| Term | Definition |
|---|---|
| matter | anything that has mass and takes up space |
| mass | the amount of matter in an object |
| volume | the amount of space an object takes up |
| density | the measure of the amount of mass in a given volume |
| solid | a substance that has a definite volume but not a definite shape |
| gas | does not have a definite volume or shape |
| freezing | process when liquid is cooled and becomes a solid |
| melting | process when the matter changes from a solid to a liquid |
| evaporation | the process of when a liquid becomes a gas |
| boiling | a rapid change from a liquid to a gaseous state |
| condensation | when the temperature change causes a gas to become a liquid |
| sublimation | process of when a solid changes to a gas with no liquid state between |
| deposition | formation of a solid from a gas without a liquid state in between |
