Combined Science GCSE
Changing speed
What Changing speed means in Combined Science GCSE, as defined for AQA.
Definition of Changing speed
Check what you remember
Read the wording for your board, then hide it and explain Changing speed in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Shown on a distance–time graph by a curve, including acceleration when the curve gets steeper and deceleration when it gets shallower.
Topics that use Changing speed
- The distance–time relationship (AQA GCSE)
Related terms
- Accelerated motion and curved graphs
- Average and instantaneous speed from graphs
- Constant speed
- distance–time graph
- Gradient
- Instantaneous speed as a tangent gradient
- Practical graph-reading skills
- Calculating change in distance and time
Using Changing speed in the exam
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