Physics 5054 · O Level · Transfer of thermal energy
Transfer of thermal energy — practice question
A student is studying how quickly hot water cools in a beaker. Plan an experiment to explore how the thickness of cardboard insulation around the beaker affects the cooling rate of the hot water in the beaker. The apparatus available includes a supply of hot water, a beaker, a thermometer, and 1 mm thick cardboard sheets.
(main)[6]
In your plan, include: any additional apparatus needed; a short description of the method, stating what you will measure and how you will make sure the measurements are accurate; the variables you will keep constant; a results table for recording your measurements (you do not need to put any readings in the table); and an explanation of how you will process your results in order to reach a conclusion.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “MP1 Extra apparatus: stopwatch / stopclock / timer” …