Across
- 3. made from two compounds
- 5. gas liquid solid
- 9. stuff
- 11. gas to liquid
- 13. substances from a chemical reaction
- 14. spread out
- 15. made from one type of material
- 17. solid to liquid
- 18. amount of matter in a thing that made out of
Down
- 1. not shiny
- 2. atoms
- 4. liquid to gas
- 6. liquid to solid
- 7. made from elements
- 8. solid to gas
- 10. flow around each other
- 11. become denser
- 12. a staring substances in a chemical reaction
- 16. cannot move
- 17. shiny