O.K. It’s Sesame Street. But you would be surprised how engaged kids of all ages can be by this series of linked videos that allow the viewer to make choices that determine the next video that will be watched. An experiment showing whether or not different objects float is the purpose of the video. However, it could also be used as a general lesson that demonstrates the Scientific Process. If you enjoy this interactive video experience, and would like to learn how to make your own set of videos that link together, you can find some very simple instructions here.