Teach the full Year 3 / Grade 2 light and shadows unit with one complete science bundle. This full-unit pack brings together five complete lessons with slides, worksheets, assessments, vocabulary, visual aids, reading, activities, games, and video support. This is the best-value option for the complete Unit 2 Light and Shadows sequence. Included lesson sequence: 1. We Need Light to See 2. Light Sources and Reflection 3. Sun Safety and Bright Light 4. How Shadows Are Formed 5. Changing Shadow Siz