Cycles of Matter

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Across
  1. 1. the continuous movement of water within the Earth and atmosphere
  2. 3. The process where plants make their own food
  3. 5. The process of turning from a liquid into vapor
  4. 7. Rain, snow, sleet, or hail that falls to the ground
  5. 8. A chemical that takes up 78 percent of the atmosphere
  6. 9. the cycle whereby atmospheric oxygen is converted to carbon dioxide in animal respiration and regenerated by green plants in photosynthesis.
Down
  1. 2. The process of breathing
  2. 4. The process of turning vapor turning into water
  3. 6. A repeating cycle of processes during which nitrogen moves through both living and non-living things