Biology GCSE
scale and magnitude
What scale and magnitude means in Biology GCSE, as defined for OCR.
Definition of scale and magnitude
Check what you remember
Read the wording for your board, then hide it and explain scale and magnitude in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Each step down the scale represents a thousand-fold reduction in size, so 1 mm contains 1000 µm and 1 µm contains 1000 nm.
Topics that use scale and magnitude
- Cell structures (OCR GCSE)
Related terms
- approximation
- cell dimensions
- cell membranes
- chloroplasts
- estimation
- field of view
- light microscopy
- magnification calculation
Using scale and magnitude in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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