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Spark Science: Sublimation and the ‘Ghost Pie’

Posted at 3:49 PM, Oct 04, 2014
and last updated 2014-10-04 17:49:23-04

Ben Hyde of Spark Science specializes in science projects geared toward kids. This week's experiment is something he calls a Ghost Pie, and it demonstrates a concept called sublimation, which is when a solid moves directly into gas form.