Physics GCSE
Atmospheric pressure and weight of air
What Atmospheric pressure and weight of air means in Physics GCSE, as defined for OCR.
Definition of Atmospheric pressure and weight of air
Check what you remember
Read the wording for your board, then hide it and explain Atmospheric pressure and weight of air in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The weight of the air column pressing down on each unit of area, giving a pressure that acts in all directions on any surface within the air.
Topics that use Atmospheric pressure and weight of air
- Pressure (OCR GCSE)
Related terms
- Cause-and-effect explanation
- Closed systems
- Collisions with container walls
- Comparing pressures at different heights
- Constant temperature and constant average particle speed
- Density and depth
- density comparison
- Expansion and compression by pressure change
Using Atmospheric pressure and weight of air in the exam
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