Physics GCSE
Proportional reasoning
What Proportional reasoning means in Physics GCSE, as defined for AQA.
Definition of Proportional reasoning
Check what you remember
Read the wording for your board, then hide it and explain Proportional reasoning in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Efficiency is a ratio and therefore has no unit, and can be written as a decimal or multiplied by 100 to give a percentage.
Topics that use Proportional reasoning
- Efficiency (AQA GCSE)
Related terms
- Efficiency
- Lubrication
- Power
- Quantitative relationships
- Unwanted energy transfers
- Useful and wasted energy
- wasted energy
- Wasted power
Using Proportional reasoning 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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