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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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    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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    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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    Windows to the Universe
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    In this activity, learners investigate various appliances and electronics, discovering how much energy each uses and how much carbon dioxide (CO2) is released to produce that energy. Learners use a...

    Over $20 per group Ages 11 - 18 1 to 2 hours
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    Science Friday
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    In this activity, learners examine the different materials gardeners add to their soil, and discuss how these materials are important for plant growth. Learners explore how to build a sustainable...

    Over $20 per student Ages 11 - 14 45 to 60 minutes
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    Make
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    In this activity, learners create a sealed, mini ecosystem that supplies freshwater shrimp with food, oxygen, and waste processing for at least three months. Learners will collect water, amphipods,...

    Over $20 per student Ages 8 - 18 1 to 12 months
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    Centers for Ocean Sciences Education Excellence
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    In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms. In part one,...

    Over $20 per group Ages 8 - 18 1 to 2 hours
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    Liberty Science Center
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    In this activity, learners interact with a 3-D model of a watershed to better understand the interconnectedness of terrestrial and aquatic environments. The instructions contain suggestions for ...

    Over $20 per group Ages 4 - adult 5 to 10 minutes
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    Lunar and Planetary Institute
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    In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water...

    Over $20 per group Ages 4 - 14 10 to 30 minutes
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    NISE Network
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    In this activity, learners explore how the application of nano-sized particles or coatings can change a bigger material’s properties. Learners investigate the hydrophobic properties of plants, nano...

    Over $20 per group Ages 4 - adult 10 to 30 minutes

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