| WORD |
DEFINITION |
| property of an object | mass, volume and shape |
| property of a substance | always the same; freezing point, boiling point, density, solubility |
| charactertistic property | describes the substance of which an object is made, not the object |
| freezing point | temperature at which a liquid becomes solid |
| melting point | temperature at which a solid become liquid |
| boiling point | temperature at which a liquid changes to gas |
| condensation point | temperature at which a gas changes to liquid |
| phase change | change from liquid, solid or gas to another phase |
| evaporation | process where a liquid changes to gas |
| density | mass per unit volume; characteristic property of a substance |
| ratio | one value divided by another; for example, density is the ratio of mass to volume |
| sea level | the altitude of the ocean; Boulder is at 5,450 feet above sea level |
