WR News, Edition 4 (including Science Spin), January 5th, 2007
Huge ice structures and buildings at the winter festival in Harbin, China, are made from tiny snowflakes. Temperatures in Harbin are below freezing for half the year, making conditions perfect for snow. Check out the chilly science behind snowflakes.
A snowflake starts out as ice crystals that are created when water vapor (steam) in clouds condenses and freezes.
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The flake freezes around tiny dust particles, forming a hexagon, or six-sided shape.
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The simple corners of the hexagon begin sprouting branches.
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The temperat...
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