| A | B |
|---|
| gas | has no definite shape or volume |
| liquid | has definite volume but no definite shape |
| solid | molecules are packed the closest together |
| evaporation | liquid changing into a gas |
| condensation | gas changing into a liquid |
| melting | solid changing into a liquid |
| freezing | liquid changing into a solid |
| three | there are _____ states of matter |
| phases | states can also be called ________ |
| matter | anything that has mass and takes up space |
