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In this activity, learners make a black box device that serves as an excellent analogy to Rutherford's famous experiment in which he deduced the existence of the atomic nucleus.

$1 - $5 per group Ages 14 - 18 30 to 45 minutes
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In this quick activity about size and scale (on page 2 of the PDF under What's Nano?

free Ages 8 - 14 10 to 30 minutes