This no-prep lesson plan is an ideal supplement to your NGSS 4-PS4-2 science class. This lesson reinforces the concepts of Transparent, Translucent and Opaque matter, and their roles in interacting with light waves. The product contains 30 Interactive Slides for Google Classroom, Microsoft OneDrive or can be Printed. It includes an informational text on How Light Waves travel to fully explain this content. The Slides also contain questions to spur Student Inquiry that will lead to