Constitutional Rights Foundation
Constitutional Rights Foundation: Centralized vs Decentralized Rule: The Legacy of Alexander the Great
Resource for teachers and students. A study of government and society through a look at the legacy of Alexander the Great. Includes questions for discussion followed by activity surrounding four Hellenistic philosophies of the "good...
Yale University
Yale New Haven Teachers Institute: The Great Continental Drift Mystery
A unit on plate tectonics designed for middle school students, this page must be read carefully to find the activities to be done in the class, but it provides a wealth of background for the teacher as well.
TED Talks
Ted: Ted Ed: The Silk Road: Connecting the Ancient World Through Trade
With modern technology, a global exchange of goods and ideas can happen at the click of a button. But what about 2,000 years ago? Shannon Harris Castelo unfolds the history of the 5,000-mile Silk Road, a network of multiple routes that...
Nebraska Studies
Nebraska Studies: High Falutin' Beef
This is an impressive history of the introduction of beef to the Great Plains region complete with videos, photos, and lesson plans.
Cut the Knot
Cut the Knot: Probability Questions
This site defines probability and has a computer-based random number generator. The site has links to more than 100 probability problems which require some prior statistical knowledge to solve, or they can be great "openers" for teachers...