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Cambridge IGCSE Physics

2.3.1Conduction

Conduction in Cambridge IGCSE Physics: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 2.3.1.1Describe experiments showing the properties of good thermal conductors and of thermal insulators.
  2. 2.3.1.2Supplement: explain conduction in solids by lattice vibrations and, in metals, by free (delocalised) electrons.
  3. 2.3.1.3Supplement: explain with particles why gases and most liquids are poor thermal conductors.
  4. 2.3.1.4Supplement: know that many solids conduct better than insulators but worse than good conductors.

Lessons

  • Conduction

    18 min

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Sample question

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Conduction: sample question

1 mark

A metal bench and a wooden bench have been in the same shade all day. Why does the metal one feel colder to touch?

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