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