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a large ship under a bridge
video

Ship Under a Bridge

 Ocean conditions change every hour of every day. Tides, currents, and winds are...
Fri, 01/14/2011 - 11:34
Two nurse sharks hover over a baited cage
Lesson Plan

Oceans of Energy

 Students describe forms of energy found in the ocean and explain how they are used...
Tue, 12/01/2009 - 12:13
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