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Become a geography whiz as you learn how the United States was settled. Discover how the continent was irrevocably changed by European colonization, the events that caused the wholesale displacement and decimation of the land's original inhabitants, and how the 50 states came to be formed.

flash animation of the 3 states of matter (no plasma)

The Mayme A. Clayton Library & Museum (MCLM) maintains the largest and most academically substantial, independently held collection of rare and out-of-print books, documents, films, music, photographs and memorabilia on African American history and culture in the United States.   MCLM's primary goal is to make the collection available to the public as a cultural compass to a more complete view of American history. 

The internationally recognized WorldImages database provides access to the California State University IMAGE Project. It contains almost 75,000 images, is global in coverage and includes all areas of visual imagery. WorldImages is accessible anywhere and its images may be freely used for non-profit educational purposes. The images can be located using many search techniques, and for convenience they are organized into over 800 portfolios which are then organized into subject groupings.

Welcome to the Letters to Santa Project!  This was the very first project conducted in 1985 on our pioneering FrEdMail Network (using Apple IIe and 300 baud modems). It continues to be an annual Global Schoolhouse favorite. Around the world, Santa Claus plays an important role in a multitude of cultures. In the United States, he has become a true American folk icon. When you register for this project, we match you up with a partner classroom with which your students exchange their "Santa Letters:" Younger students write letters "to" Santa; Older students impersonate Santa and send their carefully crafted replies.

Lure of the Labyrinth is a digital game for middle-school pre-algebra students. It includes a wealth of intriguing math-based puzzles wrapped into an exciting narrative game in which students work to find their lost pet - and save the world from monsters! Linked to both national and state mathematics standards, the game gives students a chance to actually think like mathematicians.

on line history textbook by Howard Zinn