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In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport.

In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.

In this activity, learners explore the difference between compact fluorescent light (CFL) bulbs and traditional incandescent bulbs.

In this Bob the Builder(TM)-themed activity, learners go on a nature walk outside and describe what they observe using their senses.