| A | B |
|---|
| liquid | has indefinite shape and definite volume |
| sublimation | going directly from a solid to a gas state |
| energy | lost or gained during a change of state |
| density | how closely packed together molecules are in an object |
| deposition | going from a gas directly to a solid state |
| water | can change from steam to water |
| volume | the amount of space that an object or substance occupies |
| mass | a measure of the amount of matter in an object |
| melting | what happens when a solid changes to a liquid |
| evaporation | what happens when a liquid changes to a gas |
| solid | has definite shape and definite volume |
| change of state | what happens when something changes from a solid to a liquid |
| molecules | the smallest unit of a substance that can exist alone and retain the character of that substance |
| matter | anything that has mass and takes up space |
| dry ice | solid carbon dioxide |
| freezing | going from a liquid to a solid |
| gas | has indefinite shape and indefinite volume |
| condensation | occurs when gas changes to a liquid |
| atom | basic unit of matter |
| particle | a tiny piece of anything |
