Two identical cans are painted matt black and shiny silver. Explain how a fair experiment could compare their cooling rates and why the surface finish affects the results. [6 marks]
Aim for 80–140 wordsSeparate the fair-test method from the infrared explanation.
Foundation Tier AQA GCSE six-mark point-based response.
Your answer
Write a clear, structured response. Include definitions, equations with units, and a concluding statement.
