Math and science videos from TIMSS (you will have to create an account).
Using Google earth in the math curriculum. Math applications.
Florida Center for Instructional Technology math portal. Math clip art. Lesson plans.
Math and science resources. Howtosmile.org
An interactive math site developed by the Los Alamos National Laboratory. So you thought math was just about numbers!
Middle school pre-algebra math activities set within a video game from Maryland Public Television and MIT.
Flash animations for grades K-8 covering a large number of educational topics. Without subscription you can watch 2 per day. [lessons]
The JASON Project sponsors an annual scientific expedition to engage students in science. The Project is focused on grades 4-9. [science]