diagram 9Which of the following is/are the correct statement based on Diagram 9?

I Volume of stone and scissors are 90 ml.

II Volume of water increases by 30 ml.

III Volume of scissors is 30 ml.

A I only

B III only

C I and II only

D II and III only

10 The temperature of a substance is the


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water

stone

scissors

90 ml

60 ml


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A amount of heat in the substance.

B degree of hotness or coldness of the substance.

C amount of matter in the substance.

D amount of energy in the substance.

11 Diagram 10 shows a torch.

Diagram 10

Which of the following is the symbol for the part labelled X?

A

B

C

D

12. Riduan classified several activities into two groups as shown in Table 1.

X Y

Throwing a spear

Cycling

Tug of war

Raising a flag

Table 1

Which of the following types of forces are used to classify the activities?

X Y

A Push Pull

B Pull Squeeze

C Pull PushD Squeeze Push

13. A feather drops to the ground from the height of 100 cm. The feather takes 5seconds to reach the ground.

What is the speed of the feather?


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X


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Metal cup Plastic cup

Paper cup

Porcelain cup

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A 10 cm/s

B 15 cm/s

C 20 cm/s

D 25 cm/s

14. Which of the following objects floats in water?

A B

C D

15. 100 mlof water at a temperature of 60C are poured into four different cups

as shown below. The hot water in which cup will show the biggest drop in

temperature after 5 minutes?

A B

C D

16. Which of the following shows the correct states of matter?

Solid Liquid Gas

A Ice Mineral water Vapour


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B Jelly Dew Snow

C Ice cream Rainbow Cloud

D Dew Ice Smoke

17 The diagram below shows the changes of state of water.

X Y

Liquid Gas Liquid

What are processes X and Y?

X Y

A Evaporation Condensation

B Boiling Melting

C Freezing Boiling

D Boiling Freezing

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Diagram 11

Which of the following preservation processes is best described byDiagram 11?

A Bottling C Pickling

B Canning D Pasteurisation

19. Diagram 12 shows some methods of food preservation.


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Food is cooked

Can is labelled

Air is eliminated

Can is heated in steam Can is tightly sealed


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Diagram 12

Seafood such as fish and cuttlefish that arepreserved through the processes shown in

Diagram 12 can last for a long time because.

A all the bacteria are destroyed

B all the bacteria have dried up

C bacteria cannot live in warm conditions

D bacteria cannot survive or reproduce in dry conditions

20. The information below shows four planets in the Solar System.

P - Saturn

Q - EarthR - Pluto

S - Jupiter

Arrange the planets in the correct order, starting with the one furthest away

from the Sun.

A P Q S RB Q R P S

C R P S Q

D S Q P R

21. Aiman carries out an activity to compare the sizes of theMoon, Earth and Sun. He uses a sago seed to represent theMoon and a marble to represent the Earth. Which of thefollowing objects can he use to represent the Sun?

A An orange B A basket ball

C A papaya seed D A ping pong ball


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Smoke

Fish


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22. Which of the following has the same shape as the Big Dipper?

A B

C D

23 Diagram 13 shows the shadow of a boy who is standing with the Sun

shining on his back.

Diagram 13

Based on the length of the shadow formed, the time should be around...


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A 1.00 p.m.

B 12.00 noon

C 11.00 a.m.

D 8. 00 a.m.

24. Diagram 14 shows several positions of the Moon during an Eclipse of theMoon.

Diagram 14Which of the following is true?

P Q R

A Partial eclipse Total eclipse No eclipse

B Partial eclipse No eclipse Total eclipse

C No eclipse Partial eclipse Total eclipse

D No eclipse Total eclipse Partial eclipse

25.

* The Moon blocks sunlight during an Eclipse of the Sun.

* The Moons shadow falls on part of the Earths surface during an

Eclipse of the Sun.

Which of the following cause the above to happen during an Eclipse of theSun?

I Sunlight travels in straight lines.

II The Moon is an opaque object.

III The Moon lies between the Sun and the Earth.

IV The Sun, the Moon and the Earth lie in a straight line.

A I and III only


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B II and IV only

C I, III and IV only

D I, II, III and IV

26. The information below shows the characteristics of somedevices.

* They are communication devices.* They can entertain listeners.* They give information.

Which of the following devices have these characteristics?

I Calculator

II Cellphone

III Computer

A I and II only

B I and III only

C II and III only

D I, II and III

27. Which of the following shapes is the least stable?A B

C D


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S


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28. Diagram 15 shows three vehicles.

Diagram 15

Which of the following shows the correct arrangement of the vehicles inincreasing order of stability?A T, S, R

B R, S, T

C R, T, S

D T, S, R

29. Diagram 16 shows the positions of the load, fulcrum and force in a lever.


15

load

fulcrum

force

S

R

T

S

R

T

R

R

T


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Diagram 16

Which of the following belongs to the same group as the lever shown in

Diagram 16?A B

C D

30 Diagram 17 shows the use of a simple machine.

Diagram 17

Which of the following activities involves the use of the principle of a simplemachine which is the same as the one shown above?

A Pushing a wheelbarrow

B Sharpening a pencil

C Climbing stairs


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After 2 hours

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D Raising a flag

END OF SECTION A

Section B

[20 marks]

The time suggested for this section is 30 minutes.

If you are unable to answer a question, proceed to the next questions.

Answerall questions.

Write your answers in the spaces provided.

1. Diagram 1 shows one experiment. A mouse was put inside a glass

container . After two hours the mouse in the glass container was found

dead.

