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In this activity, learners use simple materials to create giant bubbles.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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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.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes