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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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    In this activity on page 14 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners turn plain pieces of recycled plastic into shrunken works of art. Explore the unique properties of...

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

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    • Oregon Museum of Science and Industry (remove)
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