Across
- 5. No atmosphere in its cycle
- 10. Coverting atmosphereic nitrogen to usable compounds
- 11. Break down oxygen and release carbon dioxide
- 14. Water gets hot and does this
- 15. Taking in nutrients
- 16. Gas to liquid cycle
- 17. When plants take light and turn it into chemical energy
Down
- 1. Breaking down matter
- 2. Breaking down/dissolving rocks and minerals on Earth into smaller pieces.
- 3. Forms the basis of living tissues
- 4. Water that moves over the land's surface
- 6. Soil and water convert nitrate and nitrite into nitrogen gases
- 7. Soil bacteria convert toxic ammonia into nitrates and then nitrites
- 8. Solid particles in a liquid or gas settle and accumulate at the bottom due to gravity.
- 9. Lake-like space used to store
- 12. Microorganisms break down nitrogen from plants and animals into ammonia or ammonium ions.
- 13. Water cools down and does this