Earth’s Spheres and Cycles: Keely Winters

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Across
  1. 3. a layer of very hot but mostly solid rock.
  2. 5. cycle of events
  3. 8. the introduction of phosphorus and nitrogen into a body of water that leads to an overgrowth of algae and other producers.
  4. 9. is the hard rock on and just below earths surface- the outermost layer.
  5. 11. the process by which primary produces use sunlight to convert carbon dioxide and water into sugars,releasing oxygen.
  6. 12. made of all rock at and below earths surface.
  7. 13. consists of all plant's living or once living things and the nonliving parts of the environment.
  8. 14. a spongelike formation of rock,sand,or gravel that holds water
  9. 15. consists of the layers of gases surrounding our planet.
  10. 16. the conversion of nitrogen gas into ammonia.
Down
  1. 1. the movement and accumulation of eroded soil
  2. 2. the release of water vapor by plants through their leaves
  3. 4. as the atmosphere moves,it drags along large plates of lithosphere
  4. 6. encompasses all water-salt,fresh, liquid,ice and water vapor on earths surface underground, and in the earth atmosphere.
  5. 7. is the process by which organisms use oxygen to release the chemical energy of sugars and release CO2 and water.
  6. 10. water returns from the atmosphere to earths surface