Complete the crossword puzzle below

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Across
  1. 2. A small, flowing body of water is called a _____
  2. 6. Rain comes down in small, round _____ of liquid
  3. 11. Water droplets that fall from the sky is called _____
  4. 12. Low-lying cloud made of tiny water droplets
  5. 14. A continuous movement of water, as in a river
  6. 15. Movements of water caused by wind are called _____
  7. 16. Frozen water that falls from the sky in the form of flakes is called _____
  8. 17. The prefix meaning "water" (as in _____electric)
  9. 19. Frozen water
Down
  1. 1. A flow of water over a cliff or steep drop
  2. 2. A _____ is a natural source of water flowing from the ground
  3. 3. A _____ is a flowing body of water that often leads to an ocean
  4. 4. A large body of fresh water surrounded by land
  5. 5. Water vapor that rises when heated
  6. 7. A small pool of water on the ground after it rains
  7. 8. All life forms need _____ to survive
  8. 9. Water that is not salty, like that from rivers or lakes
  9. 10. Water in its gaseous state
  10. 13. To flow out with great force
  11. 14. A mass of water vapor in the sky
  12. 18. A vast body of saltwater covering most of the Earth's surface