| A | B |
| molecule | two or more atoms that are joined together |
| gas | has no definite shape or volume and it's molecules can barely move |
| solid | definite shape and volume and cannot move its molecules |
| polymers | have many atoms in the molecule |
| melting point | the temperature at which something changes from a solid to a liquid |
| boiling point | the temperature at which something boils and changes from a liquid to a gas |
| sublimation | change states directly from a solid to a gas |
| plasma | almost all of the matter of the universe including stars |