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4. San Francisco Bay Watershed
Students get an introduction to the San Francisco Bay watershed by studying a map of California. The concept of a watershed is solidified using the San Francisco Bay watershed as an example. Major geographical landmarks are identified on the map. Students then turn their hands into a portable map of the watershed. They discover how the water cycle determines the flows of water in different seasons, and therefore determines the utility of dams and reservoirs to even out the flow. In the process, students learn about the reasons the Bay is so important to California’s people, economy, and wildlife. This lesson may be extended into a history of the San Francisco Bay lesson.