The Great Electrifying Event, Feb 28, Bonneville Dam

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Description: This free educational event teaches the basics of electricity and how it is generated at Bonneville Lock and Dam. It is geared toward elementary and middle school students, but is informative and fun for the entire family.
Learn how different forms of energy work through hands-on activities and videos and take a tour inside Bonneville’s Powerhouse 2 – where visitors can walk on top of two generators and partially inside another.
Visit all of the stations and take a tour in about an hour and a half …

http://www.nwp.usace.army.mil/Locations/ColumbiaRiver/Bonneville.aspx