Across
- 6. solid to gas
- 7. individual molecules moving off the surface of a liquid into the air above
- 9. the smallest unit of matter which retains all the properties of that element
- 10. solid to liquid
- 11. a state of matter where the atoms slide over and around each other
- 13. anything that has mass and takes up space
- 14. how particles change position or arrangement
Down
- 1. liquid to gas
- 2. gas to liquid
- 3. a state of matter where the atoms or molecules are held very closely together
- 4. a state of matter where the molecules are high energy and move freely
- 5. the everyday term for thermal energy
- 8. collections of atoms forming a new, stable substance
- 12. liquid to solid