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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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    NOAA
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    In this quick activity, learners observe how the added sugar in a can of soda affects its density and thus, its ability to float in water. Learners explore this phenomenon by testing if two cans of...

    $1 - $5 per group Ages 6 - 14 Under 5 minutes
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    COSI
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    In this chemistry activity (page 8 of the PDF), learners will identify the instances of physical change, chemical change, and solutions while making homemade soda pop. They will watch as yeast in...

    $10 - $20 per group Ages 8 - 14 1 to 7 days
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    Twin Cities Public Television
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    This is an activity (located on page 4 of the PDF) about surface area and reactivity. Learners will perform a variation on the popular soda geyser activity, using different sizes of rock material...

    $10 - $20 per group Ages 8 - 14 1 to 2 hours