Water Knowledge!

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Across
  1. 4. someone who wastes water is a?
  2. 7. rain, snow, sleet and hail are all forms of?
  3. 9. water that is underground is called?
Down
  1. 1. someone who saves water is a?
  2. 2. frozen water
  3. 3. trash and chemicals in the water is called?
  4. 5. dirt
  5. 6. liquid that covers 75% of the earth is called?
  6. 8. water that flows over the land is called?
  7. 9. where should you wash your car?