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1.7 Energy, work and power

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Question 422
a.

A power plant burns coal to generate electricity.

State and explain whether this method of generating electricity is renewable.

[2]
b.

State two energy resources whose ultimate source of energy is the Sun.

[2]
c.

For each of the following, state the form of energy stored in:

  • uranium-235 used in a nuclear power station
  • a compressed metal spring
[2]
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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