Across
- 3. the way water travels
- 4. two of these make water
- 6. water on the surface
- 8. found in matches
- 13. plants evaporation
- 15. nitrogen compounds are oxidized
- 16. makes up 70% of our atmosphere
- 17. what we breathe in
Down
- 1. the removal of nitrogen
- 2. how carbon travels
- 5. dry ice
- 7. water in the ground
- 9. when water turns into water vapor
- 10. when clouds form
- 11. diamond is a form of this
- 12. how nitrogen travels
- 14. eg. rain, snow, sleet