The Nitrogen Cycle

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Across
  1. 1. produces heat
  2. 4. beans, peanuts and peas for example
  3. 5. helps give nutrients to plants
  4. 10. NO
  5. 11. process of converting nitrogen gas to nitrates
Down
  1. 2. NO
  2. 3. breaking down of dead things
  3. 5. also known as nitrification
  4. 6. Decomposer
  5. 7. NH
  6. 8. one of the building blocks of all plants & animals
  7. 9. holds plants in the ground