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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.
Clean Water: Is It Drinkable?
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In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.
Light and Sound
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In this four-part activity, learners explore light and sound through a variety of hands-on investigations.
Laser Jello
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In this activity, learners use gelatin as a lens to investigate the properties of laser light.