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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.7-8 of PDF), learners examine fossil formation. Learners investigate the stages in the formation and finding of fossils: erosion, sedimentation, creatures dying and being buried...

    $10 - $20 per group Ages 8 - 11 10 to 30 minutes
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    Science Friday
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    In this activity, learners use aluminum trays and wooden blocks to form stream tables to investigate river formations in two different landscape scenarios. Learners compare and contrast how the...

    $10 - $20 per group Ages 11 - 14 45 to 60 minutes
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    Lunar and Planetary Institute
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    In this activity, dry ice and other items are used to construct a demonstration model of a comet that illustrates the comet nucleus, coma, and tails. This activity introduces learners to the...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy. This...

    $10 - $20 per group Ages 14 - 18 1 to 7 days
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    4-H
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    In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan. Learners...

    $10 - $20 per group Ages 8 - 11 45 to 60 minutes
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    Twin Cities Public Television
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    This activity (on page 3 of the PDF under GPS: Cactus Activity) is a full inquiry investigation into how some desert birds keep their cool. Learners will make four model Saguaro nests out of...

    $10 - $20 per group Ages 8 - 14 1 to 7 days
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    In this design-based activity, learners explore environments, ecosystems, energy flow and organism interactions by creating a model biodome. Learners become engineers who create model ecosystems....

    $10 - $20 per group Ages 11 - 14 4 to 24 hours
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    IEEE
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    In this activity, learners explore how the process of folding has impacts on engineering and is evident in nature. Learners consider many applications of folding such as parachutes, wings in a...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours
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    American Museum of Natural History
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    Using simple, inexpensive items, learners build and test submarine models. They gain insight into the engineering that's required to make these machines ascend, descend, and hover safely in...

    $10 - $20 per group Ages 11 - 18 45 to 60 minutes