This 4th Grade 5E lesson plan on waves will have students make a model demonstrating how light falling on an object enters the eye and allows the object to be seen. It is designed to align to NGSS 4-PS4-2. We use inquiry - based activities to address the 5E lesson the following way: Engage: Engage students with an inquiry-based PowerPoint and student worksheet. Explore 1: Reflection – Students view images of reflection phenomena and complete a worksheet Explore 2: Refraction – Students s