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    American Chemical Society
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    In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility....

    $1 - $5 per student Ages 8 - 14 45 to 60 minutes
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    American Chemical Society
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    In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain. Antacid tablets made with calcium carbonate are used to represent marble (also made from...

    1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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    American Chemical Society
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    Learners compare the weight of equal volumes of wax, water, and clay. Learners discover that since the wax weighs less than an equal volume of water, it is less dense than water and will float. And...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    American Chemical Society
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    In this activity, learners explore the relationship between cooling water vapor and condensation. Learners investigate condensation forming on the outside of a cold cup. To see if the condensed...

    1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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    American Chemical Society
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    What causes frost to form on the outside of a cold container? In this activity, learners discover that liquid water can change states and freeze to become ice. This can be used as a follow-up...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    American Chemical Society
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    In this activity on page 7 of the PDF, learners make their own water treatment systems for cleaning water. Learners construct two filters to test: one with sand and one with sand and charcoal....

    $5 - $10 per student Ages 8 - 14 45 to 60 minutes
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    American Chemical Society
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    Learners investigate how the temperature of water affects its density. Learners place colored hot and cold water in a cup of room-temperature water to see that cold water sinks while hot water...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    American Chemical Society
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    In this activity on page 4 of the PDF, learners conduct some quick and easy tests to determine the differences between water and other liquids that look very similar to water. Learners compare how...

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

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