Waves, Sound and Light Module Extensions Index Warning: In Safari, Continue, back, and other buttons on non-question slides may not work. If this occurs, we suggest you use another browser. If you use Safari, to advance, click in the extension window or use the Play button in the controller at the bottom. Recommended browsers: HTML5: Mozilla Firefox, Google Chrome, Opera (most recent versions). Unit WS: Mechanical Waves and Sound Extension Links Extension A: How Do Waves Move? HTML5 Extension C: Reflection of 2D Waves HTML5 Extension D: Seismic Waves HTML5 Map Circles Unit L: Light and Color Extensions Links Extension A: Drawing Light Ray Diagrams for Pinholes and Shadows HTML5 Extension B: Further Investigations of Mirror Reflections and Images [More on Mirror Reflections and Images] HTML5       Next Gen PET Student Resources Home Page Copyright © 2017 Next Gen PET