Resources from NASA for students and educators, includes news, lesson plans, activities, pictures, videos, and interactive media.
Globally-recognized source of original videos on all topics.
Collection of videos on a wide variety of topics, powered by eHow.com.
The world-famous hands-on science museum in San Francisco.
Steve Spangler Science YouTube videos collected on the Steve Spangler Science website.
Website of chemistry professor Bassam Z. Shakhashiri of the University of Wisconsin-Madison.
Website where educators make original resources available for free or for a small fee.