Chapter Four

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Across
  1. 3. only planet where water in liquid form exists
  2. 5. small or shallow lakes
  3. 9. the second layer of the ocean
  4. 10. where salt and fresh water meets
  5. 11. land areas where water covers the surface for a period of time
  6. 13. scientists that specializes in hydrogeology
  7. 15. smaller streams
  8. 17. the amount of the salt content or concentration
  9. 18. field of geology that deals with flow of groundwater
Down
  1. 1. the 2.5% percent of earth's total water
  2. 2. total amount of empty pore spaces in the rock
  3. 4. the conversion of gas into a liquid
  4. 6. liquid turned solid
  5. 7. a soil or sediment that is frozen for 2 consecutive years
  6. 8. a natural event where a dry area is submerged under water
  7. 12. evaporation of water from leaves and stems
  8. 13. makes up about 71% of earth's system
  9. 14. large inland bodies of fresh or saline water
  10. 16. a moving body of surface water
  11. 19. a permanent body of ice