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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.
Spill Spread
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In this simulation, learners explore how ocean currents spread all kinds of pollution—including oil spills, sewage, pesticides and factory waste—far beyond where the pollution originates.
Cleaning Air with Balloons
Learners observe a simple balloon model of an electrostatic precipitator. These devices are used for pollutant recovery in cleaning industrial air pollution.
Make a Lake
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Where rainwater goes after the rain stops? And why there are rivers and lakes in some parts of the land but not in others?
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.
Beach Buckets
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In this activity, learners explore a bucket of sand and beach objects.