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In this activity, learners play a game that models what happens as stem cells differentiate into different cell types.

In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.

In this activity, learners build bridges and cantilevers in a series of "building out" challenges with straws and pins.

In this activity, learners explore the "nuts and bolts" of gene chips.

In this activity, two groups of learners create two separate landform models out of clay (mountains and valleys).

In this activity, learners investigate the relative growth of lengths, areas, and volumes as cylinders are scaled up.