WHY? As the feather is pushed down, the air below exerts a force, called resistance. Because the vanes are different sizes on flight feathers, the resistance is different on each side. ASSESSMENT: Can the student communicate what they observed?

The student is able to communicate that the feathers operate differently because the vanes are different on the flight feathers and the same on the tail feathers. The student can communicate that this is due to air resistance. The student is able to communicate that the feathers operate differently because the vanes are different on the flight feathers and the same on the tail feathers. The student observes and communicates that the two feathers react differently when moved. The student observes and communicates that the flight feathers turn when moved.

Web Hosting Provided By The National Business Aviation Association.

Explore Space ... Not Drugs!
Hear what astronauts have to say about staying drug-free.
Last modified: Sat Nov 15 19:03:48 PST 1997

Copyright © 1997 by Cislunar Aerospace, Inc. All Rights Reserved.