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8/3/2019 Question ( Complete )

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SJK(T) MAHAJOTHI

SCIENCE

YEAR 4

TOPICAL TEST (Investigating Materials)

Name: .......................................................

Class: ........................... Date: .

1. Diagram 1 shows a mirror and marble.

Diagram 1

Which of the following is used to make these objects?

A. Metal C. Rubber

B. Glass D. Wood

2. Which of the following can be recycled?

A. C.

B. D.

3. Which of the objects below are made up of leather?

A. C.

B. D.

Mirror Marble


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4. The box below shows some examples of natural materials and man-made materials.(pengetahuan)

Which of these are examples of natural materials?

A. Wood, plastic, tyres, bottles C. Plastic, nylon, paper, tyres

B. Wood, fur, soil, petroleum D. Soil, petroleum, fur, tyres

5. Which of the following shows a transparent material?

A. C.

B. D.

6. Diagram below shows the structure of a thermo flask.

Which of these parts labeled I, II, III, and IV are insulators of heat that can help the

water in the flask remain warm?

Wood, plastic, nylon, fur, soil, paper,petroleum, tyres, bottles


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I. Cork II. Vacuum

III. Silver-coated glass container IV. Metal case

A. I and II only C. I, II and III only

B. III and IV only D. I, II, III and IV

7. Diagram 2 shows some examples of materials.

The materials are from

A. Rusting materials C. Conservation materialsB. Natural materials D. Re- cycle materials

8. Diagram 3 shows object W that sinks in water.

Object W may be made up of

I. metal III. rubber

II. wood IV. Plastic

A. I and II C. I and III

B. III and IV D. I, II and IV only

Diagram 2

water

Object W

Diagram 3


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Can be stretched

9. Table 1 shows properties of object R.

A. Wood C. rubber

B. Glass D. Metal

10.The diagram below shows nails are put in four test tubes.

Which test tubes have nails that are exposed to water and air?

A. P and S C. Q and RB. R and S D. Q, R and S

11.The diagram shows the paper clips being immersed in water.

The glass left under the sun for few days. The water in the glass turned brownish.This is because

A. The water reacted with sunlight.

Object R

Table 1


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Box onlyP

Coconut huskQ

PolysterineR

IceBasin

Aluminium foil

Ice

B. The water reacted with paper clips.

C. The water and the paper clips reacted with paper clips.

D. The paper clips reacted with sunlight.

12.What is the advantage of preventing rusting?

A. The objects will last longer.

B. The objects become cheaper.

C. The objects will not be safe to use.

D. The objects will become brittle.

13.The following materials are best to prevent ice from melting, except

A. Polysterine box C. Vacuum box

B. Flask D. Tin

14.Which of the objects below is the best choice to keep a box of ice-cream for 15

minutes without melting?

A. P only C. Q, and P

B. R only D. P, Q and R

15.Which of the following is the best way to prevent ice from melting quickly?

A. C.


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Ice

Plastic bag

Sawdust

Ice

B. D.

16.The diagram below shows a sun glass that Azman uses when he goes to beach on

sunny day.

Which of the following is the property of sun glass?

A. Good conductor of heat

B. Allows some of the light to pass through

C. Can absorb heat

D. Transparent

17.Diagram 5 shows a circuit.

Which of the following material can be used as P so that the bulb will light up?

I. Plastic spoon III. Metal fork

II. Chopstick (wood) IV. Steel gauze

A. I and III only C. III and IV only

B. II and IV only D. I, II, III only

Diagram 5

P

Diagram 5


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I

II

III

IV

Fence Hanger Saw

18.Which of the following pairs are correct?

Waste material New object after use

Tin Food container

Plastic bag Rubbish bag

Glass Vase

Tyre Flower pots

A. I and II only C. I, II and IV only

B. II and IV only D. I, II, III and IV

19.Diagram below shows some objects made from metal.

What are the best way to prevent these objects from rusting?

I. Hanger Coating it with tin

II. Fence Painting its surface

III. Saw Spreading grease in it

A. I and II only C. II and III only

B. I and III only D. I, II and III

20.The diagram shows a rusty gate.


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What are the advantages of a gate becoming rusty?

I. The gate can be broken easily

II. The gate looks old.

III. Must repair the gate and waste the time.

IV. The surface become smooth.

A. I and II C. II, III, and IV only

B. I, II and III only D. I, II, III and IV

21.Which of the following can be done to avoid objects from becoming rusty?

A. Keep in cold water C. Keep in a box

B. Plate with stainless steel D. Keep safely under the sunlight

22.Ms. Santhia wants to bring hot tea for a picnic. How an she prevent it from getting

cold?

A. Keep the hot tea in a glass bottle

B. Keep the hot tea in a flask

C. Keep the hot water in a plastic bag.D. Keep the hot tea in a tin.

23.The following objects are immersed in the water for four days.

Needle Newspaper

Needle

Staples Mug


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Material X

Which of the objects will turn rusty ?

A. Needle and mug C. Staples and newspaper

B. Needles and staples D. Mug and newspaper

24.Diagram 4 shows an experiment.

We cant see the girls hand behind the material X. Material X may be refers to

I. Plywood II. Glass III. Stone

A. I only C. II and III

B. I and III D. I, II, III

25.The diagram below shows that four nails are put into different test tubes.

A. C.

B. D.

The nail in which test tube will rust?

A. I and III only C. III and IV only

B. II and III only D. II, III, and IV only

Diagram 4


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26.The diagram below shows four different ways of keeping hot water in a tube.

S. U.

T. V.

Which of these above will have the highest temperature after 5 minutes?

A. S C. U

B. T D. V

27.A group of students carry out an activity as shown in diagram. An amount of hot

water is poured into beakers P, Q, R, and S. The beakers are left for 15 minutes.

After 15 minutes, water in which beaker will have the lowest temperature reading?

A. P C. Q

B. R D. S

28.Sangetha pours some hot coffee into three different cups as shown below.


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Hinges

Cotton Tissue paper Aluminiumfoil

Arrange the cups above in decreasing order of hotness after 15 minutes.

A. P,R,Q C. Q,P,R

B. Q,R,P D. R,Q,P

29.The diagram shows an iron gate with hinges.

It is difficult to close and open the gate. What should be done to the hinges?

A. They should be oiled.

B. They should be painted.

C. They should be washed.

D. They should be rubbed.

30.The diagram below shows an experiment.

The hot drinks were left for 15 minutes . Which of the following order is properly

arranged for keeping the heat?

A. R Q P C. Q P R

B. R P Q D. Q R P


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