Solids, Liquids, And Gases
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Created by:
nicolecote on January 31, 2012
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12 terms
Terms | Definitions |
|---|---|
 Boiling Point | The temperature at which the pressure of the vapor in the liquid is equal to the external pressure acting in on the surface of the liquid |
| Buoyancy | ability of a fluid- a liquid or a gas- to exert an upward force on an object immersed in the fluid |
| Diffusion | spreading of particles throughout a given volume until they are uniformly distributed |
| Heat of Vaporization | the amount of energy required for the liquid at its boiling point to become a gas |
| Kinetic Theory | explanation of the behavior of molecules in matter states that all matter is made of constantly moving particles that collide without losing energy |
| Melting Point | temperature at which a solid begins to liquefy |
| Pascal | SI unit of pressure |
| Plasma | matter consisting of positively and negatively charged particles |
| Pressure | amount of force exerted per unit ares; SI unit is the pascal (Pa) |
| Thermal Expansion | increase in the size of a substance when the temperature is increased |
| Viscosity | a fluid's resistance to flow |
| Heat of Fusion | amount of energy required to change a substance from the solid phase of liquid phase |
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