This is a 53 slide Jeopardy game on the states of matter. Categories include: liquids, solids, gases, change of state I, and changes of state II. There is also a double jeopardy question at the end. My students love this game! Small groups work great, but I still use it with my class of 28 and we make it work out just fine. I have them get into 4 groups and give them a white board to write answers on.