We have recently did an experiment with a substance called dry ice. Instead of melting and evaporating it sublimates, or goes straight to a gas from a solid. We put it in a graduated cylinder and watched this really cool fog come out of the top. Then Mrs. Wimer put dish soap into the cylinder. That made bubbles come out instead of the fog. Since it sublimates, the dry ice had fog coming off of it when it was in the tray |