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Phy. Sci
Chapter 16 vocab
12
Other
9th Grade
10/25/2006

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Term
buoyancy
Definition
ability of a fluid to exert an upward force on an object immersed in the fluid.
Term
pressure
Definition
amount of force per unit of area.
Term
viscosity
Definition
a fluid's resistance to flow.
Term
pascal
Definition
SI unit of pressure.
Term
kinetic theory
Definition
expation of the behavior of molecules in matter.
Term
melting point
Definition
the temp.at which a solid begins to liquefy.
Term
heat of fusion
Definition
energy needed to change a solid to a liquid.
Term
heat of vaporiztion
Definition
amount of energy needed to turn a liquid to a gas.
Term
boiling point
Definition
the temp at which a liquid boils.
Term
diffution
Definition
the spredding of particles through out a unit.
Term
plasma
Definition
a high temp. gas.
Term
thermal expation
Definition
the increase of size of a substance.
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