Particle Model of MatterAQA GCSE Physics (8463)

Particle Model and Pressure

Work through the notes, try the practice questions, then take the quiz. The report tells you exactly what to revise next. (2026)

Practice progress

6 MCQs

0 of 6 attempted

Correct

Incorrect

Remaining

1
Gas particles move:
Answer & explanation
Correct: option B
Random motion in all directions.
2
Temperature is a measure of:
Answer & explanation
Correct: option C
T ∝ average KE of particles.
3
When a gas is heated at constant volume, particles:
Answer & explanation
Correct: option C
More KE = faster particles.
4
Smoke particles jiggle randomly under a microscope. This is:
Answer & explanation
Correct: option B
Brownian motion — evidence for the particle model.
5
Doubling absolute temperature (in K) of a gas doubles:
Answer & explanation
Correct: option B
Average KE ∝ T (in K).
6
Collisions between gas particles are:
Answer & explanation
Correct: option B
GCSE: elastic collisions — total KE conserved.

Particle Model of MatterAQA GCSE Physics (8463)

Work through the notes, try the practice questions, then take the quiz. The report tells you exactly what to revise next. (2026)

6 MCQs

0 of 6 attempted

Correct

Incorrect

Remaining

1
Gas particles move:
Answer & explanation
Correct: option B
Random motion in all directions.
2
Temperature is a measure of:
Answer & explanation
Correct: option C
T ∝ average KE of particles.
3
When a gas is heated at constant volume, particles:
Answer & explanation
Correct: option C
More KE = faster particles.
4
Smoke particles jiggle randomly under a microscope. This is:
Answer & explanation
Correct: option B
Brownian motion — evidence for the particle model.
5
Doubling absolute temperature (in K) of a gas doubles:
Answer & explanation
Correct: option B
Average KE ∝ T (in K).
6
Collisions between gas particles are:
Answer & explanation
Correct: option B
GCSE: elastic collisions — total KE conserved.