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    The Exploratorium
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    In this weather-related activity, learners make a portable cloud in a bottle. Learners discover that clouds form when invisible water vapor in the air is cooled enough to form tiny droplets of...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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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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    In this activity, learners create a tornado in a bottle to observe a spiraling, funnel-shaped vortex. A simple connector device allows water to drain from a 2-liter bottle into a second bottle....

    $1 - $5 per student Ages 4 - 14 10 to 30 minutes
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    In this activity, learners explore why the sky is blue. Learners model the scattering of light by the atmosphere, which creates the blue sky and red sunset, using a flashlight and clear glue sticks...

    $1 - $5 per student Ages 8 - 14 5 to 10 minutes
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    The Exploratorium
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    In this activity, learners make a 3-D model of magnetic fields by inserting a small, strong magnet into a sphere. When learners sprinkle used staples onto the sphere, they'll see how the field...

    $1 - $5 per student Ages 8 - 14 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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    Did you know that a Slinky makes a handy model of earthquake waves? In this activity, learners use one or two of these simple toys to illustrate the different kinds of waves that transmit the...

    $1 - $5 per group Ages 8 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners use crayons to draw conclusions about rocks and the rock cycle. Learners form crayons ((which can be "weathered"—heated, compressed and cooled—like rocks) into...

    $5 - $10 per group Ages 8 - 18 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners model hot spot island formation, orientation and progression with condiments. Learners squirt a thick condiment sauce on a coarsely woven fabric to model how volcanic...

    $1 - $5 per student Ages 8 - 18 5 to 10 minutes
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    The Exploratorium
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    In this activity, two groups of learners create two separate landform models out of clay (mountains and valleys). Each group creates a two-dimensional model (a topographical map) of their landform...

    $1 - $5 per group Ages 8 - 18 45 to 60 minutes