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16 Cards in this Set
- Front
- Back
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Temperature
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a measure of how hot or cold something is
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thermal expansion
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the increase in volume due to an increase in temperature
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absolute zero
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the lowest possible temperature
0 Kelvin, -273 C |
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heat
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the transfer of energy between 2 objects that are at different temperatures
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thermal energy
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the total energy of the particles that make up an object
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conduction
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the transfer of energy through direct contact
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conductor
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a substance that conducts thermal energy very well
ex. metal |
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insulator
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a substance that does NOT conduct energy very well
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convection
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the transfer of thermal energy by the movement of a liquid or a gas
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radiation
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the transfer of energy through matter or space as visible light or infrared waves.
ex. the sun, a fire |
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specific heat capacity
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the amount of energy needed to change the temperature of 1 kilogram of a substance by 1 degree Celsius
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states of matter
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the physical forms that a substance can exist in
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change of state
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the change/conversion of a substance from one physical form into another
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insulation
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a substance that reduces the transfer of thermal energy
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heat engine
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a machine that uses heat to do work
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thermal pollution
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the excessive heating of a body of water
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