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In this activity, learners investigate wind by comparing the force of wind in different locations. Learners build wind-o-meters out of wooden sticks and strips of paper.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
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In two separate bags, learners mix water with Epsom salts and detergent.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes