On May 3, the PBS television show American History broadcast “Golden Gate Bridge,” a one-hour film documenting the construction of what was then the longest suspension bridge in the world, built hundreds of feet above the dangerously churning waters of the entrance to San Francisco Bay. This companion web site to the film draws upon science, math, and history concepts to explore the bridge’s construction in more detail. On the site, students can test engineering concepts, see their intricate math, and learn how they play out on the bridge today using a Flash-enabled feature; view a gallery of construction photos from official photographers Gabriel, Raymond, and Irving Moulin; investigate major building projects of the 1930s, and why there were so many, with historian Andrew J. Dunar; get to know the Golden Gate, the bridge, and San Francisco Bay–before, during, and after bridge construction; and more. A Teacher’s Guide includes ideas for using the site in the classroom.

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