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Learning objective

Understand that energy is produced through nuclear fusion in the Sun, although detailed knowledge of the fusion process is not necessary.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE Combined ScienceMotion, forces and energySupplement content

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Quick explanation

Understand that energy is produced through nuclear fusion in the Sun, although detailed knowledge of the fusion process is not necessary

  • This point belongs to Energy, work and power, especially Energy, work and power outcomes.
  • You need to be able to understand that energy is produced through nuclear fusion in the Sun, although detailed knowledge of the fusion process is not necessary.
  • The key ideas to know are State and Identify.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

StateIdentify

Why it matters

This objective helps connect Energy, work and power outcomes to exam-style questions, flashcards, and revision notes for Energy, work and power.

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Practice Questions7 linked questions

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Paper 4 structured question: Energy, work and power

Paper 4Theory (Extended)3 marks

Description

Energy Production in the Sun

The Sun generates energy through a process that involves the fusion of hydrogen nuclei into helium, releasing energy in the form of light and heat.

  1. a

    Explain how energy is produced in the Sun.

    Aim for approximately 3 distinct marking points.

    [3]
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