Today’s date: _______
Watershed Study Guide
Study Guide Due date: ________
DOK: _________
Please use complete sentences when answering the following questions.
1. The land that supplies water to a river system is called a ______________________.
2. Most of the precipitation in Loudoun County flows into which major river? ____________________.
3. Along with Washington D.C, name all the other states that make up the Chesapeake Bay watershed.
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4. What is Stone hill Middle School’s watershed address?
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4a. Looking at the address above, why do you think is it important to learn about watershed?
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5. Draw a diagram of watershed in the space provided below. Please label the following in your diagram:
Tributaries, headwater, flood plain, divide, flood plain, Main River
6. What is a divide? ______________________________________________________________________
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7. What is the main difference between point source and non-point source water pollution?
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8a. Give 2 examples of point source water pollution ____________________________________
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8b. Give 2 examples of non-point source water pollution ________________________________
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8. How do fertilizers and pesticides that people apply to their yards impact the water supply?
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9. Name the physical indicators of a healthy water system? ___________________________________
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10. What does the water pH below 7 indicate? _____________________________________________
11. What is turbidity and what does it indicate about water quality? _______________________________
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12. What is the difference between biotic and abiotic factors? Give 3 examples of abiotic factors of a
watershed? __________________________________________________________________________
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13. Define Wetland and explain how do wetlands help to control floods? __________________________
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14. Other than flood control, name 2 things wetlands do that are critical to Earth? __________________
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