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In this activity, learners make a scale model of an atom to see how big or how small an atom is compared to its nucleus. Learners will realize that most of matter is just empty space!

free Ages 14 - 18 30 to 45 minutes
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In this activity, learners create models of ionic compounds and observe the chemical formula of binary molecules they have created.

free Ages 14 - adult 1 to 2 hours