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    Twin Cities Public Television
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    This activity (on page 2 of the PDF) is a full inquiry-based challenge related to motion and design optimization. Groups of learners will use construction paper to build a model bobsled run for a...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    COSI
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    In this physics activity (page 12 of the PDF), learners explore potential and kinetic energy by rolling different sized marbles down an inclined plane. Learners compare the amount of work done by...

    $1 - $5 per group Ages 4 - 14 10 to 30 minutes
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    WGBH
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    In this design challenge activity, learners modify a cup so it can carry a marble down a zip line and also drop it onto a target. Learners are encouraged to brainstorm answers to design questions,...

    $1 - $5 per student Ages 8 - 18 45 to 60 minutes
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    American Chemical Society
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    In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain. Antacid tablets made with calcium carbonate are used to represent marble (also made from...

    1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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    COSI
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    In this environmental science activity (page 4 of the PDF), learners use vinegar and chalk to observe the effect of acid rain on various building materials and plant life. Learners will explore how...

    $1 - $5 per group Ages 6 - 14 4 to 24 hours
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    Science Museum of Minnesota
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    In this activity, learners create a marble maze that contains sensors. As a metal marble triggers the sensors, the Pico Cricket turns on lights or spins motors. This is a great beginning activity...

    Over $20 per student Ages 8 - adult 2 to 4 hours
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    WGBH
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    In this activity, learners will build a roller coaster for a marble to run on using everyday household materials such as paper towel or toilet paper rolls, cups, boxes, books, buckets, chairs, etc....

    $1 - $5 per group Ages 6 - 11 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners will build a ball run contraption. Marble Machines are made from familiar materials, designed to send a rolling marble through tubes and funnels, across tracks and...

    Over $20 per group Ages 8 - adult 30 to 45 minutes