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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 activity, learners are challenged to design a planktonic organism that will neither float like a cork nor sink like a stone.

Learners design, build, and test models of "dragon boats" made from up to three milk cartons.