Across
- 2. the amount of space an object takes up
- 3. particles are close together
- 6. particles bounce around
- 7. make up elements
- 9. particles can slip past each other
- 11. liquid to a solid
Down
- 1. liquid to a gas
- 4. how tightly packed the particles are in an object
- 5. total amount of matter in an object
- 8. solid to a liquid
- 10. the force of gravity between Earth and an object