1.1. Basic Concepts of Matter And Energy POGIL

LO 1.1.3 Read and interpret phase diagrams of single chemicals.

Most substances go through a phase change when heated or cooled. Molecules of a substance are held together in either the solid, liquid, or gaseous phase by intermolecular forces. It is necessary to discuss what is occurring at the molecular level in order to explain how an ice cube is melted or how water is boiled.