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Heat Transfer Vocabulary
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A form of energy caused from the random motion of the molecules in the substance.
heat
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What happens to objects when they are heated?
They expand
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Heat moving through liquids and gases.
convection
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Heat always moves from _____ to ______
hot:cold
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a material that easily allows heat to pass through.
conductor
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Heat moving through electromagnetic waves
radiation
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a material DOES NOT easily allow heat to pass through.
insulator
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Which substance expands when cooled and contracts when heated? (The opposite of what normally happens.)
water
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Heat moving by directly touching another object.
conduction
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What happens to objects when they are cooled?
They contract
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