SciCast film goes here
If you're reading this text, try visiting http://scicast.org.uk/films/2009/01/air-resistance.html directly. If you're already there you probably need to update Flash
A paper helicopter, and how its wings affects it behaviour.
I did an experiment with helicopters in our physics lesson and then prepared this video as homework. The film shows how to make a paper helicopter and then shows how changing the length of the wings affects its speed.