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In this engineering activity (page 5 of PDF), young learners investigate how materials and design contribute to the strength of a structure, particularly walls.

Using paper, paper clips, an index card, and tape, teams of learners design flying devices to (1) stay in the air as long as possible and (2) land as close as possible to a given target.

Learners investigate weight by building a spring scale. They observe and record how it responds to objects with different masses.

In this activity, learners explore the concept of friction and how ball bearings reduce friction.

In this activity, learners build a mini dancing robot. This engineering activity introduces learners to electricity, circuits, switches, conductivity, and motors.

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

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

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