Physics GCSE
atmospheric pressure
What atmospheric pressure means in Physics GCSE, as defined for AQA.
Definition of atmospheric pressure
Check what you remember
Read the wording for your board, then hide it and explain atmospheric pressure in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Created by air molecules colliding with a surface, acting at right angles to it whichever way it faces.
Topics that use atmospheric pressure
- 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 atmospheric pressure in the exam
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