The 0625 practical papers include a question where you plan an experiment instead of doing one. Marks go to the apparatus, a clear method, the variables you control, a results table, and how you would reach a conclusion. Practise each part on a bank of experiments.
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The apparatus you need, including the measuring instruments, and nothing irrelevant.
Clear steps in a logical order: what you change, what you measure and how.
The things you keep the same so the test is fair.
Columns for the quantity you change and the quantity you measure, with units in the headings.
How you will use the results, usually by plotting a graph and describing the trend.
The marking follows the conventions in published Cambridge mark schemes. The experiments, readings and wording on this page are our own.