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.
This clay building activity shows that when you make things bigger, weight increases faster than strength.
What can you build with 50 straws and 50 pins?
Seasoned gardeners depend on a community of bacteria, worms, and insects to get the most out of their plantings. Find out why.
When you ride a bike in a straight line, you must make many minor corrections in order to stay upright.
An introduction to spectra and to the space-based telescopes. The site includes a number of hands-on activities.
Grow spikes of crystals in the sun.
San Francisco was born in gold dust, and nearly died in rubble and ashes.
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
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