The Carbon Cycle

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Across
  1. 2. a gas that contributes to the greenhouse effect
  2. 3. the process of burning something
  3. 6. the breakdown of glucose by enzymes
  4. 8. when plants make their form of food
  5. 11. Carbon dioxide the gas form of carbon.
  6. 12. the process of photosynthesis that does use light
  7. 15. a natural fuel formed in the ground from the remains of living organisms.
  8. 17. the acronym for the Electron Transport Chain
  9. 18. the sphere for life
  10. 19. molecule Any molecule that contains carbon.
  11. 20. When plants or animals release CO2 into the atmosphere to make sugars.
Down
  1. 1. When dead plants or animals get broken down
  2. 4. the sphere for air
  3. 5. A cycle that sets up for the Electron Transport Chain
  4. 7. Where carbon goes into water
  5. 9. the process of photosynthesis that doesn't use light
  6. 10. the sphere for rocks
  7. 13. the sphere for water
  8. 14. the act of eating for energy
  9. 16. the process of the earth warming up