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    The Exploratorium
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    Ocean acidification is a big issue due to the amount of carbon dioxide humans release. CO2 in the atmosphere is absorbed into the ocean thus changing its acidity. The more acidic the ocean becomes,...

    $1 - $5 per student Ages 11 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners conduct an experiment to find out if steel wool will weigh more or less when it is burned. Learners will explore the effects of oxidation and rusting on the steel wool....

    $1 - $5 per student Ages 11 - 18 10 to 30 minutes

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Earth and Space Science Subject