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    The Exploratorium
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    This activity guide includes instructions on how to build a "Shake Table" by mounting an eccentric mass (off center) on the shaft of a small dc motor. Learners use this table to simulate...

    Over $20 per group Ages 11 - 18 45 to 60 minutes
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    The Exploratorium
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    In this seismic simulation, learners play a "who-dunnit" game to explore earthquakes. Learners act as the source, carriers, and detectors of earthquake waves, while the group determines...

    free Ages 11 - adult 1 to 2 hours
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    The Exploratorium
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    This activity demonstrates liquefaction, the process by which some soils lose their solidity during an earthquake. Learners will use a loaf pan, sand, water and a brick to model what happens to...

    1 cent - $1 per group Ages 8 - 18 10 to 30 minutes