This 26 term matching learning activity worksheet will help to introduce your students to terms associated with matter. Terms include: chemical change, law of conservation of mass, volatile, energy, aqueous solutions, substance, compound, weight, properties, solute, physical change, Law of Conservation of Mass, mixture, and other relevant terms. Ideal for a Chemistry or related course and can be used as a pretest, warm up, classwork assignment, quiz, or review activity. Answer key provided.