Matter is everything around us. Matter is anything that is made of atoms and molecules and has mass. You can find matter even in outer space. Although matter can be found all over the universe, you usally find it in a few forms. There are 5 states of matter: liquid, gas, solid, plasma and fluid.
thehttp://www.chem4kids.com/files/matter_intro.html
http://physics.about.com/od/thermodynamics/f/matterphase.htm
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