Across
- 4. any object that has mass and takes up space
- 5. most atoms on earth
- 6. what expands matter
- 8. least amount of atoms
- 10. how do you go from liquid to gas
Down
- 1. belief that atoms are in constant motion
- 2. what isn't matter
- 3. most atoms in the universe
- 7. 2nd least amount of atoms
- 9. definite shape