Educational worksheet on matter changing states, featuring diagrams and vocabulary for understanding phase transitions.

A worksheet titled "Matter Changing State" illustrating the three states of matter—solid, liquid, and gas—and the processes of phase changes such as melting, freezing, evaporation, condensation, sublimation, and deposition, with a cartoon scientist character on the left. The worksheet includes a completion section with fill-in-the-blank sentences about phase changes.