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1.7 Energy, work and power

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Question 295

Energy is stored in a chocolate bar and in a stretched elastic band.

Which type of energy is stored in each of them?

A

Chocolate bar: chemical; Stretched elastic band: elastic potential

B

Chocolate bar: chemical; Stretched elastic band: gravitational potential

C

Chocolate bar: internal (thermal); Stretched elastic band: elastic potential

D

Chocolate bar: internal (thermal); Stretched elastic band: gravitational potential

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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