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    The Exploratorium
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    In this activity, learners construct a simple electrolysis device. With this device, learners can decompose water into its elemental components: hydrogen and oxygen gas. Bubbles emanating from...

    $5 - $10 per student Ages 14 - 18 4 to 24 hours
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    Iridescent
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    In this engineering design challenge, learners make a bubble maze that allows bubbles to move through a series of “on” and “off” switches. As learners work their way through the design process,...

    $5 - $10 per group Ages 4 - 18 1 to 2 hours