The practical endorsement is reported separately, but practical skills are also tested in your written papers. Students often forget this until the exam.

Make a one-page sheet per practical

For each required practical, write the method, the key measurements, sources of error and how to reduce them on a single page.

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Uncertainty calculations come up every year. Practise them until they’re automatic.

Practise data questions

Use past paper questions that give you results tables and ask for graphs, gradients and conclusions.