A great site to help you illustrate and teach lessons on simple and complex machines, weather prediction and brain surgery! The animation is top-notch and the questions are easily read and understandable for young scientists.

From the Edheads' About Page: Edheads will create unique, educational Web experiences designed to make hard-to-teach concepts understandable using the power and interactivity of the Internet. We will set a new standard for excellence by delivering in-depth content in a fresh, exciting style allowing the user to learn intuitively in an online environment.