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Explain how solids, liquids, and gases expand when heated at a constant pressure.

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

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Quick explanation

Explain how solids, liquids, and gases expand when heated at a constant pressure

  • This point belongs to Thermal properties and temperature, especially Thermal properties and temperature outcomes.
  • You need to be able to explain how solids, liquids, and gases expand when heated at a constant pressure.
  • 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)3 marks

Description

Thermal Expansion

When solids, liquids, and gases are heated, they expand due to increased particle movement. Solids expand slightly, liquids expand more, and gases expand the most.

  1. a

    Explain how solids, liquids, and gases expand when heated at a constant pressure.

    Aim for approximately 3 distinct marking points.

    [3]
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