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    University of Kansas
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    In this activity, learners predict where a ball will go after it bounces off another object. Learners discover that the motion of objects is predictable based on laws of motion. Use this activity...

    1 cent - $1 per group Ages 6 - 11 45 to 60 minutes
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    Smithsonian National Zoological Park
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    In this family or group activity, learners conduct a chromatography experiment to reveal the colors that leaves "hide" under their green pigments. Use this experiment to predict what...

    $1 - $5 per student Ages 6 - 14 45 to 60 minutes
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    University of California Museum of Paleontology
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    Learners manipulate opaque, sealed boxes and attempt to determine their interior structures. Each box contains a moving ball and one or more fixed barriers. Use this activity to introduce students...

    $1 - $5 per group Ages 8 - 11 45 to 60 minutes
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    Twin Cities Public Television
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    In this activity, learners will use food cans of many different properties (sizes, shapes, and weights) and set two cans on their sides at the top of a ramp. Learners will make predictions about...

    free Ages 8 - 14 45 to 60 minutes
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    WGBH
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    In this water activity, learners test which objects float and which sink. Learners discover that objects behave differently in water. Learners are also introduced to the idea of "predicting...

    $5 - $10 per group Ages 4 - 6 30 to 45 minutes
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    Twin Cities Public Television
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    This activity (on page 3 of the PDF) is a full inquiry investigation into how "bounciness" relates to the distance a ball will fly when hit off a batting tee. Groups of learners will...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    WGBH
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    In this water activity, learners build boats that float and sink. First, learners listen to the book, "Who Sank the Boat" and practice making predictions throughout the story. Then,...

    $5 - $10 per group Ages 4 - 6 45 to 60 minutes
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    University of California Museum of Paleontology
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    Learners explore the physical properties of a variety of balls and how they bounce. The point of the activity is not necessarily to have students arrive at a precise explanation for the phenomena...

    $1 - $5 per group Ages 11 - 18 30 to 45 minutes
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    American Chemical Society
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    Learners place an M&M candy in water and observe what happens. The sugar-and-color coating dissolves and spreads out in a circular pattern around the M&M. This introductory activity...

    1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    In this quick SciGirls activity (page 1 of the PDF), learners will be introduced to the concept of thermal conductivity. A metal knife and a plastic knife are each poked into slices of cold butter...

    1 cent - $1 per group Ages 8 - 14 30 to 45 minutes

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