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    The Exploratorium
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    In this edible experiment, learners pour "Magic Shell" chocolate into a glass of cold water. They'll observe as pillow shaped structures form, which resemble lavas on the sea floor.

    $1 - $5 per student Ages 8 - 18 5 to 10 minutes
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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
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    The Exploratorium
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    In this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages. This activity also...

    $1 - $5 per group Ages 11 - 18 1 to 2 hours
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    The Exploratorium
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    In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust. Learners measure the volume of a test tube with a small amount of steel...

    1 cent - $1 per student Ages 11 - 18 1 to 7 days
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    The Exploratorium
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    In this activity, learners create a model using metric measuring tapes and atmosphere composition data. Learners will investigate the major components of the atmosphere (nitrogen and oxygen) as...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners conduct an experiment to find out if steel wool will weigh more or less when it is burned. Learners will explore the effects of oxidation and rusting on the steel wool....

    $1 - $5 per student Ages 11 - 18 10 to 30 minutes

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