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    Miami Science Museum
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    In this activity, learners use marshmallows and gum drops to construct seven models of molecules. Learners classify (solid, liquid or gas) and draw diagrams of the molecules. Learners can also...

    1 cent - $1 per student Ages 8 - 18 10 to 30 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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    Oregon Museum of Science and Industry
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    In this hands-on activity (on page 2 of the PDF), learners experiment with lemon juice and paper to create a message that can only be revealed using chemistry. Using an oven as a heat source ...

    1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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    COSI
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    In this physics activity (page 14 of the PDF), learners gain a better understanding of how friction and mass affect objects by comparing the rotational inertia of raw and hard-boiled eggs. Although...

    1 cent - $1 per student Ages 11 - 14 10 to 30 minutes
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    NOAA
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    In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation. Learners compare the melting rate between chocolate left in the sunshine and chocolate...

    1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    In this quick activity (page 1 of the PDF under SciGirls Activity: California Fish), learners will build a simple Cartesian Diver in an empty 2-liter bottle. Use this activity to demonstrate the...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    American Chemical Society
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    In this activity, learners heat and cool carbonated water to find out whether temperature has an effect on how fast the dissolved gas leaves carbonated water. Learners design their own procedure,...

    1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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    The Exploratorium
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    This is an activity about friction as well as kinetic and potential energy. Learners will be able differentiate between hard-boiled and raw eggs while they marvel at how one of the eggs seems to...

    1 cent - $1 per student Ages 11 - 18 10 to 30 minutes
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    American Chemical Society
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    In this activity, learners make colored sugar and add it to water, alcohol, and oil to discover some interesting differences in dissolving. The sugar will dissolve to a different extent in each...

    1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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    American Chemical Society
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    In this activity, learners use detergent solution to compare two solutions containing vinegar and cream of tartar. By comparing the number of drops used to return each solution back to its blue...

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

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