This site looks at the history of the Wright Brothers’ and their first airplane and the advancements they made on their design to make it fly.
[?]
This site looks at the history of the Wright Brothers’ and their first airplane and the advancements they made on their design to make it fly.
This covers the Wright Brothers’ invention process and how they build their first airplane.

This site has all the information on paper airplanes: history, science, and designs.
National Air and Space Museum: How Things Fly
What makes an airplane fly? How does a spacecraft stay in orbit? Why does a balloon float in the air?
This site talks about what makes a plane fly and the forces that act on it. It discusses Bernoulli’s Principle, Newton, drag, thrust, and gravity.