One of the blogs that I enjoy reading outside of the edtech sphere is The Adventure Blog written by Kraig Becker. Recently, Kraig ran a post that included a video filmed through a glass-bottom hot air balloon. That got me thinking about how hot air balloons work. I did a quick search of YouTube for an explanation and found the video below from How Stuff Works.
Applications for Education
Hot air balloons demonstrate some basic principles of science. This video does a nice job of explaining how hot air balloons work.