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In this activity, learners explore the engineering behind seismographs and how technology has improved accurate recording of earthquakes.

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.

The goal of this activity is to design the fastest sailboat or one that carries the most treasure.