Frost Flowers

Frost Flowers

Frost flowers are formed by capillary action when the air is freezing, but the ground isn’t. The stem of a plant will expand in the cold weather and crack. Water will still be drawn up the stem and will freeze when exposed to the air.

More info: http://1.usa.gov/10arLUw

Photo credit: Kostian

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This entry was posted in Science.

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