Multiracial San Clemente, CA, high school chemistry students watch as hydrogen peroxide, soap, and sodium iodide are mixed to produce an expanding foam of oxygen trapped in resulting soap bubbles. Note cell phone cameras, safety goggles, and aprons.

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Size: 4368px × 2912px
Location: San Clemente, CA
Photo credit: © Marmaduke St. John / Alamy / Afripics
License: Licensed
Model Released: No

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