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Phase Changes
Question | Answer |
---|---|
vertical distance, or elevation, above sea level. | Altitude |
change from a liquid to a gas | Boil |
the temperature at which boiling occurs | Boiling Point |
Change from a liquid to a solid | Freeze |
The temperature at which freezing occurs. | Freezing Point |
A phase in which matter has no definite shape or volume | Gas |
will expand to fill any container; can be compressed; molecules relatively far apart and move freely. | Gas Properties |
water in the gas phase. | Water Vapor |
a phase in which matter has definite volume but no definite shape. | Liquid |
Will take the shape of a container, but cannot expand, or be compressed; molecules in a liquid move randomly but stay close to one another | Liquid Properties |
Change from a solid to a liquid | Melt |
The temperature at which melting occurs. | Melting point |
a state of matter with certain physical properities | Phase |
a phase in which matter has a definite shape and a definite volume | Solid |
will retain the same shape and volume in any container; atoms are held in a rigid structure and can not move freely | Solid Properties |
Water in the solid phase. | Ice |
Energy in the form of heat. | Thermal Energy |
Rapid change from liquid to a gas. | Vaporization |
change from a gas to a liquid | Condensation |
change from a solid to a gas | Sublimation |
slow change from a liquid to a gas | Evaporation |
change from a gas to a solid | Deposition |