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In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.

Based of the The Tech Challenge 2015, learners will engage in two mini-design challenges related to seismic engineering.

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 design challenge activity, learners build a boat that can hold 25 pennies (or 15 one inch metal washers) for at least ten seconds before sinking.

Using simple, inexpensive items, learners build and test submarine models.

The goal of this activity is to design the fastest sailboat or one that carries the most treasure.

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.