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Cambridge IGCSE Combined Science practice

Paper 4 structured question: Stars and the Universe

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4

Paper

2

Marks

Topic

Stars and the Universe

Exam-style question

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Paper 4Theory (Extended)2 marks

The solar system consists of various planets orbiting the Sun at different distances.

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.

  1. a

    Explain how the distance from the Sun affects the orbital speed of planets.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 4 structured question: Stars and the Universe

Paper 4Theory (Extended)3 marks

Description

Planetary Motion

The planets orbit the Sun in elliptical paths, influenced by the Sun's gravitational force.

  1. a

    Discuss the relationship between the distance of a planet from the Sun and its orbital speed.

    Aim for approximately 3 distinct marking points.

    [3]