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    BioEd
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    In this activity, learners observe what happens when yeast cells are provided with a source of food (sugar). Red cabbage "juice" will serve as an indicator for the presence of carbon...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    COSI
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    In this Energy and Environment activity (page 9 of the PDF), learners calculate the mass of a piece of gum, compare it to the mass of the gum's packaging, and then create a bar graph of the...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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    Twin Cities Public Television
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    This activity (page 2 of the PDF) is a full inquiry investigation into decomposition. Groups of learners will carefully observe and record the appearance of items, such as an apple, that can...

    $10 - $20 per group Ages 8 - 14 1 to 4 weeks
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    Lawrence Hall of Science
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    In this outdoor, nighttime activity, learners gather around a brightly lit, white surface and study the behavior of nocturnal animals attracted to the light, particularly night fliers. Learners...

    $1 - $5 per group Ages 4 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Lunar and Planetary Institute
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    In this activity, learners discover the relationship between temperature and pressure in the lower atmospheres of Jupiter and Earth. Learners chart the increasing temperature as they add pressure...

    $10 - $20 per group Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    In this activity, learners explore the difference between compact fluorescent light (CFL) bulbs and traditional incandescent bulbs. Learners examine which light bulbs are more energy efficient by...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    This activity (located on page 3 of the PDF) is a full inquiry investigation into the relationship between an object’s mass and the distance it is thrown by a catapult. Groups of learners will...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    Lawrence Hall of Science
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    In this outdoor activity, learners release a portion of a lawn from human control—no mowing, no watering, no weeding, no pest control—and then investigate the changes that result over several weeks...

    Over $20 per group Ages 6 - 14 1 to 12 months
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners develop an understanding of air pressure in two different activities. They model the magnitude of air pressure as gravitational force per unit area, and they use cookie wafers to model how...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes

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