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    Sciencenter
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    In this activity, learners use gumdrops and toothpicks to model the composition and molecular structure of three greenhouse gases: carbon dioxide (CO2), water vapor (H2O) and methane (CH4)....

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes

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    • Oregon Museum of Science and Industry (remove)
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