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Straining Out the Dirt
Learners take on the role of environmental engineers as they design water filters.
Do Cities Affect the Weather?
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In this activity, learners explore clouds and how they form.
Disappearing Statues
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In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.
Water Underground
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Many people get water from a source deep underground, called groundwater.