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This experiment is designed to illustrate how fluids, including water, have the ability to flow.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this activity on page 9 of the PDF, learners test how flavoring extracts move through the walls of a balloon.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
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In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.

free Ages 8 - 18 30 to 45 minutes