Matter

Matter is anything that has mass and volume. It comes in four states: solid, liquid, gas and plasma. Matter that has the same mass, but an opposite charge is referred to as antimatter. Many starships in the galaxy utilise a matter-antimatter reaction as part of their warp drives. 
==See also== 
*antimatter 
*atoms 
*energy 
==External links==
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Category:Physics
Category:Chemistry