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    American Chemical Society
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    In this activity, learners add objects and substances to carbonated water to discover that added objects increase the rate at which dissolved gas comes out of solution. Learners are then challenged...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    American Chemical Society
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    Learners design their own experiment to investigate whether the temperature of the surrounding water affects the rate at which the colored coating dissolves from an M&M. When they conduct their...

    $1 - $5 per group Ages 4 - 14 30 to 45 minutes
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    American Chemical Society
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    Learners design their own experiment to determine which M&M color dissolves the fastest in water. Learners should have a plan to control variables such as type of plate, amount of water,...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    American Chemical Society
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    Learners place multiple M&M's in a plate of water to watch what happens as the candies dissolve. Often learners expect the colors from each M&M to blend when they come together, but...

    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, learners apply a dissolving test to known crystals to identify the unknown. Since the unknown is chemically the same as one of the known crystals, it should dissolve similarly. By...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    In this quick activity, learners will investigate what happens to bubble gum when it is chewed for 5-10 minutes. First, learners measure the weight of unwrapped pieces on a kitchen scale and...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    In this activity, learners explore temperature changes from chemical reactions by mixing urea with water in one flask and mixing calcium chloride with water in another flask. They observe that the...

    $1 - $5 per group Ages 4 - adult Under 5 minutes
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    Oregon Museum of Science and Industry
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    In this activity, learners separate a mixture of pebbles, salt crystals, and wood pieces. They add water and pour the mixture through a strainer. The pebbles are left in the beaker, the wood is...

    $1 - $5 per group Ages 4 - adult Under 5 minutes
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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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    Mount Holyoke College
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    In this kitchen chemistry activity, learners explore the chemistry of crystals by making sugar crystals, consider a common chemical reaction type responsible for the rising of muffins and cake in...

    $5 - $10 per group Ages 8 - 14 1 to 7 days

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