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In this activity, learners create a kind of balance device using a wire coat hanger, some string, and paper cups.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners explore a scale by comparing objects, which look similar but have different weights. Learners predict and then measure the weights of various objects using a scale.

free Ages 4 - 6 10 to 30 minutes