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Dry Ice Experiment - The Screaming Quarter

http://www.sciencebob.com - This little demonstration shows what happens as dry ice sublimates (turns to a gas) and then tries to escape around a quarter. The gas causes the quarter to vibrate very fast and create a rather humorous screaming sound. Caution: Only handle dry ice with gloves...it's -109 degrees F!
Length: 01:34

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