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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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    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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    In this activity, learners explore the process of condensation. After seeing water vapor condense, learners will help design a test to see if cooling water vapor has an effect on the rate of...

    1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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    American Chemical Society
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    Learners investigate signs of a chemical reaction when they mix vinegar and baking soda. In addition to a gas being produced, learners also notice the temperature decreases. Learners can quantify...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    American Chemical Society
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    In this activity, learners add food coloring to hot and cold water to see whether heating or cooling affects the speed of water molecules. Learners watch molecular model animations to see the...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    American Chemical Society
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    Learners design their own experiment to compare how well cocoa mix dissolves in cold and hot water. They will see that cocoa mix dissolves much better in hot water. Adult supervision recommended.

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    American Chemical Society
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    Learners add calcium chloride to a baking soda solution and observe an increase in temperature along with the production of a gas and a white precipitate. These are all signs of a chemical reaction...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    American Chemical Society
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    This three-part activity consists of an activity that groups of learners develop themselves, a given procedure, and an optional demonstration. First, learners discuss examples of evaporation and...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    American Chemical Society
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    In this activity learners compare the bounciness of warm and cold racquetballs to see if temperature makes a difference in how well they bounce. Use this activity to introduce polymers and...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    American Chemical Society
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    Learners investigate how the temperature of water affects its density. Learners place colored hot and cold water in a cup of room-temperature water to see that cold water sinks while hot water...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes

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