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    Oregon Museum of Science and Industry
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    In this experiment, learners will conduct chemical and physical tests to identify mystery substances. This experiment is very flexible, allowing educators to determine the number of unknowns to...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    American Chemical Society
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    In this activity, learners will develop a method to test five similar-looking powders (baking soda, baking powder, cream of tartar, detergent, and cornstarch) with four test liquids (water, vinegar...

    $1 - $5 per group Ages 6 - 14 45 to 60 minutes
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    BioEd
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    In this activity related to microbes, learners make slides of cells from an onion skin and Elodea (American or Canadian waterweed) to observe under a microscope. With these examples, learners will...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes