Explaining the Circulation theory of lift.
Fundamentals of lift Playlist    • Fundamentals of Lift for Pilots  

Peter Sripol RC KFC Bucket Aeroplane    • RC KFC bucket aeroplane (magnus effect)  
Wikipedia Magnus Effect illustration https://en.wikipedia.org/wiki/Magnus_...

Note: I ain't no FAA instructor. Nothing in this video is intended to help you pass an FAA exam - written or oral.