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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Thermal properties and temperature

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3

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Thermal properties and temperature

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Paper 3Theory (Core)3 marks

Factors affecting evaporation.

Description

Factors Influencing Evaporation

Evaporation is affected by various factors including temperature, surface area, and humidity levels.

  1. a

    Discuss Discuss how surface area impacts the rate of evaporation.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: Thermal properties and temperature

Paper 3Theory (Core)2 marks

Description

Evaporation Process

Evaporation occurs when particles at the surface of a liquid gain enough energy to escape into the air. This process is influenced by temperature, surface area, and air movement.

  1. a

    Explain Explain how temperature affects the rate of evaporation.

    Aim for approximately 2 distinct marking points.

    [2]