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Learning objective

Familiarize yourself with the terminology related to the transitions between solids, liquids, and gases, excluding the processes of gas to solid and solid to gas.

Read the explanation, check the common trap, then practise with flashcards and questions.

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Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE PhysicsThermal physicsCore content

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Quick explanation

Familiarize yourself with the terminology related to the transitions between solids, liquids, and gases, excluding the processes of gas to solid and solid to gas

  • This point belongs to States of matter, especially States of matter outcomes.
  • You need to be able to familiarize yourself with the terminology related to the transitions between solids, liquids, and gases, excluding the processes of gas to solid and solid to gas.
  • The key ideas to know are Know, Define, and Explain.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

KnowDefineExplain

Why it matters

This objective helps connect States of matter outcomes to exam-style questions, flashcards, and revision notes for States of matter.

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Paper 3 structured question: States of matter

Paper 3Theory (Core)1 marks

Description

Phase Changes

Phase changes occur when matter transitions between solid, liquid, and gas states. These changes involve energy transfer and affect the arrangement of particles.

  1. a

    State the process by which a liquid becomes a gas.

    Aim for approximately 1 distinct marking point.

    [1]
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