Across
- 6. matter that has unique chemical and physical properties
- 7. a change in matter that involves formation of a new substance
- 8. matter changing from a solid directly to a gas
- 10. anything that has mass and takes up space
- 11. a change in matter from a liquid to a solid
- 12. a change from a gas to a liquid
- 13. the ability to move matter or do work
Down
- 1. matter changing from a liquid to a gas without boiling
- 2. a combination of atoms bonded together
- 3. the smallest particle of an element
- 4. matter changing from a gas directly to a solid
- 5. a change that does not involve forming a new substance
- 9. the average kinetic energy of a sample of matter