Earth's Spheres and Cycles: Thomas Vipond

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Across
  1. 3. all the planet's living or once living things
  2. 4. is hard rock at and just below earths surface; outermost layer of the geosphere
  3. 6. water returning to earths surface from atmosphere, rain,snow
  4. 7. process when phosphorus is added to bodies of water leading to an overgrowth of producers
  5. 10. layers of rock and soil that hold groundwater
  6. 12. large plates of lithosphere
  7. 13. process of depositing eroded soil to a new place
  8. 14. layer of hot rock just below earth's crust
  9. 16. made of all the rock at and below earths surface
Down
  1. 1. all water of earths surface
  2. 2. plants releasing water vapor from their leaves
  3. 5. _______ _______ is the conversion of nitrogen gas into ammonia
  4. 8. producers making their own food from sun energy
  5. 9. type of loop that can be positive or negative
  6. 11. layers of gasses surrounding our planet
  7. 15. type of respiration that is the chemical reverse of photosynthesis