Matching Pairs States of MatterOnline version Vocabulary game featuring states of matter. by Lindsay Carlson 1 2 3 4 5 6 takes the shape of its container and can flow. Water is an example. Volume is the quantity of three-dimensional space enclosed by a closed surface. the amount of matter in a specific area. The three states are solid, liquid, and gas. Everything on earth exists in at least one state of matter. Matter with a definite shape. matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape.