Charlie's science crossword puzzle

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Across
  1. 2. where water is absorbed
  2. 7. a book sitting on the edge of a shelf
  3. 10. water is attracted to water
  4. 11. hottest layer
  5. 13. where planets are revolving around earth
  6. 14. when water travels down a mountain
Down
  1. 1. where rain comes from or falls down
  2. 3. where weather happens
  3. 4. land area that supplies water
  4. 5. earth and mercury
  5. 6. what we breath
  6. 8. a baseball flying through the air
  7. 9. 75% of earth is covered with it
  8. 12. salt and fresh water mix