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    Science Museum of Minnesota
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    Experiment with friction and make bearings for a whirligig! This activity is a nice introduction to friction and bearings and demonstrates why bearings are useful for spinning. A related video show...

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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    Twin Cities Public Television
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    In this engineering activity, learners design and build a mechanical arm to lift a small item. Learners must follow certain design constraints as they build an arm that can lift a paper cup from...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    American Association for the Advancement of Science
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    In this online game, learners build complicated machines to complete simple tasks. The game starts with a power source on one side of the screen and the task on the other side. Learners select...

    free Ages 8 - 11 5 to 10 minutes
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    Science Museum of Minnesota
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    Build your own Mini Mini Golf Course and learn about hands-on building and design, basic circuitry, motion modules and more! Start with the step-by-step photo documentation of other teams'...

    $5 - $10 per student Ages 8 - 18 1 to 4 weeks
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    National Geographic Society
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    In this activity, learners experiment with gear motion to understand how gears work to change the amount of force, speed, or direction of motion in machines. Learners discover that gears allow for...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    Children's Museum of Indianapolis
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    In this activity, learners explore work, forces, simple machines, and construction. This lesson guide includes simple ways to demonstrate these principles as well as hands-on activities. For...

    $1 - $5 per group Ages 4 - 8 1 to 2 hours
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    Twin Cities Public Television
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    In this engineering activity, learners explore simple machines and then build cardboard automata using cams. Learners are also challenged to build a complex machine--a moving sculpture that tells a...

    $5 - $10 per group Ages 8 - 14 2 to 4 hours
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    Community Science Workshop Network
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    In this activity, learners build their own construction cranes using tongue depressors and pushpins. Learners use simple tools to build the cranes and then have fun operating the crane to scoop and...

    $1 - $5 per student Ages 6 - 14 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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    New York Hall of Science
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    This is an activity about motion, power, air and Newton’s Third Law of Motion, which states that for every action there is an equal and opposite reaction. Learners will harness the power of thrust...

    1 cent - $1 per student Ages 4 - 11 10 to 30 minutes

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