Low-cost, teacher-tested activities for the classroom and the curious.
Science of Cooking • Explore the science behind food and cooking with recipes, activities, and Webcasts.
An introduction to spectra and to the space-based telescopes. The site includes a number of hands-on activities.
Explore the surprising side of sound
A model for heart development
Why do I hear the bass from my neighbor's stereo, but not the treble?
Build a stripped-down motor, a simple, easy-to-make version of the electric motors found in toys, tools, and appliances.
Here's how you can model the use of X rays for medical examinations with some sand and a piece of screen.
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