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    New Jersey Department of Education
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    In this investigation, learners explore the force known as buoyancy by placing various objects into water and observing how they behave (for example, which sink more quickly, which float, how much...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners use heat to separate zinc and copper in a penny. This experiment demonstrates physical properties and how physical change (phase change) can be used to separate matter.

    1 cent - $1 per student Ages 11 - 18 5 to 10 minutes
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    The Exploratorium
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    In this activity, learners discover the primary physical properties used to separate pure substances from mixtures. Learners use test tubes, beakers, magnets, and other tools to separate a mixture...

    $1 - $5 per group Ages 8 - 18 1 to 7 days
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    University of Nebraska State Museum
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    In this activity (on pages 18-29) learners explore the impact of the March 24, 1989 oil spill in Alaska caused by the Exxon Valdez tanker. First they use a map to track the movement of the spill...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    Twin Cities Public Television
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    In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7. Learners then categorize plastics based on characteristics...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    This activity (on page 3 of the PDF under GPS: Biodiversity Activity) is a full inquiry investigation into biodiversity. Groups of learners will go to the zoo to look at animal feet, making a list...

    free Ages 8 - 14 1 to 2 hours
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    Twin Cities Public Television
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    In this activity (on page 2 of PDF under GPS: Roller Coaster Design Activity), learners will use food cans of many different properties (sizes, shapes, and weights) and set two cans on their sides...

    free Ages 8 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    This is an activity (located on page 3 of PDF under Hockey Sticks Activity) about composites, materials made of 2 or more different components. Learners will be challenged to build the best mud...

    $1 - $5 per group Ages 8 - 14 1 to 7 days
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    American Chemical Society
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    In this activity, learners separate materials based on their special properties to mimic the way recyclables are sorted at recycling centers. Learners observe if various objects are attracted to a...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    American Chemical Society
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    In this activity on page 12 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners examine how recyclable materials are separated by various properties at recycling centers. Learners...

    $5 - $10 per student Ages 8 - 14 45 to 60 minutes