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In this activity, learners get a closer look at the shape of a drop of water and a drop of oil. Learners first drip water onto wax paper and examine the shape of separate drops from a side view.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners use geometry to predict the shape of carbon. Learners twist and attach chenille stem pieces that represent bonds between different carbon atoms.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes