Kinetic particle model of matter: past paper questions

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• Question 11May/June 2026, paper 11Multiple choice1 markHas a diagram

  Very small pollen grains are suspended in water.

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• Question 12Oct/Nov 2023, paper 11Multiple choice1 mark

  Why can a gas be compressed easily into a smaller volume?

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• Question 12May/June 2026, paper 11Multiple choice1 markHas a diagram

  Which row gives the temperature of melting ice and the temperature of boiling water?

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• Question 13Oct/Nov 2024, paper 11Multiple choice1 markHas a diagram

  The diagram represents gas particles moving around in a sealed container. The gas particles collide with the walls of the container. The temperature of the gas is increased.

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• Question 13Oct/Nov 2023, paper 11Multiple choice1 mark

  The melting point of mercury is $-39{}^{\circ }\text{C}$. What is the melting point of mercury in kelvin?

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• Question 13Oct/Nov 2024, paper 12Multiple choice1 markHas a diagram

  A fixed mass of air is trapped inside a cylinder fitted with a moveable piston. The piston is slowly pushed in. What happens to the pressure and the volume of the trapped air?

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• Question 15Oct/Nov 2023, paper 11Multiple choice1 markHas a diagram

  A student has two blocks of metal, X and Y. The temperature of X is $50{}^{\circ }\text{C}$ and the temperature of Y is $0{}^{\circ }\text{C}$. The two blocks are placed in contact with each other, as shown. After some time, both blocks have a temperature of $25{}^{\circ }\text{C}$.

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• Question 11May/June 2026, paper 12Multiple choice1 mark

  The air pressure in a car tyre is measured on a warm day. The pressure is then measured again during the cold night. The air pressure in the tyre has decreased.

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• Question 15Oct/Nov 2024, paper 12Multiple choice1 markHas a diagram

  Which diagram shows the overall movement of particles and the temperature change when a liquid evaporates?

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• Question 12Oct/Nov 2023, paper 12Multiple choice1 mark

  Brownian motion is the random motion of particles. In which states of matter is Brownian motion observed?

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• Question 12May/June 2026, paper 12Multiple choice1 mark

  Which equation is used to convert temperatures between $T$ in kelvin and $\theta$ in degrees Celsius?

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• Question 12Oct/Nov 2025, paper 12Multiple choice1 markHas a diagram

  Which row lists two properties of a solid?

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• Question 14May/June 2026, paper 12Multiple choice1 mark

  Which statement is correct about the particles of a substance after condensation?

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• Question 13Oct/Nov 2025, paper 12Multiple choice1 markHas a diagram

  Air is trapped in a cylinder by a piston. The piston is pushed inwards. The volume of the air reduces.

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• Question 13Oct/Nov 2024, paper 13Multiple choice1 mark

  The air temperature rises from $10{}^{\circ }\text{C}$ to $40{}^{\circ }\text{C}$. What is the change in temperature, expressed in kelvin?

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• Question 11Oct/Nov 2025, paper 13Multiple choice1 mark

  When a hot gas cools, its internal energy decreases. What causes this?

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• Question 12Oct/Nov 2024, paper 21Multiple choice1 markHas a diagram

  Some air is trapped inside a metal container with a tightly fitting lid. The container is heated strongly behind a safety screen. The lid is blown off by the increased pressure of the air inside the container.

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• Question 13Oct/Nov 2023, paper 13Multiple choice1 markHas a diagram

  Which graph shows the relationship between the pressure $p$ of a fixed mass of gas and its volume $V$ at a constant temperature?

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• Question 12Oct/Nov 2025, paper 13Multiple choice1 mark

  The temperature of an object is $37{}^{\circ }\text{C}$. What is the temperature of the object in kelvin?

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• Question 12Oct/Nov 2024, paper 22Multiple choice1 mark

  Water can exist in three states: solid (ice), liquid (liquid water) and gas (steam). In which states is the motion of the water particles only vibrational?

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• Question 13Oct/Nov 2023, paper 21Multiple choice1 markHas a diagram

  A gas is contained in a cylinder by a movable piston. The gas is heated so that it expands at constant pressure. How is the force of each collision of a gas particle with the piston affected and how does the frequency of collisions between the gas particles and the piston change?

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• Question 10May/June 2026, paper 21Multiple choice1 markHas a diagram

  Which row describes the arrangement and the average separation of gas particles?

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• Question 11May/June 2026, paper 21Multiple choice1 markHas a diagram

  The same mass of a gas is trapped in four identical cylinders by a piston that can move. The diagrams show the samples of gas in different conditions of volume and temperature.

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• Question 11Oct/Nov 2025, paper 21Multiple choice1 mark

  Brownian motion is the random movement of microscopic particles in a liquid or gas. Which statement about Brownian motion is correct?

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• Question 13Oct/Nov 2023, paper 22Multiple choice1 markHas a diagram

  The volume of a fixed mass of gas is varied. The temperature remains constant. Which graph shows how the pressure $p$ of the gas varies with volume $V$?

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• Question 10Oct/Nov 2025, paper 22Multiple choice1 markHas a diagram

  The pressure of the air in a car tyre rises after a long journey. This is caused by a change in the average speed of the air particles and a change in the temperature of the air in the tyre. Which row describes the changes that have caused the air pressure in the tyre to rise?

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• Question 13Oct/Nov 2024, paper 23Multiple choice1 markHas a diagram

  Air in a sealed syringe is slowly compressed by moving the piston. The temperature of the air stays the same. Which statement about the air is correct?

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• Question 13May/June 2026, paper 21Multiple choice1 mark

  The temperature of a copper block increases. Which energy store in the block must increase?

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• Question 11Oct/Nov 2025, paper 22Multiple choice1 mark

  In which range of temperatures is water a liquid?

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• Question 5Oct/Nov 2024, paper 31Structured5 marksHas a diagram

  Fig. 5.1 shows a metal box. The air in the box is at room temperature, $20{}^{\circ }\text{C}$. Air cannot leave or enter the box.

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