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How Big is Small
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In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water.
Toast a Mole!
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In this quick activity, learners drink Avogadro's number worth of molecules - 6.02x10^23 molecules!
Indicating Electrolysis
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Electrolysis is the breakdown of water into hydrogen and oxygen. This Exploratorium activity allows learners to visualize the process with an acid-based indicator.