historic aviation videos some with sound, some silent 91st Aero Sqn AEF Salmson 2 Reconnaissance 1918 RAF 1940 B-Type Helmet, … More

The Electromagnetic Spectrum – Index page “The electromagnetic spectrum is more familiar to you than you might think. The microwave … More

Plan Ceibal – Khan Academy Plan Ceibal has a separate Khan Academy Web site at http://khan.ceibal.edu.uy/ where they are apparently … More

The Museum of Unworkable Devices “fascinating devices that don’t work. It houses diverse examples of the perverse genius of inventors … More

NetSmartzKids Home Page Topics include personal safety, shopping safety and ethical use of the Internet. To learn more, youth ages … More

IXL – Math practice Tags: k-8, math, learning, interactive The Engineering Design Process – http://www.TeachEngineering.org “The engineering design process is … More

Middle School Resources “Mathematics Teaching in the Middle School (MTMS) focuses on intuitive, exploratory investigations that use informal reasoning to … More