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In this activity (on page 2 of the PDF under GPS: Sailboat Design Activity), learners will discover how the shape of an object, not just its weight, determines whether it floats or sinks.

In this activity about problem-solving, learners build a house for the Three Little Pigs using twenty straws and two index cards.

In this hands-on activity, learners investigate the functional design of leaves on a tree.

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

In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.

In this hands-on nature activity, learners observe the emergence of leaves and flowers. Branches from trees and bushes are collected in the early spring, brought indoors, and placed in water.