Chapter 11 worksheet

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Name ______________________________________ Date _______________________ Hour _____________
Chapter 11 Water
Section 1: Water Resources
Key Terms
1. Surface water
2. River system
3. Watershed
4. Groundwater
5. Aquifer
6. Porosity
7. Permeability
8. Recharge zone
Section Review Questions
1. Describe the distribution of water on Earth. Where is most of the fresh water located?
2. Explain why fresh water is considered a limited resource.
3. Explain why pollution in a watershed poses a potential threat of the river system that flows through it.
4. Describe how water travels through rock.
5. Read the description of aquifers. Why is an underground lake an aquifer?
6. Describe the relationship between groundwater and surface water in a watershed. What human activities in a
recharge zone can affect the groundwater?
Section 2 Water Use and Management
Key Terms
1. Potable
2. Pathogen
3. dam
4. Reservoir
5. Desalination
Section Review Questions
1. Describe the patterns of global water use for each continent shown in the bar graph in Figure 5.
2. Describe the drinking water treatment process in your own words.
3. Describe the benefits and costs of dams and water diversion projects.
4. List at least three things you can do to help conserve the world’s water supply.
5. Write a description of the evaporative method of desalination using terms from the water cycle.
6. Describe three ways that communities can increase their freshwater resources.
Section 3 Water Pollution
Key Terms
1. Water pollution
2. Point-source pollution
3. Nonpoint-source pollution
4. Wastewater
5. Artificial eutrophication
6. Thermal pollution
7. Biomagnification
Section Review Questions
1. Explain why point-source pollution is easier to control than nonpoint-source pollution.
2. List the major types of water pollutants. Suggest ways to reduce the levels of each type of pollutant in a water
supply.
3. Describe the unique problems of cleaning up groundwater pollution.
4. Describe the source of most ocean pollution. Is it point or nonpoint-source pollution?
5. Draw a diagram that shows the biomagnification of a pollutant in an ecosystem.
6. What can individuals do to decrease ocean pollution? Give at least three examples.
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