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    Twin Cities Public Television
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    This activity (on page 2 of the PDF) is a full inquiry investigation into sound. Groups of learners will use a decibel meter or a simple set of benchmark sounds to record and quantify sound levels...

    Over $20 per group Ages 8 - 14 2 to 4 hours
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    Lawrence Hall of Science
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    In this outdoor activity, learners release a portion of a lawn from human control—no mowing, no watering, no weeding, no pest control—and then investigate the changes that result over several weeks...

    Over $20 per group Ages 6 - 14 1 to 12 months
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    WGBH
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    In this engineering activity, learners will get acquainted with the basics of wind energy and power production by fabricating and testing various blade designs for table-top windmills constructed...

    Over $20 per group Ages 11 - 14 2 to 4 hours
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    Lunar and Planetary Institute
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    In this activity, teams of learners study magnetic fields at four separate stations: examining magnetic fields generated by everyday items, mapping out a magnetic field using a compass, creating...

    Over $20 per group Ages 8 - 14 45 to 60 minutes
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    Children's Museum of Indianapolis
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    In this activity, learners participate in a simulated dig to discover fossilized dinosaur bones. Learners take notes, make a map and propose theories about dinosaurs. This can be used as a...

    Over $20 per group Ages 8 - 11 1 to 2 hours
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    Twin Cities Public Television
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    In this goopy activity, learners will model glacial movement with “gak,” a white glue and liquid starch mixture. Each fist-sized gob of gak represents a year’s worth of snow, accumulating to form a...

    Over $20 per group Ages 8 - 14 10 to 30 minutes
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    IEEE
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    In this activity, learners explore computer programming and the impact of computers on society. Learners build and test a program to turn a light on and off using an Arduino board. They connect the...

    Over $20 per group Ages 11 - 18 1 to 2 hours
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    NSBRI
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    In this activity about heart health (on page 34 of the PDF), learners measure their own blood pressure using an electronic blood pressure monitor with a self-inflating cuff (included in cost of...

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy
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    In this activity, learners will be introduced to biomass gasification and will generate their own biomass gases. Learners generate these gases everyday on their own and find it quite amusing, but...

    Over $20 per group Ages 14 - 18 2 to 4 hours
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    Twin Cities Public Television
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    In this activity (page 1 of the PDF), learners will use a home video camera with a “night vision” mode to test how various inks appear outside the spectrum of visible light. In a darkened room,...

    Over $20 per group Ages 8 - 14 30 to 45 minutes

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