Water Use
This unit introduces the sources of drinking water in the San Francisco Bay area and water use. Also see the unit on the Water Cycle.

Workshop Presentations

PowerPoint Click to download the MS Powerpoint file (8.9 Mbytes).

PDF Click to view or download the presentation in PDF (1.3 Mbytes).

HTML Click to view the presentation in html.

Online Lecture Click here to view a streaming lecture about the water use and the sources of water in the SF Bay area.. You can navigate from forward and backward in the slides by using the arrow keys on your keyboard. (coming soon)

Classroom Activities


Student Readings


Online Video and Media Resources

Janicki Omniprocessor. This video from Bill Gates shows an ingenious machine designed and built by Janicki Bioenergy, which turns human waste into water and electricity. Bill Gates demonstrates that the treated water is potable and see him drink poop water!

Useful Websites

Coming soon.

NGSS Disciplinary Core Ideas

Grade 2
ESS2.C: The Roles of Water in Earth's Surface Processes. Water is found in the ocean, rivers, lakes, and ponds. Water exists as solid ice and in liquid form. (2-ESS2-3)

Grade 5
ESS2.C: The Roles of Water in Earth's Surface Processes. Nearly all of Earth's available water is in the ocean. Most fresh water is in glaciers or underground; only a tiny fraction is in streams, lakes, wetlands, and the atmosphere. (5-ESS2-2)

Middle School
ESS2.C: The Roles of Water in Earth's Surface Processes. Water continually cycles among land, ocean, and atmosphere via transpiration, evaporation, condensation and crystallization, and precipitation, as well as downhill flows on land. (MS-ESS2-4)
Global movements of water and its changes in form are propelled by sunlight and gravity. (MS-ESS2-4)
ESS2.C: The Roles of Water in Earth's Surface Processes The complex patterns of the changes and the movement of water in the atmosphere, determined by winds, landforms, and ocean temperatures and currents, are major determinants of local weather patterns. (MS-ESS2-

Common Scientific Misconceptions

Coming soon.

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