click below
click below
Normal Size Small Size show me how
Physical Changes
Term | Definition |
---|---|
Physical Properties | A characteristic of a substance can be observed without changing the identity of the substance. |
Physical change | A change in a substance that does not change the substance into a different one. |
Melting point | The temperature at which a substance change from it's solid state to it's liquid state through melting. |
Boiling point | The temperature at which a substance changes from it's liquid state to it's solid state through boiling. |
Freezing point | The temperature at which a substance changes from it's liquid to it's solid state through freezing |
Sublimation | The process by which a substance changes directly from it's solid state to it's gas state without becoming a liquid first. |
Condesation | The process by which a gas becomes a liquid |
Evaporation | A process by which a substance changes from it's liquid state to it's gas state by random particles movement. Evaporation usually occurs at the surface of a liquid over a wide range of temperatures. |