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3.3 Particle model and pressure

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Question 30
H

A pump is used to force more air into a car tyre. The air inside the tyre becomes warmer. Which change happens to the air inside the tyre?

[1]
A

The number of molecules of air inside the tyre stays the same.

B

The average speed of the molecules of the air stays the same.

C

The mass of the air inside the tyre decreases as it is pumped.

D

The average kinetic energy of the molecules of the air increases.

Markscheme

3.3 Particle model and pressure Questions

  1. GCSE
  2. /Physics
  3. /3.3 Particle model and pressure

40 exam-style questions on AQA GCSE Physics 3.3 Particle model and pressure, covering 3.3.1 Particle motion in gases, 3.3.2 Pressure in gases, and 3.3.3 Increasing the pressure of a gas (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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