Series of instructional material for students in the science areas; includes AP Chemistry, AP Biology, AP Physics, Astronomy, Earth Science, and Calculus.

Video streaming/downloading resource with thousands of video clips, images, lesson plans and lesson building tools. Videos can be downloaded, manipulated and incorporated into lessons and presentations.

Thousands of Free Lesson Plans and Educational Resources for Teachers

A fantastic collection of Web 2.0 tools that can be used with students. This is a wiki site where teachers can add tools as they find them.

A visual interface for organizing places you visit frequently on the web. This tool helps you create a personal learning environment and makes accessing all of your favorite web 2.0 tools, as well as productivity tools, as easy as one click.