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

In this activity, learners incorporate a simple switch into a battery/bulb circuit. Learners will use their knowledge of circuits to design and make their own switches using common materials.

In this activity, learners build their own sound machines and explore the interplay of motion and sound.

In this activity, learners build a kite out of paper, change it, and try to make it fly even better. With their new knowledge of kite making, students can then go on to create their own kite designs.

In this activity, learners are asked to examine the differences between two materials in a pair.

In this activity, learners make an electromagnet motor to demonstrate the most basic method of changing electrical energy into mechanical energy.

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