Water systems Vocabulary

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Across
  1. 1. the envelope of gases surrounding the earth
  2. 5. the rigid outer part of the earth consisting the crust and upper mantle
  3. 7. its made of two hydrogen atoms and one oxygen atom.
  4. 8. water held underground
  5. 10. a area of land where precipitation collects and drains off
  6. 11. the quality or degree of being saline
Down
  1. 2. all the water on earth's surface, lakes and ponds
  2. 3. the scientific study of water
  3. 4. Warming another name for climate change
  4. 6. an area that separates water flows
  5. 8. a slow moving mass of ice
  6. 9. the cycle of processes by which water circulates between the earth's oceans and land