Cambridge IGCSE Combined Science practice

Paper 3 structured question: Uses of metals

Try the question first, then check the answer and practise the same topic again.

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Paper

Marks

Topic

Uses of metals

Exam-style question

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Paper 3Theory (Core)4 marks

Understanding the applications of metals based on their properties is essential in science.

Description

Aluminium is used in aircraft and power lines. Copper is used in electrical wiring.

a
Discuss the advantages of using copper over aluminium in electrical wiring.
Your answer
Aim for approximately 4 distinct marking points.
[4]

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Paper 3Theory (Core)3 marks

Description

Aluminium is lightweight, corrosion-resistant, and a good conductor of electricity. Copper is known for its superior electrical conductivity.

a
Explain how the properties of aluminium make it suitable for use in aircraft production and food packaging.
Your answer
Aim for approximately 3 distinct marking points.
[3]