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In this chemistry activity, learners perform three chemical reactions in a sealed zip-top bag. Learners will record their observations and classify the changes as chemical or physical.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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Learn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz.

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes