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    COSI
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    This is an online game about the complexities of farming. Learners will "draw" cards and make decisions about how to take care of their farm. Through this process, they will learn farming...

    free Ages 8 - 18 5 to 10 minutes
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    4-H
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    In this experiment, learners use a blow dryer and water bottle to observe and record changes in air pressure caused by changes in temperature. Educators can use this activity to explain how changes...

    $5 - $10 per group Ages 8 - 14 5 to 10 minutes
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    WGBH
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    This activity is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Learners look through two cups with small holes in them to...

    1 cent - $1 per group Ages 6 - adult 5 to 10 minutes
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    Twin Cities Public Television
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    In this online Flash game, learners will explore a coral reef using an underwater remotely operated vehicle (ROV). Faced with concerns that environments around the world might be undergoing rapid...

    free Ages 6 - 14 5 to 10 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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    Oregon Museum of Science and Industry
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    Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel. Learners also add an indicator to each solution that...

    1 cent - $1 per group Ages 14 - adult 5 to 10 minutes
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    Children's Museum Of Houston
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    In this activity, learners conduct an experiment by heating an aluminum can filled with water to investigate air pressure. Learners will be amazed at what happens to the can at the end of the...

    free Ages 8 - 14 5 to 10 minutes
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    New England Aquarium
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    In this quick activity, learners explore how blubber protects animals from the cold by making a "blubber mitt." Using cooking shortening, two zip-top sandwich bags, and duct tape,...

    $1 - $5 per student Ages 4 - 11 5 to 10 minutes
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    New England Aquarium
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    In this activity about sea otters, learners make their own "otter whiskers" and use them to find objects underwater. Using simple materials, learners construct "whiskers" and...

    1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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    NOAA
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    In this activity, learners discover how to determine the distance to a lightning strike or nearby thunderstorm. Learners participate in a series of exercises that simulate how the sound of thunder...

    free Ages 6 - 14 5 to 10 minutes

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