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Across 1. underground layer of rock or sediment that holds water 4. look like flooded forests with trees and shrubs 6. groundwater bubbles or flows out of the cracks in rocks 8. land that supplies water to a river system 10. a river and all its tributaries 11. one of the tributaries of the Mississippi 14. an example of an impermeable substance 15. water changes from a vapor to a liquid 16. the size of the ____ in the ground determine how water moves underground 17. plants lose water through these 20. precipitation may fall on land and soak in and become _____ 21. common in color regions, acidic water and mosses grow here 22. 2/3 of the 3% of freshwater is found in this form 24. chemical added to water to kill microorganisms 28. the Continental Divide follows these mountains 30. process of supplying water to areas of land to make them suitable for crops 31. type of hot spring from which the water periodically erupts 32. practice of using less of a resource so it will not be used up 33. force that moves water from the surface to the groundwater 37. type of pollution that can not be tied to a specific source of pollution 39. stiky globs 41. water changes from a liquid to a vapor 42. tall strong grasses grow in their rich muddy bottoms 45. using screens to remove larger items like leaves and fish 47. smaller rivers that run into a larger river 48. lake that is the beginning of the Everglades 49. type of well that uses pressure to bring water to the surface 50. place where an organism lives and obtains everything it needs to survive 51. Everglades are found in this state 52. `continuous process by which water moves from Earth's surface to atmosphere 53. type of bacteria found in animal wastes

Down 2. floating chunks of ice 3. heavy drops of water fall back to Earth as this 5. southeastern coast of US, trees have thick tangled roots 6. some ponds only form in this season 7. area that is covered with water during part or all of the year 9. this process may form a pond (2 words) 12. the water cycle is driven by the energy from this source 13. amount of a substance in a certain volume of another 18. wetlands act as natural water _____ 19. grassy areas covered by shallow water or streams, contains cattails 23. ponds lose water through this process 25. a ridge of land that separate one watershed from another 26. aquifer that stretches from South Dakota to Texas 27. particles stick to alum to remove it from water 29. sunlight can reach the bottom of this body of water 34. forcing air through the water to remove odors 35. plants draw water in through these 36. substances that water can not easily pass through 38. the Everglades are home to many ____ species 40. nearly 20% of all the world's freshwater is found here 42. 97% of all water on earth is ____ 43. lake that stores water for human use 44. chemical added to water to prevent tooth decay 46. clouds need particles of _____ for water droplets to condense onto