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Low-Tech Water Filter for High-Impact Clean
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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.

Which Parachute
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In this activity, learners will engineer three different parachutes to test how well each one works.

Building A Storm Drain
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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.

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

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

Exploring the Solar System: Asteroid Mining
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In this activity, learners will imagine the challenges and opportunities of asteroid mining.