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Chapter 16 vocabEO

Definitions

TermDefinition
Kinetic Theory A explanation of how particles in matter behave.
Melting Point The temperature at which a solid begins to liquefy.
Heat of Fusion The amount of energy required to change a substance from the solid place to the liquid phase at its melting point.
Boiling Point The temperature at which the pressure of the vapor in the liquid is equal too the external pressure acting on the surface of the liquid.
Heat of Vaporization The amount of energy required for the liquid at its boiling point to become a gas.
Diffusion The spreading off particles throughout a given volume until they are uniformly distributed.
Plasma Matter consisting of posititevly and negatively charged particles.
Thermal Expansion A increase in the size of a substance when the temperature is increased.
Buoyancy The ability of a fluid, a liquid, or a gas-to exert an upward force on an object immersed in it.
Pressure Force exerted per unit area. or P=F/A.
Viscosity The resistance to flow by a fluid.
Pascal The unit that pressure is measured in. (Pa), the SI unit of pressure.
Created by: erikaoberhelman
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