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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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    WGBH
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    During this interactive "survival" game, students learn about the importance of camouflage and how it helps animals to blend into their surroundings, as either predator or prey. Learners...

    $1 - $5 per group Ages 6 - 11 45 to 60 minutes
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    WNET.ORG
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    From the Weather Watchers featured theme on the CYBERCHASE website. Learners will conduct experiments to discover how air temperature and humidity work together to make condensation, dew, and fog....

    $1 - $5 per group Ages 8 - 11 45 to 60 minutes
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    PBS
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    In this math lesson, learners identify the relationship between the number of sides in a regular polygon and the number of struts needed to make each polygon rigid. Learners build polygons using...

    $1 - $5 per group Ages 8 - 11 45 to 60 minutes