Use your naked egg to experiment with osmosis, the movement of water across a membrane.
Meet the robotic explorers that landed on Mars in 2004, and check out their tools and instruments.
Make your own simple speaker from wire, magnets, and a cup.
In this activity, students make bridges using an oil-based modeling clay (plasticene).
Where do all the different languages in the world come from?
Hear audio clips of the ambient sounds of the rain forest at night near Arecibo, Puerto Rico.
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
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