PowerPoint Presentation...May 13, 2020 · The transfer of energy, such as heat or an electric...
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Transcript of PowerPoint Presentation...May 13, 2020 · The transfer of energy, such as heat or an electric...
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The transfer of energy, such as heat or an electric charge, through
a substance. In heat conduction, energy is transferred from
molecule to molecule by direct contact; the molecules themselves
do not necessarily change position, but simply vibrate more or less
quickly against each other
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is the transfer of heat by the movement of a fluid
(liquid or gas) between areas of different
temperature. Warm air is less dense than cold air,
and so convection currents can form in the
presence of a temperature gradient
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