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Cambridge IGCSE Physics practice

Paper 3 structured question: The Sun as a star

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3

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1

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Topic

The Sun as a star

Exam-style question

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Paper 3Theory (Core)1 marks

The Sun is a vital source of energy for the solar system.

Description

The Composition of the Sun

The Sun is primarily composed of hydrogen and helium, with energy emitted in various parts of the electromagnetic spectrum.

  1. a

    State the two main elements that make up the Sun.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: The Sun as a star

Paper 3Theory (Core)3 marks

Description

Energy Emission of the Sun

The Sun emits energy in the infrared, visible light, and ultraviolet parts of the electromagnetic spectrum.

  1. a

    Describe the significance of the Sun's energy emission for life on Earth.

    Aim for approximately 3 distinct marking points.

    [3]