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vocab
school
Term | Definition |
---|---|
Altitude | Vertical distance, or elevation, above sea level. |
Boil | Change from liquid to a gas. |
Boiling point | The temperature at which boiling occurs. |
Freeze | Change from a liquid to a solid . |
Freezing point | The temperature at which freezing occurs. |
Gas | Phase in which matter has no definite shape or volume. |
Gas properties | Will expand to fill any container; can be compressed; molecule relatively far apart and move freely. |
Water vapor | Water in the gas phase . |
Liquid | Phase in which matter has definite volume but no definite shape. |
Liquid properties | 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. |
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 cannot move freely. |
Ice | Water in the solid phase |
Thermal energy | Energy in the form of heat |
Vaporazation | Rapid change from liquid to gas. |
Condensation | Change from gas to liquid. |
Sublimination | Change from solid to gas |
Evaporation | Slow change from liquid to gas. |
Deposition | Change from gas to solid |