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Heat
Vocabulary
7
Science
8th Grade
11/18/2006

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Term
Heat
Definition
A form of energy that is transferred by a difference in temperature
Term
Thermal energy
Definition
Random kinetic energy possessed by objects
Term
Temperature
Definition
Degree of hotness or coldness the can be measured using a thermometer. Also a measure of how fast the atoms and molecules of a substance are moving (see Kinetic energy)
Term
Heat transfer
Definition
The flow of heat from one substance to another
Term
Conduction
Definition
The movement of heat from one molecule to another. Objects are in direct contact.
Term
Convection
Definition
The transfer of heat by circulation through a gas or liquid; cool air moves down, while warmer air rises to the top"
Term
Radiation
Definition
A way in which energy is transferred from place to place in the form of a wave
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