Saturday, March 23, 2013

Pressure/Friction/Melting point Ice Skating Mystery

http://video.nationalgeographic.com/video/science/weird-science-sci/idkt-ice-skating-science/






This is a quick clip that looks at the science behind ice skating. They do a nice demo of a wire on an ice cube.

Daily Question;
What effect does pressure have on the melting point of ice? Is melting point a physical or chemical property? What is the melting point of water?

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