Across
- 3. force of gravity
- 5. different that matter can exist
- 8. amount a three- dimensional space an object takes up
- 9. smallest particle of an element
- 11. substance of two or more substances
Down
- 1. anything with mass and volume
- 2. measure of how much matter
- 4. definite volume doesn't have a definite shape
- 6. a substance that cannot be broken down
- 7. group of atoms move as a single unit
- 10. definite shape definite volume
- 12. two or more substances remain the same substance