Description: This resource includes quick and simple notes for Lessons 1–14 of OpenSciEd Unit 6.2: Thermal Energy. Each lesson is broken down into concise, student-friendly notes that directly address the OpenSciEd Progress Tracker questions, making complex concepts easier for students to understand and review. To support ongoing assessment, every lesson includes two multiple-choice questions designed for fast checks of understanding and reinforcement of key ideas. This resource is ideal for f