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Explain how factors like temperature, surface area, and air movement influence the rate of evaporation.

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Cambridge IGCSE Combined ScienceThermal physicsSupplement content

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Explain how factors like temperature, surface area, and air movement influence the rate of evaporation

  • This point belongs to Thermal properties and temperature, especially Thermal properties and temperature outcomes.
  • You need to be able to explain how factors like temperature, surface area, and air movement influence the rate of evaporation.
  • The key ideas to know are Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Describe

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Paper 4 structured question: Thermal properties and temperature

Paper 4Theory (Extended)3 marks

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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