1. Trash-ket ball: Water

2. W-1: SWBAT describe the distribution of water on Earth’s Surface Question 1: What percentage of the Earth’s Surface is covered with water? How much of that water is fresh?

3. W-1: SWBAT describe the distribution of water on Earth’s Surface Question 2: Of the 3% fresh water on Earth, what percentage is available for human use? What is the location of the available water?

4. W-1: SWBAT describe the distribution of water on Earth’s Surface Question 3: Provide three ways cities use surface water

5. W-2: SWBAT describe the relationship between surface water and ground water Question 4: What is the difference between a confined aquifer and unconfined aquifer? Be sure to include types of rock involved!

6. W-2: SWBAT describe the relationship between surface water and ground water Question 5: What is arrow A pointing to? Arrow B? Compare the porosity of zone A to that of zone B. B A

7. W-2: SWBAT describe the relationship between surface water and ground water Question 6: Provide the definition of permeability

8. W-2: SWBAT describe the relationship between surface water and ground water Question 7: What are the factors that affect the level of the aquifer?

9. W-3: SWBAT explain how water is treated so that it can be used for drinking. For the following questions, provide the name of the step that is being described. Bonus Point: Provide which number step it is.

10. W-3: SWBAT explain how water is treated so that it can be used for drinking. Question 8: Layers of sand, gravel, and hard coal filter remaining impurities. What process comes directly after this?

11. W-3: SWBAT explain how water is treated so that it can be used for drinking. Question 9: Unwanted gases that causes odors and reduces tastes are removed What step comes directly before this?

12. W-3: SWBAT explain how water is treated so that it can be used for drinking. Question 10: Flocs are formed. Bacteria and other impurities cling to the flocs, which later settle to the bottom of the tank.

13. W-3: SWBAT explain how water is treated so that it can be used for drinking. Question 11: Define potable

14. W-4: SWBAT describe how dams and water diversion projects are used to manage fresh water resources. Question 12: Explain the relationship between dams and reservoirs.

15. W-4: SWBAT describe how dams and water diversion projects are used to manage fresh water resources. Question 13: What are three positive effects of diverting or stopping the flow of river water?

16. W-4: SWBAT describe how dams and water diversion projects are used to manage fresh water resources. Question 14: What are three negative effects of diverting or stopping the flow of river water?

17. W-4: SWBAT describe how dams and water diversion projects are used to manage fresh water resources. Question 15: How does desalination work? What is one major drawback?

18. W-5: SWBAT compare and contrast point source and non- point source pollution Question 16: What are the two major causes of water pollution?

19. W-5: SWBAT compare and contrast point source and non- point source pollution Question 17: What is the difference between point source and non-point source pollution? Bonus: Which one is harder to clean up and why?

20. W-5: SWBAT compare and contrast point source and non- point source pollution For each of the following examples, categorize the pollution as point source or non-point source pollution

21. W-5: SWBAT compare and contrast point source and non- point source pollution Question 18: A plastics manufacturer dumps chemicals into a nearby creek.

22. W-5: SWBAT compare and contrast point source and non- point source pollution Question 19: Household chemicals are flushed down the drain of a sink or toilet.

23. W-5: SWBAT compare and contrast point source and non- point source pollution Question 20: While in a boat, Reyes tosses his plastic cup into the lake.

24. W-6: SWBAT describe various causes of water pollution and their related consequences Question 21: What is artificial eutrophication and what are some of the causes?

25. W-6: SWBAT describe various causes of water pollution and their related consequences Question 22: Describe the source of most ocean pollution, is it point-source or non- point source?

26. W-6: SWBAT describe various causes of water pollution and their related consequences Question 23: If the concentration of gasoline is 3 ppm in 650,000 L of water, how many liters of gasoline are there in the water?

27. W-6: SWBAT describe various causes of water pollution and their related consequences Question 24: What percent of ocean pollution comes from activities on land?

28. W-6: SWBAT describe various causes of water pollution and their related consequences Question 24: What is biomagnification and why is it harmful to humans?