The Roizen group participates in outreach activities targeted at K-12 students through Duke.

Many of the following photos were taken while we were testing demonstrations in preparation for events.

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Metal dissolved in solution turns orange!

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Indicators change colors as solution pH changes.

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Indicators change colors as solution pH changes.

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Indicators change colors as solution pH changes.

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Soap-up your hands and you can hold bubbles.

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Turn on the tap and collect bubbles?

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Soap + water + carbon dioxide = bubbles.

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Fill bubbles with propane and they can catch fire.

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A bubble extends around a person.

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Sublimation of dry ice enables a caldron to be capped with a growing bubble.

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It's easy to experiment with the influences on bubble size and shape.

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Bubbles filled with propane catch fire.

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Liquid nitrogen ice cream can entice most individuals.

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Liquid nitrogen ice cream can entice most individuals.

























Additionally, Dr. Roizen is a mentor with the Chem WMN.