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Cambridge IGCSE Combined Science practice

Paper 4 structured question: Thermal properties and temperature

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Thermal properties and temperature

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Paper 4Theory (Extended)3 marks

Understanding evaporation in different conditions.

Description

Factors Affecting Evaporation

Consider a shallow dish of water placed in a warm room with a fan blowing over it. The dish has a large surface area.

  1. a

    Explain how the temperature and air movement in this scenario affect the rate of evaporation.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Thermal properties and temperature

Paper 4Theory (Extended)3 marks

Description

Evaporation Experiment

An experiment is set up to measure evaporation rates of water in different conditions: one dish is heated, one is at room temperature, and one is in a windy area.

  1. a

    Compare the expected evaporation rates of the three dishes.

    Aim for approximately 3 distinct marking points.

    [3]