| A | B |
| mass | The amount of matter in something |
| matter | Anything that has mass and volume |
| weight | The amount of gravitational pull on an object. |
| volume | The amount of space something takes up. |
| density | The amount of matter in a specific space. |
| solid | Has a definite shape and volume. |
| liquid | Has a definite volume but does not have a definite shape |
| gas | Has no definite shape or volume. |
| plasma | High energy state of matter. |
| sublimation | A change that goes directly from solid to gas. |
| freezing | Going from a liquid to a solid. |
| evaporation | A change from a liquid to a gas. |