 | Term | Definition |
| |
physical properties |
the characteristics of a substance that can be observed without changing the identitiy of substance |
| |
density |
the measurement of the amount of matter present in a given volume of a subtance |
| |
physical change |
a change in any physical property of a substance, not the substance itself |
| |
chemical properties |
things that describe how substances can form new substances |
| |
chemical change |
the change of one substance into another substance |
| |
melting |
the process by which a solid becomes a liquid |
| |
melting point |
the lowest temperature at which a subatnce begins to melt |
| |
freezing |
the process by which a liquid becomes a solid |
| |
freezing point |
th temperature at which a specific liquid becomes a solid |
| |
evaporation |
the process by which a liquid becomes a gas |
| |
sublimation |
the process by which a solid changes directly to a gas |
| |
boiling |
another process by which a liquid becomes a gas |
| |
boiling point |
the temperature at which boiling occurs |
| |
condensation |
the process by which a gas changes its state to a liquid |
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