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In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

In this water activity, learners build boats that float and sink. First, learners listen to the book, "Who Sank the Boat" and practice making predictions throughout the story.

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

This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

In this design challenge activity, learners make a balloon hover at eye level for five seconds, and then make it move by creating air currents.