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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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    IEEE
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    In this activity, learners explore how engineers have improved roofing designs and materials in order to protect the contents of buildings. Learners explore the hydrophobic effect, and learn about...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours
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    Children's Museum of Indianapolis
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    In this three/four-day lesson, learners calculate perimeters and areas and draw the castle plan to scale. They develop a timeline outlining the construction of a castle and build catapults, a...

    $5 - $10 per group Ages 8 - 14 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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    IEEE
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    In this activity, learners explore rocketry and the principals of space flight. Learners work in teams with adult supervision and construct and launch a rocket from a soda bottle and everyday...

    Over $20 per group Ages 8 - 18 1 to 2 hours
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    Twin Cities Public Television
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    In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    WGBH
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    In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build. Learners think about a familiar shape in new ways, brainstorm shelter...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    4-H
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    In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight. Learners can test their kite...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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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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    Twin Cities Public Television
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    This activity (on page 2 of the PDF SciGirls Activity: Milk Carton Boat) is a full inquiry investigation into boat hull design. Groups of learners will use empty half-pint milk cartons to fashion...

    $10 - $20 per group Ages 8 - 14 4 to 24 hours

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The Nature of Technology Subject