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Crunch and Munch Lab
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In this activity, learners use three types of cheesy snacks--cheese balls, cheese puffs, and Cheetos--to learn about polymers.

The Thousand-Yard Model
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This is a classic exercise for visualizing the scale of the Solar System.
Making An Impact!
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In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.