Across
- 1. John Dalton said all of them are invisible
- 2. Something we regularly drink
- 4. dioxide Something trees breath
- 6. It can be toxic
- 9. How far something can stretch
- 10. The solid of water
- 13. Gas into a liquid
- 14. It turns a liquid into a solid
- 15. Protects your eyes
- 17. You can drink it
- 18. It's everywhere
Down
- 1. You wear it to keep your uniform clean
- 3. Something we breath
- 5. You can put liquids in the to boil
- 7. What something feels like
- 8. The flow of something
- 11. Water into gas
- 12. It makes water into steam
- 16. The particles are stiff