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Clarify how the motion and arrangement of particles account for the differences in thermal expansion among solids, liquids, and gases as temperature increases.

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Cambridge IGCSE PhysicsThermal physicsSupplement content

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Clarify how the motion and arrangement of particles account for the differences in thermal expansion among solids, liquids, and gases as temperature increases

  • This point belongs to Thermal expansion of solids, liquids and gases, especially Thermal expansion of solids, liquids and gases outcomes.
  • You need to be able to clarify how the motion and arrangement of particles account for the differences in thermal expansion among solids, liquids, and gases as temperature increases.
  • The key ideas to know are Explain and Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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ExplainDescribe

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Paper 4 structured question: Thermal expansion of solids, liquids and gases

Paper 4Theory (Extended)1 marks

Description

Thermal Expansion

As temperature increases, the behavior of particles in solids, liquids, and gases changes significantly. Solids expand slightly, liquids expand more, and gases expand the most due to their particle arrangement and motion.

  1. a

    State the reason why gases expand more than solids when heated.

    Aim for approximately 1 distinct marking point.

    [1]
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