Water Cycle Crossword Puzzle

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Across
  1. 2. when water is heated by the Sun and changes into a gas
  2. 3. percent of the Earth covered in water
  3. 4. when solid or liquid water falls from the sky
  4. 6. the invisible gas created by the Sun
Down
  1. 1. when water cools into a liquid forming clouds
  2. 3. the engine that makes the water cycle go
  3. 5. when water collects in rivers, oceans, lakes