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1.2 Conservation and dissipation of energy

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Question 10
H

A student investigates how effective four materials are as thermal insulators. The student wraps a beaker of hot water in each material in turn and records the temperature drop of the water in 10 minutes. Which change would make the student's results invalid?

[1]
A

using the same thickness of each material around the beaker

B

using the same volume of water in the beaker for each material

C

using a different starting temperature of water for each material

D

using the same time of 10 minutes for each of the four materials

Markscheme

1.2 Conservation and dissipation of energy Questions

  1. GCSE
  2. /Physics
  3. /1.2 Conservation and dissipation of energy

40 exam-style questions on AQA GCSE Physics 1.2 Conservation and dissipation of energy, covering 1.2.1 Energy transfers in a system and 1.2.2 Efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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