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Chapter 16 PS vocabt

TermDefinition
Kinetic theory an explanation of how particles in matter behave
melting point a solid begins to liquefy
heat of fusion amount of energy required to change a substance from the solid phase to the liquid phase
boiling point the temperature at which the pressure of the vapor in the liquid is equal to the external pressure used to detect the paths of charged particles
heat of vaporization the amount of energy required for the liquid at its boiling point to become a gas
diffusion spreading of particles throughout a given volume until they are uniformly distributed
plasma matter consisting of positively and negatively charged
thermal expansion 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
viscosity resistance to flow by a fluid
pascal the SI unit of pressure
Created by: TonyC
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