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    NASA
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    In this three-part activity, learners use food to determine the effects of wind, sandblasting and water on regolith (dust) formation and deposition on Earth. Then, learners simulate regolith...

    $1 - $5 per student Ages 8 - 18 45 to 60 minutes
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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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    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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    NCTM Illuminations
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    In this math activity, learners model a bungee jump using a Barbie® doll and rubber bands. The distance which the doll will fall is directly proportional to the number of rubber bands, so this...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners become beachcombers as they walk on a sandy beach in search of evidence of life. Learners gather examples and consider how the collected artifacts reached the...

    $1 - $5 per group Ages 4 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this wintertime outdoor activity, learners role play wolves tracking their prey by following scented trails. Many animals use scent to hunt, find mates, and mark territories, both by making...

    $1 - $5 per group Ages 6 - 14 45 to 60 minutes
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    TERC
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    An outdoor scavenger hunt helps learners consider the theme of "What Is Life?" Learners explore what living organisms are, including how organisms meet basic needs of food, shelter and...

    $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, 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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    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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