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