| A | B |
|---|
| solid | molecules are close together |
| liquid | molecules are not as close together |
| gas | molecules are very far apart |
| molecule | a particular combination of atoms that form a compound |
| element | a substance whose atoms are all the same kind |
| matter | what all things are made of |
| compound | a combination of elements |
| particle | a tiny piece |
| evaporate | to turn from liquid to gas |
| atoms | microscopic particles of matter that are smaller than molecules |
