"Unit 1: Properties of Matter" is a comprehensive middle school curriculum that covers key concepts in chemistry including the physical and chemical properties of matter, atoms vs. molecules, elements vs. compounds, the periodic table, and more. The unit includes detailed lesson plans, hands-on activities, labs, and assessments that are aligned with state and national standards. The activities include full Do-Nows, Classwork and Homework sets, which will help students to develop the scientific s