Cycles of the Earth Review

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Across
  1. 2. When water falls from clouds over land and water.
  2. 4. Precipitation can fall as rain, sleet, snow, and ________
  3. 6. The change from liquid to a gas in form of water vapors.
  4. 7. When consumers use energy they release carbon dioxide as
  5. 9. This is the energy source for the water cycle
  6. 10. When a gas changes to a liquid.
  7. 11. As plants grow they absorb this form of nitrogen to make _______
  8. 12. The continuous movement of water between Earth’s surface and air
  9. 13. When it rains water flows over land and water.
Down
  1. 1. Nitrogen can come from ________ that are added to the soil
  2. 3. Water is constantly evaporating from the leaves of plants. This is called
  3. 5. The continuous circulation of nitrogen from air to soil and back
  4. 8. The circulation of oxygen and carbon dioxide.