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In this activity, learners explore the forces at work in water. Learners experiment to find out what happens to pepper in water when they touch it with bar soap and liquid detergent.

$1 - $5 per student Ages 8 - 18 5 to 10 minutes
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Learners observe a flask with a balloon attached over the mouth and inverted inside the flask.

$1 - $5 per group Ages 11 - adult 30 to 45 minutes