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Balloon Isometrics

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In this chemistry activity, learners will explore the concept of entropy. When learners stretch and unstretch a balloon, they will notice a change in temperature.
1 cent - $1 per student Ages 8 - 11 5 to 10 minutes

Ice Cream Freeze

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In this fun and delicious chemistry activity (page 1 of the PDF), learners will explore the difference between physical and chemical change by making homemade ice cream.
$10 - $20 per group Ages 8 - 11 30 to 45 minutes