1. Watershed Challenge Beaver Water District Watershed Challenge. Beaver Water District Grade Seven Instructions: Launch power point as slideshow. 1.Click on the number of points under a category title. 2.The answer to a question will appear. 3.Say the question that corresponds to the answer. 4.Click on the answer and the correct question will appear. If contestant said the correct answer, he/she will receive the appropriate number of points. 5.Click on Question wording to return to the main game board for the next round of play. 6.When all game board items have been answered (or class time is almost over), click on “Final Challenge” for the final question.

2. 200 300 400 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Chemistry of H 2 O Water Cycle Water Treatment History of Water Treatment Beaver Water District 500 Final Challenge

3. The number of atoms of hydrogen in one molecule of water.

4. What is two?

5. Water is known as the ___ because more substances dissolve in it than in any other substance.

6. What is universal solvent?

7. Total number of atoms in one molecule of water.

8. What is three?

9. Three methods that may be used to separate various mixtures containing water.

10. What are filtration, evaporation, magnetic attraction, settling, chromatography?

11. In a suspension, the clumping together of particles.

12. What is flocculation?

13. Addition of heat energy causes liquid water to become water vapor.

14. What is evaporation?

15. Loss of heat causes water vapor to become liquid water.

16. What is condensation?

17. Process by which clouds are formed.

18. What is condensation ?

19. Examples include: rain snow sleet hail

20. What is precipitation?

21. Number of times the water cycle repeats.

22. What is infinite? (never-ending, repeats over and over again)

23. True or False: Bottled water is safer and better tasting than our tap water.

24. What is False?

25. The step in water treatment in which chemicals are added to kill germs that might cause diseases.

26. What is disinfection? (chlorination)

27. The step in water treatment in which contaminants that did not settle out are trapped in layers of materials as the water passes through the layers.

28. What is filtration? (filtering)

29. Settling out of large particles in a suspension.

30. What is sedimentation?

31. Element added to water to help prevent tooth decay.

32. What is fluorine?

33. The main reason for early water treatment was to produce water that __.

34. What is tasted good?

35. In 1854 John Snow applied this disinfectant to water to curb a cholera epidemic.

36. What is chlorine?

37. The act that requires municipalities to remove most wastewater and industrial pollution before discharging the water back into waterways.

38. What is the Clean Water Act?

39. The name of the dam that forms the lake for our water supply.

40. What is Beaver Dam?

41. Ancient civilizations established themselves around __.

42. What is water sources? (streams, lakes, rivers)

43. The primary source of drinking water for cities in Northwest Arkansas.

44. What is Beaver Lake? (Beaver Water District)

45. Land that drains water to a common area.

46. What is a watershed?

47. Cloudiness in water.

48. What is turbidity?

49. The primary pollutant threatening the water quality in the West Fork of the White River.

50. What is sediment?

51. The watershed (name of the river) in which Beaver Lake is located.

52. What is White River Watershed?

53. Write your final challenge wager.

54. Where the water that drains off your street eventually goes.

55. What is rivers, streams, and lakes?