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Changes of state

Last updated 29 January 2012, created 29 January 2012, viewed 910

An explanation of how an ice cube melts in a glass of water, how solid carbon dioxide or dry ice sublimates to give a smoke effect at discos and how sweat evaporates taking energy away from the surface of the skin. Animations are used to show the arrangements of particles as the changes of state occur.

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BBC Class Clips - Science"s avatarBBC Class Clips - Science

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