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    Omaha's Henry Doorly Zoo
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    In this activity, learners gain a better understanding of how household/school waste breaks down in a landfill. Learners collect trash and then create miniature landfills in 2-liter bottles....

    1 cent - $1 per student Ages 4 - 14 1 to 4 weeks
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    Bridge: Online Ocean Science Education Resource Center
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    Why is ocean water sometimes the warmest when the average daily air temperature starts to drop? In this activity, learners explore the differing heat capacities of water and air using real data....

    1 cent - $1 per student Ages 11 - 18 45 to 60 minutes
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    Centers for Ocean Sciences Education Excellence
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    This activity focuses on interactions within Earth systems and the effects of human activities. In this activity learners build a biomass pyramid. This game shows how factors affecting lower...

    1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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    Princeton University
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    This game introduces learners to the scale of the greenhouse gas problem, plus technologies that already exist to dramatically reduce our carbon emissions and prevent climate change. Players pick...

    1 cent - $1 per group Ages 14 - adult 2 to 4 hours
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    New York Hall of Science
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    In this inquiry-based lesson, learners measure the biomass of trees, calculate the carbon stored by the trees, and use this information to create recommendations about using trees for carbon...

    1 cent - $1 per student Ages 11 - 14 1 to 2 hours
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    Omaha's Henry Doorly Zoo
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    In this activity, learners can play two card games related to endangered species, specifically North American amphibians. In version one, "Guess My Amphibian," a learner secretly selects...

    1 cent - $1 Ages 6 - 11 5 to 10 minutes
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    American Association for the Advancement of Science
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    Learners discover that their breath contains carbon dioxide, one of the pollutants found in car exhaust. They blow bubbles into water, then use an indicator (bromothymol blue) to see that the water...

    1 cent - $1 per group Ages 8 - 11 5 to 10 minutes
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    Biotechnology and Biological Sciences Research Council
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    In this activity, learners use information gathered from a variety of sources to design and make their own insect. Learners design and create an insect using household and/or arts and crafts...

    1 cent - $1 per student Ages 4 - 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 mapping the underground “plumbing” of geysers. Groups of learners will mimic an actual investigation into the...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    Oregon Museum of Science and Industry
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    Learners compare the properties and solubilities of Styrofoam (TM), ecofoam packing peanuts, and popcorn. First, the solubility of each substance is tested in water. A drop of iodine is added to...

    1 cent - $1 per group Ages 11 - adult Under 5 minutes

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