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    American Chemical Society
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    In this activity, learners examine the parts of a thermometer. After placing a thermometer in hot and cold water, learners look at molecular model animations of the liquid in a thermometer....

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners balance chemical equations and discover the law of conservation of mass. Learners use coins to model molecules to balance the equations.

    free Ages 14 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners follow a recipe to make hollandaise sauce. Learners discover how cooks use egg yolks to blend oil and water together into a smooth mix. In chemistry, this mixture is...

    $1 - $5 per group Ages 6 - 14 5 to 10 minutes
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    COSI
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    In this physics activity (page 3 of the PDF), learners will see firsthand that air takes up space and has pressure by attempting to inflate a balloon inside of a bottle. Though this activity was...

    1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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    COSI
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    In this physics activity (page 4 of the PDF), learners will construct their own spiral "snake" and use it to explore the relationship between heat and kinetic energy. They will observe...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    American Chemical Society
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    This lesson focuses on molecular motion in gases. Learners compare the mass of a basketball when it is deflated and after it has been inflated. The inflated ball has the greater mass so learners...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    Mount Holyoke College
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    In this electrochemistry activity, young learners and adult helpers create a battery from a potato to run a clock. This resource includes background information about electricity, electronics, and...

    $5 - $10 per student Ages 4 - 8 10 to 30 minutes
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    Mount Holyoke College
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    In this activity, learners investigate the effect of heat on a reaction. Learners first model molecular motion by moving their bodies (running, moving slowly) and pretending to be molecules at...

    $1 - $5 per student Ages 4 - 11 10 to 30 minutes
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    COSI
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    In this chemistry activity (page 5 of the PDF), learners will use milk and a few other basic ingredients to create a chemical change to make a color wheel. Although this is a previsit activity for...

    $10 - $20 per group Ages 8 - 14 10 to 30 minutes
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    Lawrence Hall of Science
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    Learners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat. The soap changes the...

    $1 - $5 per student Ages 4 - 14 10 to 30 minutes

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