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Thermal Energy Conduction, Convection and Radiation
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How Heat Travels warmer cooler Conduction Convection Radiation
Heat moves from ________ matter to ________ matter. Heat moves in 3 different ways: __________ warmer cooler Conduction Convection Radiation
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Conduction heat direct contact Definition:
The transfer of __________ through a material by ___________ __________. Examples: heat direct contact A metal spoon gets hot quickly in hot cocoa An iron heats up the material it comes in contact with.
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Heat transfer by Conduction
Note that in metals, heat is transferred through free-moving electrons, and in other substances through moving atoms. *images from
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Convection fluid movement Definition:
The transfer of heat in a __________ (gas or liquid) as a result of the ______________ of the fluid itself. Examples: fluid movement Boiling pasta in water. Wind currents.
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Heat transfer by Convection
Note that the warm material rises, cools at the surface and then sinks in a circular pattern. *animation from
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Radiation electromagnetic waves space Definition:
The transfer of heat via __________________ _________ through ___________ . Examples: electromagnetic waves space The heat from the sun melting ice cream. The heat from a campfire.
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Review All Three B. A. C.
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Animations of Conduction, Convection and Radiation
Teacher's Domain Animations Movie of convection in the sun Effect of heat on atoms
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