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    American Association of Physics Teachers
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    This lab activity has learners create a pendulum with a one-second period. Learners explore different physical properties as variables, such as length of the string and mass of the bob, to...

    $1 - $5 per student Ages 11 - adult 45 to 60 minutes
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    The Exploratorium
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    In this physics activity, learners assemble and/or investigate a pendulum "snake." Several large steel hex-nuts are suspended on strings of successively increasing length to form a series...

    $10 - $20 per group Ages 8 - 18
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    The Exploratorium
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    In this physics crime lab or demonstration, learners pretend they are criminologists and must find the "muzzle velocity" (speed of the bullet as it leaves the gun) of a gun used to commit...

    Over $20 per group Ages 14 - 18 1 to 2 hours
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners build and investigate pendulums of different lengths. They discover that the longer the string of the pendulum, the longer the time it takes to swing. Learners also discover that changing...

    $1 - $5 per group Ages 11 - 18 30 to 45 minutes
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    COSI
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    In this activity about magnetism (page 15 of the PDF), learners will explore how opposite and similar magnetic poles affect a swinging (pendulum) magnet. Learners will see firsthand how gravity and...

    $5 - $10 per group Ages 6 - 14 10 to 30 minutes
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    The Exploratorium
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    The Drawing Board consists of a marking pen that remains stationary and a platform that swings beneath the pen, acting as a pendulum. As the platform swings, the pen marks a sheet of paper that is...

    Over $20 per group Ages 8 - 14 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners use simple materials and basic tools to construct a special toy to explore pendulums. As the head of the toy bobs one way, the eyeballs bob the other way. This lesson...

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes
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    Twin Cities Public Television
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    In this full inquiry activity (located on page 3 of the PDF), groups of learners will make predictions about which feature of a pendulum (mass, length, or both) has any effect on its rate of...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    American Physical Society
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    Learners build a pendulum from a yo-yo, and then design their own experiment to determine what affects the pendulum's period of swing. They can alter the mass of the yo-yo by adding play dough...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    WGBH
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    In this design challenge activity follow up to "Kicking Machine", learners add a hands-free feature to their Kicking Machine. Learners modify their kicking machine to have it either...

    $5 - $10 per student Ages 8 - 14 30 to 45 minutes

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