A description of how lift is a mechanical force that requires a fluid moving through a solid object and a change in velocity.

The airplanes unit begins with a lesson on how airplanes create lift, which involves a discussion of air pressure and how wings use Bernoulli's Principle to change air pressure. Following the lessons on lift, students explore the other...

A comprehensive tutorial that depicts the parts of a subsystem within a system. This tutorial dissects a rocket and explains how each part is integral to its actual functioning. Excellent links to otherresources dealing with aerodynamics.

Four forces keep an airplane in the sky. These forces are known as lift, weight, thrust, and drag. Learn more about How Airplanes Fly in this well-constructed overview by Wonderville.