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    Museum of Science and Industry, Chicago
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    Learners build a wind turbine and test it to see how much energy is created. Learners can build a variety of wind blades, test a variety of wind speeds and see what effect these have on the energy...

    Over $20 per student Ages 11 - 18 45 to 60 minutes
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    New Jersey Department of Education
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    In this activity, learners investigate the different salinity levels of oceans, rivers and estuaries. Learners then use experimentation to determine which sample is the best model of each type of...

    Over $20 per group Ages 8 - adult 1 to 7 days
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    NASA
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    In this two-part activity, learners work in pairs to examine the four basic stages of a turbine engine. During the first part of the lesson, learners visit three stations: Combustion, Compression,...

    Over $20 per group Ages 11 - 14 45 to 60 minutes
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    COSI
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    In this environmental science activity (page 3 of the PDF), leaners will identify and explain the causes of erosion. They will observe the effects of erosion on the surrounding area and further...

    Over $20 per group Ages 8 - 11 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 lesson, learners study flood dynamics as they modify a riverbed with blockages or levees to simulate real-world scenarios. Learners will learn about floodplains, consider...

    Over $20 per group Ages 11 - 14 1 to 2 hours