Water on Earth

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Across
  1. 3. stream or smaller river that feeds into a main river
  2. 5. large-scale ocean circulation that is caused by changes in surface heat and salinity
  3. 8. removal of groundwater exceeds the rate at which it is replenished
  4. 9. doesn't absorb water
  5. 12. excess unabsorbed water from precipitation that enters waterways
  6. 14. land area that supplies water to a river system
  7. 15. movement of water from the ocean to the atmosphere to the land and back to the ocean
  8. 16. Water that fills the cracks and spaces in underground soil and rock layers.
  9. 17. materials that change the temperature of a body of water
  10. 18. the sinking of land caused by groundwater overdraft
  11. 19. process of removing salt from water
Down
  1. 1. lake that stores water for human use
  2. 2. Any form of water that falls to the Earth's surface from the clouds
  3. 4. visible items that pollute water
  4. 6. where water either covers the soil or is present at or near the surface of the soil for at least part of the year
  5. 7. ridge of land that separates one watershed from another
  6. 8. lake in the shape of a U that is formed when a river bend is cut off
  7. 10. the top of the saturated zone
  8. 11. drinkable water
  9. 13. area underground where water fills the aquifer
  10. 16. a system of rotating ocean currents