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Thermal Conduction

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Key Stage 3

Meaning

Conduction is when thermal energy passes along a material from the hotter region to the cooler region.

ThermalConduction.gif
Grey represents the metal bar at a cold temperature. The yellow represents the highest temperature and red represents a temperature between yellow and grey.

About Thermal Conduction

Of the three states of matter, solids are the best conductors of thermal energy. Solids are better thermal conductors because the particles are touching one another allowing them to pass on their energy quickly.
Metals are better thermal conductors than non-metals because metals have free electrons that can pass along thermal energy.

Key Stage 4

Meaning

Conduction is when thermal energy passes along a material from the hotter region to the cooler region.

ThermalConduction.gif
Grey represents the metal bar at a cold temperature. The yellow represents the highest temperature and red represents a temperature between yellow and grey.

About Thermal Conduction

Of the three states of matter, solids are the best conductors of thermal energy. Solids are better thermal conductors because the particles are touching one another allowing them to pass on their energy quickly.
Metals are better thermal conductors than non-metals because metals have free electrons that can pass along thermal energy.

References

AQA

Conduction, thermal, pages 24-25, GCSE Physics; Third Edition, Oxford University Press, AQA
Conductions; thermal, pages 35, 58, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA

Edexcel

Conduction (energy), pages 69, 70, GCSE Physics, CGP, Edexcel
Conduction of heat, page 320, GCSE Combined Science, Pearson Edexcel
Conduction of heat, page 38, GCSE Physics, Pearson Edexcel