Physics GCSE
pressure falls with height
What pressure falls with height means in Physics GCSE, as defined for AQA.
Definition of pressure falls with height
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Reference: AQA
Atmospheric pressure decreases with an increase in height because there are fewer molecules above a surface and fewer collisions each second.
Topics that use pressure falls with height
- Atmospheric pressure (AQA GCSE)
Related terms
- altitude
- average density
- collision frequency
- column of air
- comparing heights
- compression by the air above
- extra layer of air
- force per unit area
Using pressure falls with height in the exam
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