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Cambridge IGCSE Physics practice

Paper 4 structured question: Energy resources

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Energy resources

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Paper 4Theory (Extended)1 marks

The Sun is a massive star that produces energy through nuclear fusion.

Description

Energy Production in the Sun

The Sun's core reaches extremely high temperatures and pressures, allowing hydrogen nuclei to fuse into helium, releasing energy.

  1. a

    State the process by which energy is produced in the Sun.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Energy resources

Paper 4Theory (Extended)2 marks

Description

Nuclear Fusion in the Sun

In the Sun, hydrogen nuclei fuse to form helium, releasing energy that travels to Earth as light and heat.

  1. a

    State two products of the nuclear fusion process in the Sun.

    Aim for approximately 2 distinct marking points.

    [2]