Sc7: pp 136-137

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Across
  1. 8. the only planet with large amounts of water
  2. 11. store water in places called pores
  3. 13. is made mostly of water
  4. 14. found under Earth's surface
  5. 15. dirty, contaminated water makes us feel like this
  6. 16. influences where and when farmers grow crops and where ppl can build cities
  7. 17. this is the percentage of Earth's water that is fresh
  8. 19. are dug into aquifers to reach the water
  9. 20. need lots of fresh water
  10. 21. carry water from groundwater or surface waters so people can use the water
Down
  1. 1. body of water above the ground
  2. 2. this is the percentage of Earth's water that is salty
  3. 3. access to this is important for good health
  4. 4. a natural resource that cannot be replaced at the rate at which it is used
  5. 5. fresh water may fall directly as this
  6. 6. the fraction of Earth's fresh water that is frozen as ice and snow
  7. 7. growth of towns and cities that results from movement from rural to urban areas
  8. 9. measure of how clean or polluted water is
  9. 10. vital for life
  10. 12. need clean water for life and good health
  11. 18. amount of people around the world who depend on fresh water the is taken from rivers and fresh water lakes