Cambridge IGCSE Combined Science practice

Paper 4 structured question: Stars and the Universe

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

At a glance

Paper

Marks

Topic

Stars and the Universe

Exam-style question

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Paper 4Theory (Extended)3 marks

The life cycle of stars is influenced by their energy production methods.

Description

The energy produced by nuclear fusion affects the life cycle and evolution of stars.

a
Discuss the role of nuclear fusion in the life cycle of a star.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 4Theory (Extended)3 marks

Description

Stars produce energy through nuclear fusion, primarily converting hydrogen into helium in their cores.

a
Explain the process of nuclear fusion in stars and its significance.
Your answer
Aim for approximately 3 distinct marking points.
[3]