| A | B |
| matter | anything that has mass and volume |
| property | characteristic of a substance |
| mass | amount of matter in an object |
| inertia | tendency of an object to remain in motion |
| weight | gravity's force of attraction on an object |
| gravity | force of attraction that depends on the mass of an object |
| volume | amount of space an object takes up |
| milli- | metric prefix meaning 0.001 |
| kilo- | metric prefix meaning 1,000 |
| centi- | metric prefix meaning 0.01 |