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    New Jersey Department of Education
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    Learners demonstrate how water can distort, refract and magnify light. In an investigation called Underwater Differences, learners do activities including the Broken Pencil, examining how a pencil...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    The Exploratorium
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    In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.). The device produces a record of...

    Over $20 per group Ages 14 - 18 1 to 2 hours
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    The Exploratorium
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    In this physics activity, learners conduct two experiments to explore free-falling. In the first experiment, water-filled plastic bottles with holes in them spurt water under normal conditions, but...

    $5 - $10 per group Ages 11 - 18 45 to 60 minutes
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    Science Museum of Minnesota
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    A design challenge that takes paper airplanes into an entirely different direction: a magnus glider uses cups and and rubber bands to create a glider that uses the same forces that a curveball ...

    1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
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    New York Hall of Science
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    This is a hands-on activity about the physics of tennis. Learners will discover that physics plays a big part in tennis, no matter what their skill level might be. The activity has learners...

    $10 - $20 per student Ages 8 - 14 30 to 45 minutes
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    The Exploratorium
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    What happens when two wave pulses meet in the middle? Send waves down a spring to watch them travel and interact. This activity, developed by the Exploratorium, uses an old fashioned phone cord and...

    1 cent - $1 per student Ages 4 - 18 Under 5 minutes
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    Community Science Workshop Network
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    In this activity, learners build a hovercraft using a paper plate, cup, and simple motor. Learners follow simple instructions that include helpful photos to build a vehicle that glides over a...

    $1 - $5 per student Ages 6 - 14 45 to 60 minutes
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    WNET
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    In this fun hands-on activity learners explore a simple machine: the lever. What happens to a load when you multiply the length of a lever? Find out here! The activity is related to an episode of...

    $1 - $5 per student Ages 8 - 11 45 to 60 minutes
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    Twin Cities Public Television
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    This activity is a full inquiry investigation into g-force and acceleration. Groups of learners will construct their own accelerometers. Then, with permission from their local amusement park, they...

    $5 - $10 per student Ages 8 - 14 1 to 7 days
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    New York Hall of Science
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    This is an activity about circular motion. Learners will explore the laws of motion and force by observing circular motion. All you need to do this activity is a clear balloon, a penny and a marble...

    1 cent - $1 per student Ages 8 - 14 10 to 30 minutes

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