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    Association of Zoos and Aquariums
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    In this activity, learners discover how landfills affect the natural environment. By observing a 2-liter bottle filled with household garbage over a month, learners can estimate how long it takes...

    free Ages 8 - 18 1 to 4 weeks
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    The Exploratorium
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    In this activity related to magnetism and electricity, learners discover that a magnet falls more slowly through a metallic tube than it does through a nonmetallic tube. Use this activity to...

    $1 - $5 per group Ages 8 - 18 10 to 30 minutes
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    Make
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    In this activity, learners build a "pneumatic trough," a laboratory apparatus used for collecting pure gas samples over water. After building this device, learners can put it to use and...

    $10 - $20 per student Ages 14 - adult 30 to 45 minutes
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    The Science House
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    In this chemistry activity, learners observe a combustion reaction and deduce the components necessary for the reaction to occur. They will also see the relationship between pressure, volume, and...

    1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
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    WGBH
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    In this invention challenge activity, learners create an indoor game for one or two people that gets you moving. This lesson guide includes instructions on how to play an “imagine new uses for old...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.23 of PDF), learners dye wool with fungi. Learners discover that natural chemicals in fungi can dye wool different colors. Note: Natural dyeing normally requires a color...

    $10 - $20 per group Ages 11 - 14 2 to 4 hours
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    Lawrence Hall of Science
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    In this outdoor activity, learners build bird nests and place them in the activity area, then play the role of naturalists as they try to locate each other's nests. Learners consider how bird...

    $1 - $5 per group Ages 6 - 11 45 to 60 minutes
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    Aquarium of the Bay
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    In this activity (page 2 of pdf), learners craft a model of a skate egg case and come to understand that cartilaginous fish such as sharks and shakes employ reproductive strategies that differ from...

    1 cent - $1 per student Ages 6 - 11 1 to 7 days
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    Science Museum of Minnesota
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    In this activity, you take regular dominoes, and turn them into conductive switches that can turn on a LEGO RCX block or Pico Cricket (micro controller). LEGO RCX block or Pico Cricket is required....

    Over $20 per group Ages 8 - adult 2 to 4 hours
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    The Exploratorium
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    Play keep away from your cat by using a static charge to suspend a piece of tinsel in the air. This Exploratorium produced activity also features videos to help create and learn about this phenomenon.

    1 cent - $1 per student Ages 6 - 14 5 to 10 minutes

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