1. Surface Water
Drill: List as many examples of surface water as you can?
Objectives: SWBAT diagram portions of rivers and river systems in order to understand how water moves across land.

2. Label the parts of the River System
Tributaries
River
River System

3. Label the parts of the watershed.
Divides
Watershed area

4. Chesapeake Bay Watershed
Locate the
Rivers
Bay
Tributaries
Watershed
Divide

5. Floods Occur when a river overflows its channel.
Levees are long ridges that build up along the river’s edge.
Can be natural or man-made.
Man-made levees prevent the natural widening of the river.
Why do cities use levees?

6. A. C. B.

7. Food for Thought
A young girl in Southern New York released her own “message in a bottle” with her address in a local stream. Five years later she received a note from a local beach comber saying he found her note on shore along the mouth of the Chesapeake Bay.
How did this happen?

8. Environmental Questions
How do river systems and watersheds play a part in the water cycle?
Why are scientists concerned about runoff? What can increase / decrease runoff?
During what seasons would runoff be increased?