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Heat Transfer

Brandon and John's Prezi Science Project 5th Period

John Wang

on 23 April 2010

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Transcript of Heat Transfer

Heat Transfer By: John Wang and Brandon Bohn Temperature is the average amount of energy
of motion of the molecules of a substance. Air temperature is usually measured
with a thermometer. A thermometer works because liquids usually expand when they are heated and contract when they are cooled. When the temperature increases, the liquid moves up, and when the temperature decreasese, the liquid moves down. Heat can be transferred in 3 ways: conduction, convection, and
radiation. Conduction transfers heat by direct contact of molecules within the substance or between substances. Convection is the transfer of heat by the movement of fluid (liquid). Radiation is the direct transfer of energy by electromagnetic waves. THE END!
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