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In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.

$1 - $5 per student Ages 4 - 8 10 to 30 minutes
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Learners mix liquid water with solid cornstarch. They investigate the slime produced, which has properties of both a solid and a liquid.

$5 - $10 per group Ages 4 - 18 5 to 10 minutes