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00:40:59
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: paint.

00:54:10
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: sugar.

01:01:45
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: baseball equipment.

00:47:04
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: plastic water bottles.

01:05:00
In this zany competition teachers will have ten minutes to create a science activity from a special secret ingredient. This week-fruit!

Can pets predict earthquakes? Do quakes happen more often at certain times of the day or year? And could a really big one mean the end of California? Exploratorium geologist Eric Muller separates earthquake fact from fiction.

Relive the Loma Prieta quake with our photographer, Amy Snyder, who was caught in an outhouse at the beach. Why didn't it, or any San Francisco skyscapers, collapse?

Join Exploratorium geologist Eric Muller on a tour of world-famous geological features to be found in the national parkland just north of the Golden Gate bridge.

1:02:13
In this zany competition teachers will have ten minutes to create a science activity from a special St. Patrick's Day secret ingredient-things that are green!

1:17:34
How do opera singers sing loud enough to be heard over an orchestra? Can an opera singer's voice really break a wine glass? What's the difference between a baritone and a soprano? Discover the answers to these questions—and more!—in this presentation for families. Join physicist and composer Dr. Brian Holmes and San Francisco Opera Center Director Sheri Greenawald to explore how the art and science of singing combine in opera.