Across
- 3. matter that has neither a fixed volume nor a fixed shape
- 6. anything that has mass and takes up space
- 8. when matter changes directly from gas to solid
- 9. matter that has a fixed volume and a fixed shape
- 11. matter that has a fixed volume but not a fixed shape
- 12. When a liquid loses enough heat energy, its molecules slow down and move closer together
- 13. when a liquid changes into a gas
Down
- 1. when a solid become a gas
- 2. change takes place when an object gains or loses heat energy
- 4. when a gas becomes a liquid
- 5. particles that are bonded together
- 7. when a solid becomes a liquid
- 10. an explanation of how particles in matter behave