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	Podcast:		4. Chemistry and Physics
	Episode:		Liquids
	Category:		Science & Medicine
	Duration:		00:00:45
	Publish Date:		2011-07-13 19:55:28
	Description:		Transcript: At a slightly higher temperature than most solids we find liquids. Liquids are still high density, only slightly larger density, than the solid form of the substance. The atoms in a liquid are still in close proximity, but they have broken loose from the rigid structure or lattice and so can move freely taking the shape of the container they are in. This is the basic form of a liquid. Most substances pass from solid to liquids to a gaseous form as they are heated up. Some are an exception however, such as carbon dioxide which goes directly from solid to gaseous form. This process is called sublimation.
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