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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

Mold Mole Molds

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In this activity, learners make different shapes that hold exactly one mole of gas (air).
$1 - $5 per group Ages 14 - 18 30 to 45 minutes