Chemistry A-Level
Choice of scale
What Choice of scale means in Chemistry A-Level, as defined for OCR.
Definition of Choice of scale
Check what you remember
Read the wording for your board, then hide it and explain Choice of scale in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A scale is chosen in convenient steps so the data spread across most of the grid, using a sensible step such as 1, 2, 5 or 10 units per major square.
Topics that use Choice of scale
- Analysis (OCR A-Level)
Related terms
- Consistent unit conversion
- Gradient
- Line of best fit
- Precision of measurement
- Reporting derived results
- Selecting the correct mathematical relationship
- Significant figures and standard form
- Units of gradient
Using Choice of scale 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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