Exam-style practice

Stars and the Universe answer explanations

Review worked answers and explanations for Stars and the Universe. Aligned to Cambridge IGCSE Combined Science.

Questions

Supported

Review

Mode

Space

Topic

Answer explanations

Question 21 of 28

Review the answer support, then move sideways through the set.

Paper 4 structured question: Stars and the Universe

Paper 4Theory (Extended)2 marks

Description

Gravitational Influence in the Solar System

Planets closer to the Sun experience a stronger gravitational pull, while those further away experience a weaker pull. This affects their orbital speeds.

a
Explain how the distance from the Sun affects the orbital speed of planets.
[2]

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