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Water

Chemistry in Pictures: Freeze-thaw

by Craig Bettenhausen
July 2, 2019

 

20190702lnp20-freezethaw.jpg
Credit: Submitted by Paul Schwartz

Water can form interesting ice crystals on surfaces that separate warm and cold air, like this porch window in Rochester, NY. Water first froze into dendrites, then some of it thawed to form droplets. Those droplets then refroze to form smaller dendrites on the surface of the droplets.

Submitted by Paul Schwartz

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Do science. Take pictures. Win money. Enter our photo contest here.

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