Name: ______Date:______Period:______
Water Use and Management (11-2)
Directed Reading
1. Define the following terms:
a. Potable water-
b. Pathogen-
c. Irrigation-
d. Dam-
e. Reservoir-
f. Desalination-
2. What are the three major uses of water?
3. What does a desalination plant do?
4. What is most of the fresh water used for globally?
5. What are three ways to prevent a water shortage?
6. How much water (%), globally, is used by households for drinking and washing?
7. In the United States, about how much water is used by each household for landscaping?
8. How much water is used by the average person in the United States? (Liters)
9. What is the technique called that designs landscapes that require minimal water use?
10. What are the six stages of a water treatment plant?
11. What is a drip irrigation system?
12. What happens during the coagulation stage of a water treatment plant?
13. What are three negative consequences of a Dam?
14. Which continent uses more water for industry than for agriculture?
15. When a dam is built, what happens behind the dam?
16. What happens during the Aeration stage of a water treatment plant?
17. How much of the world’s electricity is generated by hydroelectric dams?
18. How much water is needed to produce 1KG of aluminum?
19. What is a water diversion project used for? Give an example?
20. In the United States, what is the most common form of irrigation?
21. From 1950 to 1980, Israel reduced the amount of water loss in agriculture from 83% to 5%, mainly by switching from overhead sprinklers to water-saving methods such as drip irrigation. If a small farm uses 10,000 L of water a day for overhead sprinkler irrigation, how much water would be saved in one year by using a Drip Irrigation system that consumes 75% less water? (5% of the Grade)
22. Describe the water treatment process? (10% of the Grade)