Steve Spangler’s Airmazing Solar Bag


By Steve Spangler.

A Solar Bag is a long plastic bag made from a very thin plastic and colored black to absorb solar energy. The heated air inside the bag provides buoyancy and causes the bag to float. Over the years, it’s become a very popular science demo for teachers to share with their students as they explore the properties of air.

Click on this link to go to the Steve Spangler website for more details.