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In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.

This design challenge is an open-ended exploration of linkages, a group of parts connected by hinges, and the types of motion they can create.

In this activity, learners explore how nanotechnology is being used to create new types of protective fabrics.

Build and test a scale model of a rainforest canopy walkway.