Please go to the following bridge websites to locate additional information about building bridges. http://www.pbs.org/wgbh/nova/teachers/programs/2416_bridge.html
This takes you directly to site for online class and homework activity. http://www.pbs.org/wgbh/buildingbig/bridge/index.html
Bridge definitions, more than you need. http://pghbridges.com/termsBrg.htm
http://bridgepros.com/home.htm
http://www.betterroads.com/articles/bridgeinv03.htm
Great site for all subjects. Bridge topic is under TECHNOLOGY. User name and password are the same: darienps. http://www.brainpop.com