On the other hand, the videotape of the master teacher might have been a good demonstration piece to use for training other teachers. In that case, the content of the video would become how a master teacher works with a class, rather than a lesson in history, botany, or whatever subject the teacher was trying to get across to students. The point is that presentation video will always work best if you'll keep in mind what video does well and what it does poorly. Educators who use video to present and supplement course material should realize that their success may hinge on their ability to leverage video's strong points. Visual Demonstration .
Video is great at showing how things work.
From its earliest days, television has played upon the ability of the medium to demonstrate products effectively. And educators can use this property to make concepts clear to students. Anything that can be shown, can be shown on video. For example, video is superb at demonstrating how scientific principles work. Video can let an entire group look through a microscope at a critical moment or watch a long, slow biological process in time lapse photography.