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    Colorado State University
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    In this activity, learners explore conservation of energy by experimenting with a solar cell light device. Learners will set the solar cell in the sun for varying times to charge the battery and...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    APSnet
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    In this laboratory exercise, learners will discover how many different plant hosts they can find that are infected by the same genus of a powdery mildew fungus, or how many different genera of...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners build particulate matter collectors--devices that collect samples of visible particulates present in polluted air. They place the collectors in various test sites and observe them over a...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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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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    The University of Texas McDonald Observatory
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    In this activity, learners use the Sun's energy to cook marshmallows. Learners construct the solar oven out of simple everyday materials. They experiment to see how the color of the...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor science/art activity, learners investigate spider webs by using string to create their own spider webs. Before making their own web models, learners look closely at spider webs in...

    $1 - $5 per student Ages 6 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor art/environmental activity, learners create designs that will attract attention to animals and plants in particular habitats, and then test whether their designs attracted the "...

    $1 - $5 per group Ages 6 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor activity linking human health to the environment, learners use their pulse rates as a measure of the effort expended in walking on different slopes. By checking their pulse rates...

    $1 - $5 per group Ages 8 - 18 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor simulation game, learners search for pretend animals called "sticklers" to determine and map where they live (habitat) and how spread out they are in that area ...

    $1 - $5 per group Ages 6 - 14 45 to 60 minutes
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    The Exploratorium
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    Have you ever heard of a camera without a lens? In this activity, learners create a pinhole camera out of simple materials. They'll see the world in a whole new way: upside down and backwards!...

    $1 - $5 per student Ages 8 - 18 45 to 60 minutes

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