INVESTIGATING MATERIALS

YEAR 4

Section ABahagian A

[30 marks] [30 markah]

Answer all questions.Jawab semua soalan

Every questions is followed by four options A, B, C and D. Tiap-tiap soalan diikuti oleh empat pilihan jawapan iaitu A, B, C dan D.

Choose the correct answer. Pilih jawapan yang betul.

The suggested time for this section is 45 minutes. If you unable to answer a question, proceed to the next question. Masa yang dicadangkan untuk bahagian ini ialah 45 minit. Sekiranya kamu tidak dapat menjawab sesuatu soalan, teruskan menjawab soalan berikutnya.

1. The diagram shows two objects.

Mirror Glass bottle

What source of natural materials can produce the objects shown above ?

A rocksB glassC PlantsD animals

2. Which of the following is a synthetic material?

A silkB metalC leatherD plastic

3. The information shows two groups of objects.

Based on the classification of objects shown, which of the following materials are correctly grouped into Group T and Group U?

T UA metal bar iron keyB silver pendant nylon skirtC knife silk scarfD tyre vase

4. The diagram shows the objects that can be made from materials obtained from animals.

Which object is an example of R?

A Rayon shirtB Cotton shirtC Silk skirtD Ceramic vase

5. Which of the following is an example of synthetic materials?

A IronB Rayon C FurD Silk

6. Which of the following materials can be classified into the same group?

I CottonII WoodIII FurIV Silk

A I, II onlyB II and III onlyC I and III onlyD II and IV only

7. The information shows four objects.

The objects in the diagram has one common characteristic which is …

A they are made from materials originating from animals

B they are made from materials originating from plants

C they are made from materials originating from nature

D they are processed by man

8. The diagram shows objects, K, L, M and N, in a container filled with water.

K L

M

N

Which of the following shows the arrangement of objects in the order of increasing buoyancy?

A N, M, L, KB N, L, M, KC K, L, M, ND M, N, K, L

9. A shiny object is the one that

A is float in waterB is able to absorb waterC shines after being rubbedD returns to its original shape after

being pressed by a force

10. The diagram shows the amount of water absorbed by three types of paper K, L and M.

K L M

Type of

paper

Amount of

water absorbed

What represent K, L and M?

K L MA tissue

papernewspaper oil paper

B newspaper tissue paper oil paperC tissue

paperoil paper newspaper

D oil paper tissue paper newspaper

11. The diagram shows a photo album with a plastic front cover.

Which characteristic best describes the plastic cover?

A shiningB does not absorb waterC elasticD transparent

12. In the diagram, cone R, S and T are made of newspaper, filter paper and tissue paper.

Cone R Cone S Cone T

The same amount of water is poured slowly into the three cones. Which materials are suitable to be used to make sponge and rain coat?

Rain coat SpongeA T RB R SC S TD R T

13. The diagram shows a pot that keeps food warm for some time.

W

X

What materials are suitable to be used to make part W and part X?

W XA glass cardboardB cork rubberC cork metalD fiberglass glass

14. The diagram shows two objects.

Basket ball Plastic rope

What characteristic do the objects have in common? Both ….

A absorb waterB are elasticC are air tightD are float

15. Which of the following objects will change shape when a force is exerted on them?

I spongeII rubber toyIII steel canIV plastic bottle

A I, II and III onlyB I, II and IV onlyC I, III and IV onlyD I, II, III and IV

16. Plastic is a synthetic material that has many uses. What are the characteristics of plastic?

I easily brokenII lightIII easily moulded IV a good insulatorA I, II and III onlyB I, II and IV onlyC I, III and IV onlyD II, III and IV only

17. Which of the following are special physical properties of synthetic plastics used for the fabrication of useful objects?

I elasticII floating abilityIII waterproofIV good insulator

A I, II and III onlyB I, II and IV onlyC I, III and IV onlyD II, III and IV only

18. Why are metals like gold and silver usually being used to make jewellery?

I hardII shinyIII can be polishedIV floating ability

A I, II and III onlyB I, II and IV onlyC I, III and IV onlyD II, III and IV only

19. The table shows the physical properties of materials R and S.

Object R Sable to absorb water xgood insulator xelastic x xsoft x

Which of the following object is made from material R?

I cotton T-shirtII towelIII spongeIV shoesA I, II and III onlyB I, II and IV onlyC I, III and IV onlyD II, III and IV only

20. The diagram shows three objects.

What characteristic do objects shown have in common? All the objects ….

A are elasticB are good conductors of electricityC have floating abilityD absorb water easily

21. The information shows object that can made from either plastic or rubber.

What is Y?

A rubber bandB newspaperC rain coatD bottle

22. Material U is used to make clothes like T-shirt and pants. Which are physical properties of U ?

I ElasticII SoftIII WaterproofIV Easily stretchA I, II and III onlyB I, II and IV onlyC I, III and IV onlyD II, III and IV only

23. The diagram shows a Venn diagram.

Which characteristics are common of plastic and rubber?

I elasticII easily stretchedIII softIV waterproofA I, II and III onlyB I, II and IV onlyC I, III and IV onlyD II, III and IV only

24. M and N shown in the diagram are parts of a cooking utensil.

M

N

What is the characteristics materials M and N?

M NA light heavyB hard softC good heat

insulatorelastic

D good heat conductor

good heat insulator

25. Which of the following objects is incorrectly matched with the materials they are made of?

Material ObjectA plastic newspaperB rubber tyreC cotton clothesD gold jewellry

26. The information show W, Y and Z represent the properties of two objects.

Which property matches that with the sponge and the rain coat ?

Rain coat SpongeA Y ZB Y WC W YD Z W

27. The diagram shows a throphy.

What is the physical property of the material used to make the trophy?

A elasticB floatC shiningD opaque

28. Which of the following statements explains the meaning of 'shine' in an object?

A Float on the water surfaceB Becomes shiny after being polishedC Painted with a shiny colourD Becomes shiny after heating with a

luminous flame

29. The information shows four groups of objects.

Cotton cloth belongs to group...

A RB SC TD U

30. The diagram states four objects

Which objects are water proof?

A W and XB W and ZC X and YD Y and Z