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In this activity, learners work with an adult to build a rocket and launcher out of a plastic 2-liter bottle, flexible plastic hose, plastic tubing, toilet paper tube, and duct tape.

Learners investigate stress and strain by designing, building, and testing beams made from polymer clay.

In this activity, learners make bridges using an oil-based modeling clay (plasticene). The instructions include discussion questions for both before and after bridge building.

In this activity, learners explore the structural strength of triangles by creating their own free-standing geodesic dome out of plastic straws.