Combined Science GCSE
Pressure
What Pressure means in Combined Science GCSE, as defined for AQA.
Definitions of Pressure
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Pressure in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Caused by the force of molecular collisions acting on the container walls per unit area.
The force exerted by gas particles per unit area on the container walls.
Topics that use Pressure
- Particle motion in gases (AQA GCSE)
Related terms
- Collision frequency and force on container walls
- Kinetic energy and temperature
- Pressure–temperature relationship at constant volume
- Random molecular motion
- Temperature
- Temperature and energy
- Average kinetic energy and molecular speed
- Collision frequency and force
Using Pressure in the exam
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