6.9ab thermal energy - mrs schank's...
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6.9AB Thermal Energy
Picture Vocabulary
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Thermal Energy
The energy of heat, which transfers from hotter objects to colder objects
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Temperature
A measurement for the sensation of “how hot” or “how cold”
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Conduction
The transfer of heat that occurs when two objects of different temperatures touch:
matter must be in direct contact Rice University – All Rights Reserved © 2011
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Conductor
A substance that heat or electricity can easily "ow through
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Insulator
A material that protects or resists the transfer of heat, electricity or noise
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Convection
The transfer of heat from one place to another, when matter is in direct contact
and is in motion due to density changes in liquid or gas
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Heat source"
Cooler area" Material cools, contracts, becomes more dense and sinks
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Radiation
The transfer of heat that occurs through empty space, matter need not be in direct
contact or be present Rice University – All Rights Reserved © 2011