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15 terms

Science Vocab

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temperature
measure of average kinetic energy of individual particles in an object
thermal energy
total energy of all of the particles in an object
heat
movement of thermal energy form a substance at a higher temperature to a substance at a lower temperature
conduction
process when heat is transferred from one particle to another without movement of matter
convection
movement that transfers heat within liquid
convection current
circular flow when hot water rises and cool water takes its place
radiation
transfer of energy by electromagnetic waves
conductor
material that conducts heat well
insulator
material that does not conduct heat well
specific heat
amount of energy required to raise the temperature of 1 kg of a substance by 1 kelvin
melting
change of state from solid to liquid
melting point
temperature at which solid becomes liquid
freezing
change of state from liquid to solid
vaporization
change of state from liquid to gas
evaporization
vaporization on the surface of a liquid