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Learning objective

(Physics only) Explain why fusion is difficult to use as an energy source on Earth.

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Topic

Nuclear fission and fusion

Subtopic

Nuclear fusion (physics only)

Aqa Gcse PhysicsAtomic structure

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(Physics only) Explain why fusion is difficult to use as an energy source on Earth

  • This point belongs to Nuclear fission and fusion, especially Nuclear fusion (physics only).
  • You need to be able to (Physics only) Explain why fusion is difficult to use as an energy source on Earth.
  • The key ideas to know are physics only.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

physics only

Why it matters

This objective helps connect Nuclear fusion (physics only) to exam-style questions, flashcards, and revision notes for Nuclear fission and fusion.

Quick student answer

What should you know about (Physics only) Explain why fusion is difficult to use as an energy source on Earth?

Direct answer

In Physics, this page helps you answer questions about (Physics only) Explain why fusion is difficult to use as an energy source on Earth within Nuclear fission and fusion. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are nuclear fusion and energy source of stars.

Key terms

  • nuclear fusion: The process of joining two light nuclei to form a heavier nucleus, releasing energy.
  • energy source of stars: Nuclear fusion is the primary energy source that powers stars, including the Sun.

Common trap

Misunderstanding Fusion Conditions: Emphasize that fusion requires very high temperatures and pressures to overcome electrostatic repulsion between nuclei.

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