Balloons

These sites describe how people float away on bags filled with hot air or lighter-than-air gases.

Resources in this category:

Air Travelers
http://www.omsi.edu/visit/physics/air/

"Air Travelers is an introduction to the basic principles of buoyancy, properties of gases, temperature, and the technology involved in hot air ballooning." This resource is primarily for teachers.

Balloon Zone
http://www.balloonzone.com/

This site explains how a balloon is put together, and also ncludes a short history of hot air ballooning and many photographs.

Hot Air Balloons
http://www.exploratorium.edu/ls/balloons/index.html

"Take a Hot Air Balloon Cyber-Ride!" On this site you can read about ballooning adventures, explore the science and history of hot air balloons, and find science projects about balloons.

NOVA Online--Balloon Race Around the World
http://www.pbs.org/wgbh/nova/balloon/

"This NOVA/PBS Online Adventure followed one of the top ballooning teamsas they prepared for a great hot-air ballon race. Check out stories on the teams, as well as the history and science of ballooning, the jet stream, and much more."