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Paths and Ponds
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In this activity, learners use squares to figure out how many border tiles are needed to enclose different areas.

Roots and Shoots
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In this outdoor activity, learners discover that plants aren't just shoots (stem, branches, leaves, and flowers) growing above ground, but contain plenty of roots growing underground—more than half th

Out of Control
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In this outdoor activity, learners release a portion of a lawn from human control—no mowing, no watering, no weeding, no pest control—and then investigate the changes that result over several weeks.