Key Stage 3 (KS3) · Science

Materials: Practice Questions

5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Materials.

10 questions21 marksFree, no account

Question 1

1 mark

Which of the following materials is most likely to be attracted by a magnet?

Question 2

1 mark

When comparing the density of four different solid cubes of the same volume, a student finds the following masses:
Cube A: 10 g
Cube B: 25 g
Cube C: 5 g
Cube D: 50 g
Which cube is made of the densest material?

Question 3

1 mark

What is the main reason why copper is commonly used for making electrical wires in household appliances?

Question 4

1 mark

Which of the following materials is typically the best thermal insulator, making it suitable for keeping beverages hot in a thermos flask?

Question 5

1 mark

A material is described as being able to be hammered into thin sheets without breaking. Which physical property is being described?

Question 6

2 marks

State one advantage of using aluminum instead of iron to manufacture soda cans.

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Question 7

3 marks

Explain why composites, such as fiberglass, are often preferred over pure polymers or pure ceramics in the construction of boat hulls.

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Question 8

2 marks

Why are ceramics commonly used to make coffee mugs instead of materials like metals or plastics?

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Question 9

4 marks

A manufacturer wants to design a new disposable water bottle.
(a) State two properties of plastics that make them a popular choice for making water bottles.
(b) Briefly explain one environmental problem caused by the disposal of plastic bottles.

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Question 10

5 marks

An experiment was conducted to compare the hardness of three materials: A, B, and C. Material A can scratch B, but cannot scratch C. Material C can scratch both A and B.
(a) Arrange the materials in order of increasing hardness.
(b) Describe how a scientist would perform a scratch test to determine the relative hardness of two solid materials.

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