Across
- 6. all matter that makes up the earth
- 7. water or ice moving fragments of rocks and soil
- 9. taking the systems output into consideration
- 12. plants use energy from the sun to transform it into oxygen
- 14. plants absorb water and give water vapor
- 16. cells convert acids into energy
Down
- 1. interior of earth between the core and crust
- 2. surface, living things
- 3. weather where something is falling from the sky
- 4. rock that can contain/transmit ground water
- 5. nutrients running off into water causing lack of oxygen
- 8. nitrogen in the atmosphere is converted to ammonia
- 10. outer part of the earth, like crust and mantle
- 11. small parts of the lithosphere floating
- 13. all water on earth
- 15. gases surrounding the earth
