MT.S2. Students, through the inquiry process, demonstrate knowledge of properties, forms, changes and interactions of physical and chemical systems.
S2.1. Classify, describe, and manipulate the physical models of matter in terms of: elements, and compounds, pure substances and mixtures, atoms, and molecules
S2.1.gr6-8.A. Classify matter as atoms, molecules, elements, compounds, pure substances, or mixtures.
S2.1.gr6-8.D. Identify the relationship between atoms, molecules, elements, compounds, pure substances and mixtures.