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    NISE Network
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    In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed. Learners investigate the history of piezoelectricity, how it's used, and...

    Over $20 per group Ages 4 - adult 10 to 30 minutes
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    Lunar and Planetary Institute
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    In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water...

    Over $20 per group Ages 4 - 14 10 to 30 minutes
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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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    Omaha's Henry Doorly Zoo
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    In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians. The field study allows learners to go into the...

    Over $20 per group Ages 8 - adult 2 to 4 hours
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    IEEE
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    In this activity, learners explore how engineers work to solve the challenges of a society, such as efficient planting and harvesting. Learners work in teams to devise a system using everyday...

    Over $20 per group Ages 8 - 18 1 to 2 hours
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    IEEE
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    In this activity, learners explore the concept of valve operation and how engineers have adapted valves for use in mechanical heart valve design. Learners read about several different valves used...

    Over $20 per group Ages 8 - adult 1 to 2 hours
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    IEEE
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    In this activity, learners explore how civil engineers solved the challenge of moving water via irrigation. Learners work in teams of "engineers" to design and build their own "...

    Over $20 per group Ages 8 - 18 1 to 2 hours
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    IEEE
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    In this activity, learners explore how the pendulum has been a reliable way to keep time for centuries. Learners work in teams to build their own working clock using a pendulum out of everyday...

    Over $20 per group Ages 8 - 18 1 to 2 hours
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    IEEE
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    In this activity, learners explore how environmental engineers might approach solving the problem of an oil spill. Learners work in teams of "engineers" to develop a system to contain and...

    Over $20 per group Ages 8 - 18 1 to 2 hours
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    NASA
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    By tossing, collecting, and sorting beanbags, learners understand how the IBEX spacecraft uses its sensors to detect and map the locations of particle types in the interstellar boundary. Learners...

    Over $20 per group Ages 11 - 18 30 to 45 minutes

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