Our Planet is a Clock
Purchase: http://hilaroad.com/video/ A short animation presenting the rotating earth as a huge clock spinning in space. All efforts to measure and record time, start with our rotating planet. Learning about sundials is a good topic for any science curriculum. This video is one of a series explaining sundials. The four videos in this series are "Time - 1", "Our Planet is a Clock - 2", "Sundials and Latitude - 3" and "Create a Sundial - 4"