There are four states of matter according to science; solid, liquid, gas, and plasma. The difference in all the states was defined based on their properties. The solid-state of any matter has a fixed volume and shape. Matter in the liquid state has fixed volume, but shape can vary according to the container it is in. Matter in the gaseous state has variable volume and shape. Matter in plasma state has variable volume and shape and also has neutral atoms. Study about the States of Matter with Crossword Game. Learn about different terms, keywords, and much more with our Crossword Game made for anyone willing to study the States of Matter and become a master of the topic.