Chapter 13 Graphic Organizer/Questions

Name: ______Date: ______Assignment #: _____

Directions: Choose any 10 questions from the list below and answer them as thoroughly as possible.

1)  From the Core Case Study: Summarize the “The Colorado River Story” in 5 complete sentence bullets.

2)  Explain why access to water is a health issue, an economic issue, a national and global security issue, and an environmental issue. What percentage of the earth’s freshwater is available for us?

3)  Draw a picture/visual illustrating the following terms: groundwater, zone of saturation, zone of aeration, water table.

4)  Define: virtual water, how much “virtual water” is used to manufacture a pair of blue jeans? (in gallons)

5)  What is the Ogallala aquifer, where is it located? Water is being drawn from the Ogallala aquifer ______times faster than the ______rate. From Figure 13-11, what is happened here?

6)  Name at least 3 advantages and 3 disadvantages of large dams. Illustrate how electricity is made from a large dam. Historically, _____ % of the Colorado River is withdrawn to irrigate crops and raise livestock.

7)  Where is the Aral Sea located? Summarize what happened to the Aral Sea in no less than 3 complete sentence bullets. List at least 2 detrimental effects of the loss of the Aral Sea. What positive signs/trends are occurring?

8)  What is desalinization? Is desalinization feasible? Explain. What company sees desalinization as a potential growing business?

9)  Name the three major types of irrigation, gives their water sources, and their efficiencies. What has Israel done to slow the waste of irrigation water?

10)  List at least 5 ways to reduce water waste. How can you detect a silent toilet leak? What is “gray water”, and how can it be used?

11)  From the list of “What You Can Do”, from page 339 – choose the one item that would be the simplest to complete and explain how.

12)  Distinguish between a floodplain and a watershed. How can floods (or the risks of floods) be reduced? Name at least 2 benefits of floods. List 2 reasons why humans have caused an increase in flood damage. Where and how does the floods damage that occurs in Bangladesh originate.