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Explain thermal conduction in solids through atomic or molecular vibrations and the movement of delocalized electrons in metals.

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Cambridge IGCSE Combined ScienceThermal physicsSupplement content

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Explain thermal conduction in solids through atomic or molecular vibrations and the movement of delocalized electrons in metals

This point belongs to Transfer of thermal energy, especially Transfer of thermal energy outcomes.
You need to be able to explain thermal conduction in solids through atomic or molecular vibrations and the movement of delocalized electrons in metals.
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Describe

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Paper 4 structured question: Transfer of thermal energy

Paper 4Theory (Extended)3 marks

Description

Thermal Conduction in Solids

Thermal conduction occurs in solids through atomic vibrations and the movement of delocalized electrons in metals. Understanding these processes is essential for various applications.

a
Explain the process of thermal conduction in metals and non-metals.
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[3]

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Recognize and provide examples of effective thermal conductors and ineffective thermal conductors (thermal insulators).
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Clarify convection in liquids and gases based on changes in density.
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Recognize that thermal energy transfer via thermal radiation does not need a medium and primarily occurs through infrared radiation.
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