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    IEEE
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    In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air. Learners work in teams of "engineers" to design and build their own...

    $10 - $20 per group Ages 8 - 18 1 to 7 days
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    NASA
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    In this small-group activity, learners assume the roles of pilots, air traffic controllers, and NASA scientists to solve five Air Traffic Control (ATC) problems. Learners examine different distance...

    $5 - $10 per group Ages 8 - 18 1 to 7 days
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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 the engineering challenges of sending scientific sensors into space. Groups of learners will develop sensors to be deployed...

    Over $20 per group Ages 8 - 14 1 to 7 days
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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 hovercraft engineering and design optimization. Groups of learners with access to power tools and a wood shop will build a...

    Over $20 per group Ages 8 - 14 1 to 7 days
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    Twin Cities Public Television
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    This is an activity (located on page 3 of PDF) about composites, materials made of 2 or more different components. Learners will be challenged to build the best mud bricks, one of the earliest...

    $1 - $5 per group Ages 8 - 14 1 to 7 days
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    Lawrence Hall of Science
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    In this outdoor, night activity, learners track nocturnal animals' footprints, droppings and other signs of their presence. By setting out animal bait that has nontoxic, blacklight fluorescent...

    Over $20 per group Ages 6 - 14 1 to 7 days
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    Twin Cities Public Television
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    This is an activity (located on page 3 of PDF) about identifying nanoscale objects and phenomena in today's world. Learners will break into groups and conduct a "NanoBlitz Challenge,"...

    free Ages 8 - 14 1 to 7 days
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    Twin Cities Public Television
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    This activity (on page 3 of the PDF) is a full inquiry investigation into how some desert birds keep their cool. Learners will make four model Saguaro nests out of Styrofoam ice chests, insert...

    $10 - $20 per group Ages 8 - 14 1 to 7 days
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    American Museum of Natural History
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    This three-part activity shows learners how to build three meteorology tools: a wind vane, a rain gauge, and a barometer. Then, they can use their tools to build their own weather station to record...

    $1 - $5 per student Ages 8 - 14 1 to 7 days
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    Twin Cities Public Television
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    This activity is a full inquiry investigation into g-force and acceleration. Groups of learners will construct their own accelerometers. Then, with permission from their local amusement park, they...

    $5 - $10 per student Ages 8 - 14 1 to 7 days

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