Watershed Puzzle

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Across
  1. 2. a ride or high ground that separates one watershed from another
  2. 5. water vapor leaving plant leaves
  3. 7. water molecules meeting over substances
  4. 9. chemical substance added to soil or land to speed up plant growth
  5. 12. where the mouth of freshwater meets the ocean
  6. 14. water vapor forms back into liquid
  7. 15. saturated area below the water table
  8. 16. making something harmful by contact with something unclean or bad
  9. 18. water changing from liquid to gas
  10. 20. water molecules meeting other water molecules
Down
  1. 1. water can easily pass through
  2. 3. area of land providing water to a river
  3. 4. substances that provide the raw materials and energy needed for an organism to carry out essential progress
  4. 6. contamination of earth's land water and air
  5. 8. water under the surface in pores of soil
  6. 10. storing of water
  7. 11. water released from clouds in various ways
  8. 13. a smaller stream flowing into a bigger one
  9. 17. draining away of water over a surface
  10. 19. the process of soil being worn away and carried off by water