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Heat Quiz

Thermal Energy amount of heat caused by the motion of atoms in a substance
Coldness lack o f heat
Heat moves from _____________________ to ______________________ objects. hot - cold
Temperature measure of the average kinetic energy of the particles in an object
Thermal Expansion an increase in the size of a substance in response to an increase in its temperature.
Absolute Zero The lowest temperature in the Kelvin Scale - all molecular motion stops.
Phase Change the change of a substance from one phase of matter to another
Melting Point temperature at which a solid changes to a liquid - 0 degrees - gaining heat
Freezing Point temperature at which a liquid changes to a solid - 0 degrees - losing heat
Boiling Point temperature at which a liquid changes to a gas - 100 degrees
Latent Heat the amount of energy absorbed or released by a substance during a phase change that occurs without changing its temperature
Latent Heat of Vaporization amount of energy absorbed during boiling, or released during condensation
Latent Heat of Fusion amount of energy absorbed during melting, or released during freezing
Boiling Point of Water 100 degrees Celsius
Freezing Point of Water 0 degrees Celsius
Created by: cbeltrani