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Air Pressure and Dent Pullers

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In this activity, learners simulate Otto von Guericke's famous Magdeburg Hemispheres experiment.
$10 - $20 per group Ages 11 - 18 10 to 30 minutes

The Crayon Rock Cycle

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In this activity, learners use crayons to draw conclusions about rocks and the rock cycle.
$5 - $10 per group Ages 8 - 18 45 to 60 minutes