"Unit 3: Chemistry" is a comprehensive middle school curriculum that covers key concepts in chemistry including physical and chemical changes, chemical reactions and equations, conservation of matter, and photosynthesis and cellular respiration. The unit includes detailed lesson plans, hands-on activities, and assessments that are aligned with state and national standards. The unit provides students with a solid understanding of the fundamental concepts of chemistry and includes multiple labs and activities to reinforce these concepts. The activities include full Do-Nows, Classwork and homework sets, which will help students to develop the scientific skills and knowledge that they need to succeed in science and in life. The unit will provide students with the opportunity to explore the natural world and develop their critical thinking and problem-solving skills.