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    National Geographic Society
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    In this activity, learners explore how pneumatics and hydraulics could be used to produce movement in a robotic arm. Learners investigate the differences between pneumatics and hydraulics and...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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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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