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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 use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.

In this activity, learners build one or more edible coral polyps and place them together to form a colony.

Learners will build a lung model to understand how their lungs and diaphragm work to make them breathe.