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Particle model of matter
Practice Questions

27 Edexcel GCSE Physics questions on Particle model of matter, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Particle model of matter

Question 1 · 1 mark · Difficulty 1/3

Which of the following is the correct equation linking pressure, volume, and temperature for a fixed mass of gas?

  1. P₁V₁T₁ = P₂V₂T₂
  2. P₁V₁/T₁ = P₂V₂/T₂
  3. P₁V₁/T₂ = P₂V₂/T₁
  4. P₁/T₁ = P₂V₂/T₂
Show answer & explanation
✓ Answer: B — P₁V₁/T₁ = P₂V₂/T₂
The combined gas law for a fixed mass of gas is P₁V₁/T₁ = P₂V₂/T₂, where temperature must be in Kelvin. Option A is incorrect because the temperatures are multiplied rather than dividing PV. Options B and D rearrange the terms incorrectly, placing variables in the wrong positions.
Question 2 · 1 mark · Difficulty 1/3

A fixed mass of gas is sealed in a container at constant volume. The temperature of the gas is increased. Which statement correctly describes what happens to the pressure of the gas?

  1. Pressure increases because the particles collide more frequently and with greater force
  2. Pressure stays the same because the volume does not change
  3. Pressure increases because the particles become larger at higher temperatures
  4. Pressure decreases because the particles move more slowly
Show answer & explanation
✓ Answer: A — Pressure increases because the particles collide more frequently and with greater force
When temperature increases at constant volume, gas particles gain kinetic energy, move faster, collide with the container walls more frequently and with greater force, increasing pressure. Option A is wrong because particles move faster, not slower, when heated. Option B is wrong because pressure does change even at constant volume. Option D is wrong because particle size does not change with temperature.
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Edexcel GCSE Physics: Particle model of matter FAQ

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Are the Particle model of matter questions aligned to the official Edexcel GCSE Physics syllabus?
Every question is written against the published Edexcel GCSE Physics specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real Edexcel paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from Edexcel.
How is Particle model of matter typically tested on Edexcel GCSE Physics papers?
Particle model of matter appears across multiple question types on real Edexcel GCSE Physics papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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