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In this activity, learners engineer a paper helicopter that spins to the ground when dropped.

In this activity related to Newton's Laws of Motion, learners build a boat powered by a propeller in the air.

In this design challenge, learners will create their own roller coaster using household objects for the track and a marble or small ball as their cart.

This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.

Learners explore the field of civil engineering by making a bridge using spaghetti as their primary building material.

Build a house you can fit inside, using cardboard tubes.

In this activity, learners explore dinosaurs and fossils by creating a diorama.

In this activity, learners use design thinking to design and build their own bridge out of household materials including adhesives and/or connectors.

Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons.

In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.

In this activity, learners explore work, forces, simple machines, and construction. This lesson guide includes simple ways to demonstrate these principles as well as hands-on activities.

In this activity, learners build scaled-down structures and cantilevers in a series of "building out" challenges with bamboo skewers and tape.