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 an onion at a minus 321 degrees? 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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