Matter is anything which occupies space and has compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume. There are compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume states of matter. These are solids, liquids and compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume. In a solid the particles are packed together in a regular structure with a fixed compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume. Solids have definite shape, definite compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume, difficult to compress and cannot compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume. In a compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume the particles have no regular arrangement so they can flow but they are still quite closely packed together. Liquids have a definite volume, no definite shape, hard to compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume and can flow. Gas particles are very far apart with no regular arrangement and moving in compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume motion. Gases have no definite shape, no definite volume, easy to compress and take the shape of their compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume. compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume is the spreading out of the particles of a liquid or gas in their container. compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume point is the temperature at which a solid changes into a liquid. Boiling point is the compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume at which a liquid changes into a gas. compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume is the changing of a gas into a liquid. The changing of a liquid into a compressCondensationcontainerDiffusionflowgasesliquidmassMeltingrandomshapesolidtemperaturethreevolume is known as freezing.