Temps at Sierra Elementary were -320 degrees this week - Ahwatukee Foothills News: Communitylife

Temps at Sierra Elementary were -320 degrees this week

Posted: Friday, November 13, 2009 12:00 am

What happens to the stopper on a bottle of liquid nitrogen, chilled to an amazing 321 degrees below zero? Students at Sierra Elementary found out Tuesday when Mike Hart of the Arizona Science Center visited the school to demonstrate the effects of liquid nitrogen.

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