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1.7 Energy, work and power

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Question 404

Here are some statements about energy and energy resources.

Some statements are correct. Put a tick (✓\checkmark✓) next to each correct statement:

  • □\square□ Solar cells convert light energy directly into electrical energy.
  • □\square□ Uranium, used in nuclear power stations, is a renewable energy resource.
  • □\square□ Geothermal energy is obtained from hot rocks deep underground.
  • □\square□ Wind turbines are turned using the gravitational potential energy of the wind.
  • □\square□ Hydroelectric power stations store energy as gravitational potential energy behind a dam.
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Markscheme

1.7 Energy, work and power Questions

  1. IGCSE
  2. /Physics
  3. /1.7 Energy, work and power

533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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