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In this activity, learners discuss the different salinities of oceans, rivers and estuaries.

In this hands-on activity, learners will construct a scuba diver that can float in order to explore how sea creatures stay neutrally buoyant in the ocean and to see what kinds of forces might be influ

In this outdoor activity/field trip, learners investigate the special shapes, holding structures and holding behaviors that real organisms use in streams, rivers, creeks or coast intertidal zones to a

In this activity, learners construct a coastal landmass from sand and add features such as tidal creeks and barrier islands.