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Toilet Paper Solar System
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In this activity, learners build a scale model of the solar system using a roll of toilet paper.
Solar System Bead Distance
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In this astronomy activity, learners create a model of the solar system using beads and string.
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.
Let's Bag It
Learners observe and discuss a vacuum cleaner as a model of a baghouse, a device used in cleaning industrial air pollution.