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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 delivering safe drinking water. Learners work in teams to devise a system using everyday...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours
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    Twin Cities Public Television
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    In this activity (page 1 of PDF), learners will construct an air cannon by cutting a hole in the bottom of a bucket and stretching a garbage bag over the other end. Then, they aim the cannon at a...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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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 meteorology and forecasting. Learners will research weather folklore, specifically looking for old-fashioned ways of...

    $1 - $5 per student Ages 8 - 14 1 to 4 weeks
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    4-H
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    In this indoor and/or outdoor activity, learners make an anemometer (an instrument to measure wind speed) out of a protractor, a ping pong ball and a length of thread or fishing line. This is a...

    1 cent - $1 per student Ages 8 - 14 10 to 30 minutes