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Learning objective

Discuss how evaporation occurs when more energetic particles leave the surface of a liquid.

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  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE Combined ScienceThermal physicsCore content

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Quick explanation

Discuss how evaporation occurs when more energetic particles leave the surface of a liquid

  • This point belongs to Thermal properties and temperature, especially Thermal properties and temperature outcomes.
  • You need to be able to discuss how evaporation occurs when more energetic particles leave the surface of a liquid.
  • 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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This objective helps connect Thermal properties and temperature outcomes to exam-style questions, flashcards, and revision notes for Thermal properties and temperature.

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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]
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