Unit L Lesson 5 Classroom Video Clips To show and then play a video clip, click on the arrow or the video clip title/description. Repeat to hide it. UL L5 Video Clip 1: Class explains problem using Moon's surface to reflect light UL L5 Video Clip 1: Class explains problem using Moon's surface to reflect light Three students from class explain problem with the Moon's surface not being smooth and being dark in color. UL L5 Video Clip 2: Student in class describes how mirror can be used UL L5 Video Clip 2: Student in class describes how mirror can be used Student in class shows her drawing of what to place on the Moon so it would reflect light back. Other students comment. UL L5 Video Clip 3: Group discusses a solution with two mirrors UL L5 Video Clip 3: Group discusses a solution with two mirrors [This is from a slightly earlier version of the lesson where there wasn't as much scaffolding to help students in their design as there is in the current version.] Hannah sketches a possible arrangement of the two mirrors that shows them about at a 90 degree angle. UL L5 Video Clip 4: Group clarifies that 90 degrees between mirrors works for other angles UL L5 Video Clip 4: Group clarifies that 90 degrees between mirrors works for other angles Group clarifies that the mirrors need to be at 90 degrees and that it will work for any angle of incoming light. UL L5 Video Clip 5: Group looks at two mirrors UL L5 Video Clip 5: Group looks at two mirrors [From a previous version of the lesson.] Two of the group members look through the pair of mirrors at 90 degrees.   Next Gen PET Classroom Video Clips Index Copyright © 2017 Next Gen PET