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14 terms

Vocab chpt6 sect3

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state
three forms in which matter exists, solid,liquid,gas
change of state
physical change of matter from one state to another
melting
change from solid to liquid form of matter
melting point
temp at whichsubstance melts
freezing
change from liquuid to solid form of matter
freezing point
temp at which a substance freezes
vaporization
change from liquid to gaseous form of matter
evaporation
vaporization that occurs at the surface of a liquid
boiling
vaporization that occurs on and below the surface of an object
boiling point
temp at which a liquid substance boils
condensation
change from gas to liquid form of matter
thermal expansion
expansion of matter when it is heated
thermostat
device that regulates temperature
bimetallic strip
a strip made of 2 different metals that expand at different rates, in thermostats