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.
Are some angles more common than others?
What is a gear ratio? And how do gears help make the bicycle so efficient?
Use your naked egg to experiment with osmosis, the movement of water across a membrane.
Download a PDF file with step-by-step instructions for doing your own cow's eye dissection.
Your guide to the Northern and Southern Lights (also in 'Observatory')
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
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