| A | B |
|---|
| physical property | a characteristic of a substance that can be observed without changing the identity of the substance |
| density | a measure of the amount of matter in a given volume of a substance |
| physical chagne | a change in a physical property of a substance that does not chagne the substance into a different one |
| chemical property | a characteristic of a substance that describes how it can form a new substance |
| chemical change | a 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 substance starts of melt |
| freezing | the process by which a liquid becomes a solid |
| freezing point | the temperature at which a specific liquid becomes a solid |
| evaporation | a process by which a liquid becomes a gas |
| sublimation | the process by which a solid chages directly into a gas |
| boiling | a process by which a liquid becomes a gas |
| boiling point | the temperature at which a substance changes from its liquid state to its gas state through the production of bubbles inside the liquid |
| condensation | the process by which a gas becomes a liquid |
