Reinforce states of matter concepts using these 8 lab activities to teach about properties and changing states of matter. Students will learn about phases of matter, mass, density, changing states of, and characteristics of solid, liquid, and gas matter using the 8 lab activities in your science classroom. Like these states of matter experiments? Check out the unit and save 20% by clicking here. Students will learn: about the properties of a solid, liquid, or gashow matter changesStates of Matt