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2.2 Thermal properties and temperature

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Question 26

Plan an experiment to investigate how the surface area of water exposed to the air affects the rate of cooling of hot water.

Write a plan for the experiment, including:

  • the apparatus needed
  • what you would measure
  • the variables you would keep the same to ensure the comparison is a fair test
  • instructions for carrying out the experiment
  • how you would present your results
  • how you would use your readings to reach a conclusion.

You may draw a diagram if it helps to explain your plan.

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Markscheme

2.2 Thermal properties and temperature Questions

  1. IGCSE
  2. /Physics
  3. /2.2 Thermal properties and temperature

528 exam-style questions on CIE IGCSE Physics 2.2 Thermal properties and temperature, covering 2.2.1 Thermal expansion of solids, liquids and gases, 2.2.2a Internal energy and temperature, 2.2.2b Specific heat capacity, 2.2.3a Melting, boiling, condensation and solidification, 2.2.3b Evaporation, and 2.2.3c Cooling by evaporation. Each one has a worked solution and a mark scheme showing where the marks go.

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