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7 2.3 Change State
Change of state
| Term | Definition |
|---|---|
| Boiling | when vigorous bubbling appears |
| Boiling Point | the temperature at which a liquid boils: 100 C for water at sea level |
| Condensation | removal of heat, changing a gas into a liquid |
| Deposition | a gas changing directly into a solid |
| Evaporation | heat changing a liquid into a gas |
| Freezing (solidification) | removal of heat: changing a liquid into a solid |
| Freezing point | the temperature at which a substance freezes: 0 C for water |
| Melting | heat changing a solid into a liquid |
| Melting Point | the temperature at which a substance melts: 0 C for ice to water |
| Steam | condensation of water vapour, forming a visible fog of water droplets |
| Sublimation | a solid changing directly into a gas |