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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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    NASA
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    In this robotics activity, learners drive a remote-controlled car through a course to learn the challenges faced while trying to operate a planetary rover. They use measurement, geometry and...

    1 cent - $1 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 friction and how ball bearings reduce friction. Learners investigate different uses for ball bearings, how the design has changed over time to...

    $1 - $5 per group Ages 8 - 18 45 to 60 minutes
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    IEEE
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    In this activity, learners explore the design of rubber band powered cars. Learners work in teams of "engineers" to design and build their own rubber band cars out of everyday items. They...

    $5 - $10 per group Ages 8 - 18 1 to 2 hours
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    IEEE
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    In this activity, learners explore the history, design and motion of spinning tops. Learners work in teams of "engineers" to design and build their own tops out of everyday items. Their...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours
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    IEEE
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    In this activity, learners explore sports engineering and advanced materials development. Learners work in a team to devise a racquet out of everyday materials that could be used to volley a ping...

    $10 - $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 how brakes can stop or slow mechanical motion. Learners examine the operation of a bicycle brake and use low cost materials to devise a simple...

    $5 - $10 per group Ages 8 - 11 45 to 60 minutes
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    IEEE
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    In this activity, learners review the history of gumball machines and explore potential and kinetic energy, while working in teams to build a gumball slide. Teams then design and build their own...

    Over $20 per group Ages 8 - 18 2 to 4 hours
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    NASA
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    In this Engineering Design Challenge activity, learners will use balloons to investigate how a multi-stage rocket, like that used in the Interstellar Boundary Explorer (IBEX) mission, can propel a...

    $1 - $5 per student Ages 8 - adult 10 to 30 minutes
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    Colorado State University
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    In this activity, learners explore the relative efficiency of different bulbs, specifically incandescent vs. fluorescent. Learners will observe that energy "wasted" from an incandescent...

    Over $20 per group Ages 8 - 14 10 to 30 minutes

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