Learn more at http://www.stevespanglerscience.com/experiment/pressure-cooker-shrinking... The pressure cooker is Mom's secret weapon when it comes to making that savory stew in less than an hour. This amazing device is also the kitchen scientist's favorite tool for subjecting ordinary things to high pressure to see what happens. For this experiment, our subject is a Styrofoam cup. Under extremely high pressure, will the cup expand, contract, melt or turn into a cute little puppy?
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