Kinetic particle model of matter: CAIE IGCSE Physics questions
Every CAIE IGCSE Physics exam question on 2.1 Kinetic particle model of matter, June 2024 and the specimen papers, with its mark scheme and examiner’s report.
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Q5(a)
The whole paper ↗![June 2024 Paper 3, question 5(a): Describe the arrangement, separation and motion of gas particles. [3]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062531-jun24-05-a-qp.webp)
Q5(b)(ii)
The whole paper ↗
Q3(a)
The whole paper ↗![June 2024 Paper 4, question 3(a): State one way in which the motion of the particles in ice differs from the motion of the particles in water. [1]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062541-jun24-03-a-qp.webp)



Q5(a)(i)
The whole paper ↗![Specimen Paper 3, question 5(a)(i): State what happens to the pressure of the air in the bottle. [1]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062503-spec-05-ai-qp.webp)
Q5(a)(ii)
The whole paper ↗![Specimen Paper 3, question 5(a)(ii): Explain why the pressure of the air in the bottle changes. Use ideas about gas particles in your answer. [4]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062503-spec-05-aii-qp.webp)
Q4(a)
The whole paper ↗![Specimen Paper 4, question 4(a): Using ideas about momentum, explain how the atoms of helium produce a force on the wall of the balloon. [3]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062504-spec-04-a-qp.webp)
Q4(b)(i)
The whole paper ↗![Specimen Paper 4, question 4(b)(i): Explain why the pressure in the balloon decreases as the balloon rises. You should refer to helium atoms in your answer. [2]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062504-spec-04-bi-qp.webp)
Q4(b)(ii)
The whole paper ↗![Specimen Paper 4, question 4(b)(ii): Calculate the pressure of the helium when its volume is 12 m3. pressure = [2] [Total: 7]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062504-spec-04-bii-qp.webp)
Q5(a)
The whole paper ↗![Specimen Paper 4, question 5(a): Compare the arrangement and motion of the particles in ice and in liquid water. arrangement motion [2]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/062504-spec-05-a-qp.webp)
All 19 questions on Kinetic particle model of matter, as a list
- June 2024, Paper 1, Q9 (1 mark): Some terms describing changes of state are listed. 1 boiling 2 solidification 3 condensation 4 evaporation Which two terms identify the same change of state? A
- June 2024, Paper 1, Q10 (1 mark): Diagram 1 shows apparatus being used to observe smoke particles. Diagram 2 shows how a smoke particle moves randomly. diagram 1 diagram 2 eye random movement mi
- June 2024, Paper 1, Q11 (1 mark): How is a temperature in degrees Celsius (C) converted to a temperature in kelvin (K)? A Add 273 to the temperature in C. B Divide the temperature in C by 273
- June 2024, Paper 1, Q12 (1 mark): The diagram shows a frictionless piston inside a cylinder. The air inside the cylinder is heated. The piston moves in the direction shown. piston cylinder movem
- June 2024, Paper 2, Q9 (1 mark): A man puts some ice into a glass of water on a warm day. After a short time, he notices that the ice disappears and that water droplets appear on the outside of
- June 2024, Paper 2, Q10 (1 mark): Gas of volume 200 cm3 is trapped inside a container by a piston. The piston is pushed to the right and the volume of the gas decreases to 100 cm3. The temperatu
- June 2024, Paper 2, Q11 (1 mark): Which graph shows the relationship between the pressure and volume of a fixed mass of gas at constant temperature? A B pressure pressure 0 0 0 volume 0 volume C
- June 2024, Paper 3, Q5(a) (3 marks): Describe the arrangement, separation and motion of gas particles. [3]
- June 2024, Paper 3, Q5(b)(ii) (2 marks): When the piston moves into the container, the temperature of the gas does not change. Describe and explain any change in the pressure on the walls of the contai
- June 2024, Paper 4, Q3(a) (1 mark): State one way in which the motion of the particles in ice differs from the motion of the particles in water. [1]
- Specimen, Paper 1, Q13 (1 mark): The diagram represents particles of a gas inside a closed container of constant volume. The gas is heated. What happens to the particles of the gas? A They expa
- Specimen, Paper 1, Q14 (1 mark): When using a microscope to look at smoke particles in air, Brownian motion is observed. What causes the smoke particles to move at random? A Smoke particles are
- Specimen, Paper 2, Q14 (1 mark): When particles of a gas collide with a wall of a container, the wall experiences a pressure. What is the cause of this pressure? A the change in energy of the p
- Specimen, Paper 3, Q5(a)(i) (1 mark): State what happens to the pressure of the air in the bottle. [1]
- Specimen, Paper 3, Q5(a)(ii) (4 marks): Explain why the pressure of the air in the bottle changes. Use ideas about gas particles in your answer. [4]
- Specimen, Paper 4, Q4(a) (3 marks): Using ideas about momentum, explain how the atoms of helium produce a force on the wall of the balloon. [3]
- Specimen, Paper 4, Q4(b)(i) (2 marks): Explain why the pressure in the balloon decreases as the balloon rises. You should refer to helium atoms in your answer. [2]
- Specimen, Paper 4, Q4(b)(ii) (2 marks): Calculate the pressure of the helium when its volume is 12 m3. pressure = [2] [Total: 7]
- Specimen, Paper 4, Q5(a) (2 marks): Compare the arrangement and motion of the particles in ice and in liquid water. arrangement motion [2]
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