Physics GCSE
column of air
What column of air means in Physics GCSE, as defined for AQA.
Definition of column of air
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Reference: AQA
A body of air standing on a surface and reaching to the top of the atmosphere, every molecule in it having weight and pressing down on the surface.
Topics that use column of air
- Atmospheric pressure (AQA GCSE)
Related terms
- altitude
- average density
- collision frequency
- comparing heights
- compression by the air above
- extra layer of air
- force per unit area
- particle spacing
Using column of air in the exam
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