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Monster Mallows

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In this activity, learners explore how ordinary marshmallows expand when heated in a microwave.
$1 - $5 per group Ages 6 - 14 Under 5 minutes

Vibrating Pennies

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Conduct a simple experiment to explore how temperature changes can make things expand or contract.
1 cent - $1 per group Ages 6 - 14 Under 5 minutes