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LIQUIDS!!
A liquid's shape is determined by the container it fills. That is to say, liquid particles (normally molecules or clusters of molecules) are free to move about the volume, but they form a discrete surface that may not necessarily be the same as the vessel. The same cannot be said about a gas; it can also be considered a fluid, but it must conform to the shape of the container entirely.
In general, liquids show expansion on heating, contraction on cooling; water, however, does not follow the rule exactly.
A liquid changes at its boiling point to a gas and at its freezing point, or melting point, to a solid.
By: Khadijah Wesson!!
