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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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    TERC
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    In this activity, learners create a soil and water model of a single-cell life environment and study living microorganisms. Over a period of many days, learners observe the interaction of soil,...

    $5 - $10 per group Ages 8 - 18 1 to 7 days
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    NISE Network
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    In this activity, learners investigate how some butterfly wings get their color. Learners compare Buttercup and Blue Morpho butterflies and discover what happens when they shine light at each of...

    Over $20 per group Ages 4 - adult 10 to 30 minutes
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    The Exploratorium
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    In this geology activity learners build a "squeeze box," which allows them to compress layers of sediment. This is a great way to investigate folding and faulting in the Earth. The...

    $10 - $20 per group Ages 8 - 18 5 to 10 minutes
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    NOAA
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    In this activity, learners make a model of a pollution spill that occurred at Bangs Lake in Mississippi and measure water quality parameters in their model. Learners then study the actual spill,...

    Over $20 per group Ages 14 - 18 2 to 4 hours
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    GreenLearning Canada
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    Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons. The model generates a surprising amount of electricity, enough to light a...

    $10 - $20 per student Ages 11 - 18 1 to 2 hours
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    Lawrence Hall of Science
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    In this outdoor activity, learners search for lichen, a combination of a fungus and an alga living together. Lichen grow where most other plants cannot, on rocks, the trunks of trees, logs and sand...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours
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    University of Utah
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    In this activity, learners examine how brine shrimp populations can survive in some of the harshest environments. Learners subject brine shrimp cysts to extreme conditions to evaluate the hardiness...

    Over $20 per group Ages 11 - 18 1 to 7 days
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    American Community Gardening Association
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    In this field trip, learners visit a community garden, take a tour, and interview the gardener. In-depth lesson plans include guidelines for how to prepare for the trip, from logistics to...

    $1 - $5 per group Ages 8 - 18 4 to 24 hours
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    American Museum of Natural History
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    This activity helps learners understand how the angle of the Sun affects temperatures around the globe. After experimenting with a heat lamp and thermometers at differing angles, learners apply...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes

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