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In this activity, learners will build the highest tower they can out of recycled materials.

free Ages 4 - 14 45 to 60 minutes
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In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, size, and bounce height.

$5 - $10 per group Ages 4 - 14 1 to 2 hours
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This activity puts a mathematical twist on the familiar “guessing jar.” No guesses allowed, estimates only.

1 cent - $1 per group Ages 4 - 14 5 to 10 minutes
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In this activity, learners will decide together on a question about how far, long or high the group could reach together.

free Ages 4 - 14 10 to 30 minutes
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In this activity, learners make or use pre-made clay beams to scale and proportion. Specifically, they discover that when you scale up proportionally (i.e.

$10 - $20 per group Ages 4 - 14 45 to 60 minutes
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As a group, learners investigate three packages which are all the same size and shape, but have different contents. One is filled with foam, one is filled with wood, and one is filled with metal.

$1 - $5 per group Ages 4 - 11 10 to 30 minutes