Food Food

Diagram 1(a) What can be observed from the experiment?

[1 mark](b) Give a reason (inference) from your observation?

.

[1mark]

(c) Predict the time taken for the mouse to die if one more mouse is addedinto the glass container?

[1 mark](d) What conclusion can be made from this investigation ?


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Water

Water

Alive Dead

Glass container


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[1 mark]2 The graph below shows the population of Orang Utan in Sepiluk, Sarawak

from 1980 to 2000 .

Number

of Orang Utan

250

200

150

100

Year

1980 1985 1990 1995 2000

(a) What is the trend in the number of Orang Utan?

[1 mark]

(b) What is the aim of the investigation?

[1 mark]

(c) Predict the number of Orang Utan in the year 2005.

[1 mark]

(d) State two information given in the graph.

i.

ii

[2 marks]


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3. Table 1 below shows the result of an experiment about chemical properties

of substances for three solutions X, Y and Z..Blue Red Blue Red Blue Red

litmus paper litmus paper litmus paper litmus paper litmus paper litmus paper

X Y Z

Table 1

(a) What is the aim of this investigation?

[1 mark](b) What can you observe about the litmus paper when it is soaked with

substance X?

[1 mark](c) Give a reason based on your answer in (b).

[1 mark]

(d) State the variables based on the above investigation.

(i) What is changed ?

(ii) What is measured? [2 marks]

(e) Make a conclusion based on the above investigation.


Substance X Y Z

Blue litmus paper Change red Change blue Change blue

Red litmus paper Change red Change red Change blue

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[1 mark]

4. The bar chart shows the amount electrical energy consumed in a housing

area for 12 hours on a working day.Electric energy consumed

12am 2pm 4pm 6pm 8pm 10pm12 pm

(a) What is the pattern of the electrical energy consumed from 12 am to

12 pm?

[1 mark](b) Write one observation about electrical energy consumed from 6 pm to

12 pm.

[1 mark]

(c) Based on the bar chart above, state what is changed?

...

[1 mark]

(d) Predict the amount of electrical energy consumed in the same housingare on weekend ?

.......................................................................................................................

.

[1 mark](e) State a suitable reason for your answer in (b).

.

[1 mark]


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Time


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Answer Scheme SET 2Section A1 B 11 A 21 B

2 D 12 A 22 D

3 A 13 C 23 D

4 C 14 C 24 C

5 B 15 A 25 D

6 C 16 A 26 C

7 D 17 A 27 D

8 B 18 B 28 B

9 D 19 D 29 A

10 B 20 C 30 C

SECTION B (20 marks)

1 a) Mouse died after 2 hours

Tikus mati selepas 2 jam (1/0 mark)

b) No air / No oxygen / Mouse cannot breathe

Tiada udara / Tiada oksigen / Tikus tidak boleh bernafas

(1/0 mark)

c) 1 hour / Less than 2 hours

1 jam / Kurang daripada 2 jam (1/0mark)

d) Mouse / Animal need air to live.Tikus / Haiwan memerlukan udara untuk hidup. (1/0

mark )

(4 MARKS)

2 a) Decrease and increase Menurun dan menaik / Berkurang dan bertambah (1/0 mark)

b) To investigate the relationship between the year and the number of Orang Utan. Menyiasat hubungan antara tahun dan bilangan Orang Utan. (1/0 mark)

c) More than 350 / 350 400 / Less than 400/ Any number between 350-400


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Lebih daripada 350 / 350-400 / Kurang daripada 400 / Mana mana nombor

antara 350 hingga 400 ( 1/0mark )

d) i. Year / Tahun ( 1/0 mark)

ii. Number of Orang Utan (1/0 mark )

(5 MARKS)

3 a) To investigate the relationship between the types of substance and the

chemical properties of the substance.

Menyiasat hubungan antara jenis bahan dan sifat kimia bahan. (1/0 mark)

b) Blue litmus paper changed red / No change when tested with red litmus

paper

Kertas litmus biru bertukar merah / Tiada perubahan bila diuji dengan kertas

litmus merah. (1/0 mark)

c) Substance X is an acidicBahan X adalah berasid (1/0 mark)

d) i. Types of substance / Jenis bahan (1/0 mark)ii. Chemical properties of the substance / Sifat kimia bahan (1/0 mark)

e) X is an acid substance, Z is an alkali substance and Y is neutral substance.

X adalah bahan asid, Z adalah bahan alkali dan Y adalah bahan neutral( 1/0 mark)

(6 MARKS)

4 a) Decrease, constant, increase , constant, decrease, constant

Menurun, sekata, menaik, sekata menurun dan sekata (1/0 mark)

b) The electrical energy consumed at 6 pm to 8 pm is higher than the energy

consumer at 10 pm to 12am.

Tenaga elektrik digunakan di antara pukul 6 petang hingga 8 malam lebih tinggidaripada tenaga elektrik yang digunakan antara pukul 10 malam hingga 12

tengah malam. (1/0 mark)

c) Increase / Energy used more than working day

Meningkat / Tenaga digunakan melebihi daripada hari bekerja

(1/0 mark)

d) Time used for any electrical appliance such as iron, air condition, tv. etc

( example: Time used to iron clothes )

Masa penggunaan sebarang alatan elektrik seperti seterika,penghawa


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dingin,tv, dll ( Contoh: Masa menggosok baju) (1/0 mark)

e) More housework done using electrical appliance on week day Lebih banyak kerja rumah menggunakan alatan elektrik di hujung minggu

(1/0 mark)

(5 MARKS)

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set soalan sains klang 2009

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