Melting, boiling and evaporation: past paper questions

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• Question 15Oct/Nov 2024, paper 11Multiple choice1 markHas a diagram

  Which row describes the process of melting?

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• Question 15Oct/Nov 2023, paper 12Multiple choice1 mark

  Which diagram shows the processes happening during changes of state?

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• Question 15May/June 2026, paper 12Multiple choice1 mark

  At the surface of a liquid, the more-energetic molecules can escape from the liquid into the atmosphere. Which name is given to this process?

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

  Which name is given to the change of state when steam at $100{}^{\circ }\text{C}$ changes to water at $100{}^{\circ }\text{C}$?

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• Question 15Oct/Nov 2023, paper 13Multiple choice1 mark

  Which statement about the temperature of the solid describes what happens when a solid is melting?

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• Question 14May/June 2026, paper 13Multiple choice1 mark

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

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• Question 14Oct/Nov 2025, paper 12Multiple choice1 markHas a diagram

  The chart shows the boiling points for four different liquids at standard atmospheric pressure. Which liquid is water?

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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 14Oct/Nov 2023, paper 21Multiple choice1 mark

  On a warm day, a carton of fresh milk is covered with a wet cloth. Why does this help to reduce the temperature of the milk?

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• Question 15Oct/Nov 2025, paper 13Multiple choice1 mark

  When a liquid is exposed to the air, the more-energetic particles escape from the surface of the liquid. What is the name of this process?

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• Question 15Oct/Nov 2024, paper 13Multiple choice1 mark

  On a hot summer day, the level of the water in a pond falls. Which statement explains this?

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• Question 14Oct/Nov 2023, paper 22Multiple choice1 markHas a diagram

  Liquid evaporates from a beaker. What happens to the temperature of the remaining liquid and how does this temperature change affect the rate of evaporation?

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• Question 14May/June 2026, paper 22Multiple choice1 markHas a diagram

  A beaker of liquid is heated slowly so that the liquid evaporates. During evaporation, from where do the more-energetic molecules leave the liquid?

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• Question 15May/June 2026, paper 22Multiple choice1 markHas a diagram

  A student uses a tall container and a shallow dish for two experiments heating water. The same mass of water at room temperature is used in each experiment.

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• Question 14Oct/Nov 2025, paper 23Multiple choice1 markHas a diagram

  The diagram shows four labelled changes of state, P, Q, R and S, between solid, liquid and gas.

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• Question 15Oct/Nov 2023, paper 23Multiple choice1 markHas a diagram

  Four containers each contain water. More water at the same temperature is added to each container. From which container does water now evaporate more slowly than it did before?

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• Question 4May/June 2026, paper 32Structured6 marksHas a diagram

  A hot furnace heats some solid metal until the metal becomes liquid. Name the process by which a solid becomes a liquid.

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• Question 4Oct/Nov 2025, paper 33Structured8 marksHas a diagram

  A teacher shows the class a demonstration about heat energy and states of matter. The teacher heats a substance. A heater supplies thermal energy at a steady rate.

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• Question 14Oct/Nov 2024, paper 22Multiple choice1 markHas a diagram

  Which row gives the correct name for each change of state shown?

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• Question 2Oct/Nov 2023, paper 42Structured6 marksHas a diagram

  Fig. 2.1 shows an electric tumble dryer used to dry wet clothes. Hot air blows into the drum. The air gains water vapour from the clothes and then leaves the drum.

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• Question 5Oct/Nov 2025, paper 42Structured5 marks

  There is a large puddle of water on a road. The water in the puddle evaporates. Describe how evaporation from the puddle occurs.

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• Question 14Oct/Nov 2024, paper 23Multiple choice1 mark

  Which statement about the evaporation of a liquid is correct?

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• Question 15May/June 2023, paper 11Multiple choice1 mark

  Which statements about evaporation of water are correct?

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• Question 5May/June 2026, paper 42Structured5 marksHas a diagram

  On a hot day, a student wets his skin with cold water. The water on the student’s skin evaporates. Explain, in terms of particles, why the student’s skin temperature decreases.

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• Question 11May/June 2025, paper 11Multiple choice1 markHas a diagram

  Two different pure substances, X and Y, are heated. Both substance X and substance Y are initially in the solid state.

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• Question 4Oct/Nov 2024, paper 41Structured11 marksHas a diagram

  Describe an experiment to determine the specific heat capacity of aluminium.

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• Question 15May/June 2023, paper 12Multiple choice1 mark

  At the surface of a liquid, the more energetic molecules can escape from the liquid into the atmosphere. Which name is given to this process?

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• Question 15May/June 2025, paper 11Multiple choice1 mark

  Evaporation occurs from the surface of a pool of water. Which statement describes this change of state?

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• Question 4Oct/Nov 2024, paper 42Structured6 marksHas a diagram

  Fig. 4.1 shows a pressure cooker on an electric heating element. The cooker has a tight-fitting lid. The pressure cooker is half-full of water.

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• Question 10May/June 2025, paper 12Multiple choice1 markHas a diagram

  A scientist heats a solid substance until it turns into a liquid, and then into a gas. Which row describes the two changes of state of the substance as it is heated?

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