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    University of Alaska Fairbanks
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    In this activity related to climate change, learners examine albedo and the ice albedo feedback effect as it relates to snow, ice, and the likely results of reduced snow and ice cover on global...

    1 cent - $1 per group Ages 14 - 18 45 to 60 minutes
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    New England Aquarium
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    In this activity, learners make a model of the hot water of a deep sea vent in the cold water of the ocean to learn about one of the ocean's most amazing and bizarre underwater habitats. This...

    1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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    Museum of Science and Industry, Chicago
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    Learners act as engineers and design mini submarines that move in the water like real submarines. The submarines must be able to float, sink, and hover steadily without touching the top of the...

    1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners make a skydiver and parachute contraption and launch it. They see that the drag created by air resistance slows the descent of skydivers as they travel back to Earth. This activity can be...

    1 cent - $1 per group Ages 11 - 18 30 to 45 minutes
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    NSBRI
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    In this activity (page 95 of the PDF), learners create Escher Staircase models similar to those that were used by Neurolab's Spatial Orientation Team to investigate the processing of...

    1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
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    4-H
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    In this activity, learners work in pairs to conduct a series of experiments using a balloon, drinking straw, and paper. Learners record their observations on an Experiment Log and eventually build...

    1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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    Twin Cities Public Television
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    In this quick activity (page 1 of the PDF), learners will test how many pennies a flat paper index card bridging the gap between two stacks of books is able to support. Then, learners alter the...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    New Jersey Institute of Technology
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    Using paper, paper clips, an index card, and tape, teams of learners design flying devices to (1) stay in the air as long as possible and (2) land as close as possible to a given target. Teams will...

    1 cent - $1 per group Ages 11 - 14 45 to 60 minutes