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        Grades

        6-12

        Accessibility

        Auditory, Textual

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        Stream, Download and Share


        Part of QUEST
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        Watching the Tides

        The rise and fall of ocean tides are influenced by the gravitational forces of the sun and moon. In this video from QUEST produced by KQED, explore how tides work and see the oldest continually operating tidal gauge in the Western Hemisphere. Ben Burress explains how tides work and visits Crissy Field in San Francisco to see the oldest continually operating tidal gauge in the Western Hemisphere.

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