Proof of full COVID-19 vaccination is now required for all visitors ages
12+. Plan your visit
Based on second-grade NGSS standards; appropriate for grades 2–5.
Compare how gravel, sand, and fine silt settle out of swirling waters.
Sand falling through water creates turbulence and complex patterns.
Swirling sand evokes a desert landscape.
(Embarcadero at Green Street)
San Francisco, CA 94111
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