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    American Chemical Society
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    In this introductory activity, learners discover that sugar and food coloring dissolve in water but neither dissolves in oil. Based on their observations, learners can conclude that both solids and...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    American Chemical Society
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    Learners carefully look at four known household crystals. After observing and describing the crystals, learners are given an unknown crystal, which is chemically the same as one of the four known...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes

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    • Oregon Museum of Science and Industry (remove)
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