Across
- 2. Thin layer of gas around the earth
- 3. where cells use oxygen to produce energy from food
- 5. Process that requires Something that needs oxygen
- 8. A green pigment found in plants
- 9. site of photosynthesis
- 11. Energy
- 13. Something that breaks down
- 16. where water is
- 17. Something that makes its own food
- 18. Where most rocks are found below the earth surface
- 19. Calvin Cycle
- 20. Something that makes the most ATP
Down
- 1. A chemical reaction on sugar and yeast
- 4. C6
- 6. We all life on earth lives
- 7. something that can not make is own food
- 10. Something that does not need oxygen
- 12. anything that was mass or takes up space
- 14. A lower-energy molecule
- 15. Something made in a chemical reaction