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Cleaning with Dirt
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Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.
Rocket Science
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Learners create a small explosion by collecting hydrogen and oxygen gas together and squeezing them into a flame.
Hanford at the Half-Life Radiation Calculator
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This quiz lets you estimate your annual radiation exposure.
The Best Dam Simulation Ever
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This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.
Building a Community From the Ground Up
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In this activity, a group of learners work collaboratively to design and construct a paper model showing the evolution of an environment through multiple stages, from prehistory through the modern cit
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.