AQA GCSE Combined Science Trilogy · 8464
Specification 6.3.3.1 · Paper 5
Revise: Particle Motion in GasesThe temperature of a gas is related to the average kinetic energy of its molecules.
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GCSE Combined Science · key term
The total kinetic energy of a group of molecules divided by the number of molecules.
Used by AQA
Specification 6.3.3.1 · Paper 5
Revise: Particle Motion in GasesThe temperature of a gas is related to the average kinetic energy of its molecules.
For a temperature–pressure explanation, link higher temperature → greater average kinetic energy → faster molecules → more frequent collisions with the walls → greater pressure.
Use ‘average kinetic energy’: the molecules do not all have the same speed.
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