| A | B |
| matter | anything that takes up space and has weight |
| solid | a form of matter that has its own shape |
| liquid | a form of matter that fills the bottom of the container first |
| gas | a form of matter that is often invisible and spreads out to fill the container |
| molecules | tiny particles that make up matter |
| mass | the amount of matter an object has, its weight (balance scale) |
| volume | the amount of space an object takes up (measuring cup) |
| study hard! | study hard! |