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    Make
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    Agriculturalists have long considered mushroom growing a challenge, largely because you need a piece of benchtop equipment known as a laminar flow hood. In this activity, learners make their own ...

    Over $20 per group Ages 11 - adult 1 to 4 weeks
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    University of Utah
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    What is the optimal environment for hatching brine shrimp? Using a scaffold, learners design and conduct experiments testing the effect of a single abiotic factor on brine shrimp cyst hatch rate....

    Over $20 per group Ages 11 - 18 1 to 7 days
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    IEEE
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    In this activity, learners explore how anemometers work to record wind speeds and how the equipment has undergone engineering adaptations over time. Learners work in teams of "engineers"...

    Over $20 per group Ages 8 - 18 1 to 2 hours
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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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    University of Utah
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    In this laboratory experiment, learners explore how effectively different sunscreens protect yeast cells from damage caused by ultraviolet (UV) radiation. Learners may compare differing SPFs of the...

    Over $20 per group Ages 8 - adult 1 to 2 hours
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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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    4-H
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    In this activity, learners create a battery from fruit. This activity helps learners explore electricity, electrochemistry, and series circuits as well as the process of scientific inquiry....

    Over $20 per group Ages 8 - 14 1 to 2 hours
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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