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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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    This Exploratorium activity can be used in many contexts because geysers are great opportunities for learning about heat and temperature changes as well as geological/space science phenomena. You&...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    It's difficult to see convection currents in any liquid that's undergoing a temperature change, but in this Exploratorium Science Snack, you can see the currents with the help of food...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    In this activity, learners eat a snack and make a model of the plumbing system of a volcano. By cutting a small hole in the base of a clear cup of gelatin and injecting dye, learners see the...

    $5 - $10 per group Ages 8 - 18 10 to 30 minutes
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    In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun. Learners construct the photometer by making a grease spot on white paper...

    1 cent - $1 per student Ages 14 - 18 10 to 30 minutes
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    In this activity, learners explore Boyle's Law and discover that water will boil at room temperature if its pressure is lowered. Learners conduct an experiment using a plastic syringe and...

    1 cent - $1 per student Ages 11 - 18 10 to 30 minutes
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    In this activity, learners (at least three) work together to explore the effects of atmospheric pressure. A learner (at least 100 lbs) will step inside an extra large trash bag, while another...

    1 cent - $1 per group Ages 14 - 18 10 to 30 minutes
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    In this activity, learners simulate Otto von Guericke's famous Magdeburg Hemispheres experiment. In this modern, low cost version, a pair of learners try to pull apart two suction cups (dent...

    $10 - $20 per group Ages 11 - 18 10 to 30 minutes
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    This activity demonstrates liquefaction, the process by which some soils lose their solidity during an earthquake. Learners will use a loaf pan, sand, water and a brick to model what happens to...

    1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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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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