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

In this activity, learners design a bicycle helmet. Participants will explore the design of bicycle helmets to gain an appreciation for the role that helmet layers play protecting the head.

In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?

In this activity, learners explore the concept of how brakes can stop or slow mechanical motion.

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