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In this project, students explore how levers work, by making a puppet with moving limbs.

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

What's a more compelling problem to solve than being stranded on a deserted island?

In this activity, learners are invited to imagine the park of their dreams!

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.

In this activity, learners consider how a simple machine, a lever, turns a small push or pull (a small force) into a larger--or stronger--push or pull (a larger force).

In this experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture.

In this activity, learners will make their own "ball bearing" with two jar lids, marbles, and some household supplies.