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102443
Conduction, radiation and convection
Description
Physics - Density Mind Map on Conduction, radiation and convection, created by grayk on 22/05/2013.
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physics - density
physics - density
Mind Map by
grayk
, updated more than 1 year ago
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Created by
grayk
over 11 years ago
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Resource summary
Conduction, radiation and convection
Conduction
How is works: As the tempersture of a solid is increased, the particles vibrate more, so they gainmore kinetic energy.
The increase in kinetic energy is passed onto adjacent particles through collision causing them to vibrate more.
Conduction in Metals
Metal atoms exist as positivly charged metal ions in a regular lettice structure. The ions are surrounded by negativley chaqrged electrons.
some of the electrons are effectivley freeand can move within the metal.
Convection
Convection occurs only in fluids (liquids and gases). as a fluid is heated the particles gain energy
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