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Learning objective

Describe various methods of obtaining useful energy or generating electrical power from sources such as fossil fuels, biofuels, water (including waves, tides, and hydroelectric), geothermal energy, nuclear fission, solar energy, and wind.

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 energyCore content

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Quick explanation

Describe various methods of obtaining useful energy or generating electrical power from sources such as fossil fuels, biofuels, water (including waves, tides, and hydroelectric), geothermal energy, nuclear fission, solar energy, and wind

  • This point belongs to Energy, work and power, especially Energy, work and power outcomes.
  • You need to be able to describe various methods of obtaining useful energy or generating electrical power from sources such as fossil fuels, biofuels, water (including waves, tides, and hydroelectric), geothermal energy, nuclear fission, solar energy, and wind.
  • The key ideas to know are Describe and Explain.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeExplain

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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Paper 3 structured question: Energy, work and power

Paper 3Theory (Core)2 marks

Description

Energy Sources

Various methods exist for generating energy, including fossil fuels, biofuels, hydroelectric, geothermal, nuclear, solar, and wind energy.

  1. a

    Describe the process of generating electricity from solar energy.

    Aim for approximately 2 distinct marking points.

    [2]
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