Why Seasons Change (1960)

Uses animation to demonstrate that the yearly seasonal cycle is caused by the cyclical change in the tilt of the earth's axis relative to the sun. Explains temperature changes and seasonal differences between the Northern and Southern hemispheres. We digitized and uploaded this film from the A/V Geeks Archive. Email us at footage@avgeeks.com if you have questions about the footage and are interested in using it in your project.