Combined Science GCSE
SI Units
What SI Units means in Combined Science GCSE, as defined for Pearson Edexcel.
Definition of SI Units
The International System of Units; a globally agreed system of measurements used in science.
Topics that use SI Units
- Key concepts of physics (Pearson Edexcel GCSE)
Related terms
Using SI Units in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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