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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
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This three-part activity shows learners how to build three meteorology tools: a wind vane, a rain gauge, and a barometer.

$1 - $5 per student Ages 8 - 14 1 to 7 days