🧪 MATTER & ENERGY UNIT Lesson 1: Classifying Matter Grade: 8th Grade Science TEKS: 8.6A, 8.1G 5E Phase: Engage / Explore 📌 Lesson Overview In this lesson, students are introduced to the concept that matter can be classified based on its composition and properties. Through hands-on observation, discussion, and evidence-based reasoning, students develop an initial understanding of elements, compounds, homogeneous mixtures, and heterogeneous mixtures. This lesson is designed to be student