Cycles in Nature

1234567891011
Across
  1. 4. Phase that creates clouds
  2. 5. The product of respiration
  3. 7. The other part of the Carbon Cycle
  4. 8. One of two parts of the Carbon Cycle
  5. 9. Nitrogen must be converted into a useful form by this
  6. 11. Plants use nitrogen to make this
Down
  1. 1. This cycle deals with the combustion of fossil fuels
  2. 2. Something that plankton release in the ocean
  3. 3. These put carbon back into the soil by breaking down dead animals or plants
  4. 6. Step in the nitrogen cycle where bacteria convert nitrates back into nitrogen gas
  5. 10. Most nutrients make their way into lakes, rivers, and streams during this phase of the water cycle