Spice up your classroom chemistry lessons and get your whole unit planned in minutes with these activities and resources. These engaging and hands-on lessons were designed to minimize prep time and they are a hit with the students!Topics include:properties of matter including states of matter: solids, liquids and gasesacids and bases: ways to measure them.physical and chemical changes.reversible and irreversible changes.mixtures (solutions, suspensions, and emulsions; heterogenous and homogenous