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    Science Friday
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    In this activity, learners explore phosphorescence and how certain materials can absorb and store energy from a light source. Learners use critical thinking skills to hypothesize which type of...

    $10 - $20 per group Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    Align four color transparencies, each one a single color (cyan, magenta, yellow, and black), and see a beautiful full color image. Make sure you have access to a color printer that can print to a...

    1 cent - $1 per student Ages 6 - 14 Under 5 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners conduct two activities to investigate two properties of liquids: density and viscosity. In a clear container, learners stack 7 different liquids which will layer according to their density...

    $5 - $10 per group Ages 11 - 14 30 to 45 minutes
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    Oregon Museum of Science and Industry
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    This online activity has you order multiple images of a bouncing ball to show how, in animation, an object appears to lengthen as it falls, flatten as it hits the ground, and lengthen as it bounces...

    free Ages 6 - adult Under 5 minutes
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    The Exploratorium
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    In this activity, learners use a simple trick of perspective to dress friends in tiny cutout clothing. Learners make tiny pants out of card stock and tape them to the end of a stick. Then, learners...

    1 cent - $1 per group Ages 6 - 18 5 to 10 minutes
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    Twin Cities Public Television
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    In this online Flash game, learners will explore a coral reef using an underwater remotely operated vehicle (ROV). Faced with concerns that environments around the world might be undergoing rapid...

    free Ages 6 - 14 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    This online activity lets learners create a flipbook of a dancing stick figure. Learners choose from a dozen different dance moves, and put them in any sequence they wish, including repeating moves...

    free Ages 8 - 14 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity (posted on March 20, 2011), learners follow the steps to construct a stroboscope, a device that exploits the persistence of vision to make moving objects appear slow or stationary....

    $5 - $10 per student Ages 8 - 18 1 to 2 hours
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    American Chemical Society
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    In this activity on page 4 of the PDF, learners make some special effects, including snow and breaking glass, with supplies found in the home. In the first activity, learners make and observe four...

    $10 - $20 per student Ages 8 - 14 1 to 2 hours
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    Optical Society of America
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    In this optics activity, learners use a television to generate an image with a magnifying glass. Learners will be surprised to see how they can watch TV on a piece of paper, albeit upside down! Use...

    free Ages 6 - 11 Under 5 minutes

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