GeoGebra is free and multi-platform dynamic mathematics software for all levels of education that joins geometry, algebra, tables, graphing, statistics and calculus in one easy-to-use package. It has received several educational software awards in Europe and the USA.

A movie inspired on numbers, geometry and nature

Resources, Topics, References for Middle School math.

The best free cultural & educational media on the web to use in your classroom

Offers teachers access to more than 3,000 digitized documents from NARA's collections, along with classroom activities using them.

A great resource for the earth sciences.  

NASA Quest Challenges are FREE Web-based, interactive explorations designed to engage students in authentic scientific and engineering processes. The solutions relate to issues encountered daily by NASA personnel.

See real middle school teachers incorporating the National Council of Teachers of Mathematics standards into their lessons, while learning as much about teaching as their students do about math. The programs demonstrate how teachers guide and assess student understanding, and offer strategies for keeping students motivated and engaged at this critical age.

World War II photographs of Europe then and now.  These could be used in 7th grade SS to show the effects WWII on Europe and how the countries have been rebuilt.

A WWII veteran recounts a remarkable experience when compassion outweighed winning.  Can be shown to class while studying WWII in order to emphasis the mental aspects of war.

"Surgically altering your social network appearance and getting rid of old friends will make you the ideal job candidate." 

100! ways to utilize Facebook 

New technology where the student takes a daily diagnostic test and a computer program assigns a personalized lesson plan tailored to the student's learning style.