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    Oregon Museum of Science and Industry
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    In this activity, learners discover that atoms and ions of different metals will change places. Learners place drops of copper sulfate solution onto a steel nail, then observe as the solution loses...

    1 cent - $1 per group Ages 11 - adult Under 5 minutes
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    The Exploratorium
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    This is an activity about acid-base reactions using eggs and vinegar. Learners place eggs inside a container of vinegar and leave to soak overnight. The calcium carbonate of the shell reacts with...

    1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    In this chemistry activity (on page 2 of the PDF), learners corrode a penny in a cup with vinegar, salt water, and a source of iron (nails, paper clips, or twist ties). The combination of salt and...

    1 cent - $1 per student Ages 6 - 14 1 to 7 days
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    Oregon Museum of Science and Industry
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    Using household materials, learners can make white gooey globs from clear solutions. Alum, dissolved in water, reacts with the hydroxide in ammonia to create aluminum hydroxide. This creates a soft...

    1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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    Museum of Science and Industry, Chicago
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    Learners place water and part of an antacid tablet in a film canister. The reaction creates a gas reaction that launches the film canister like a rocket.

    1 cent - $1 per student Ages 6 - 18 Under 5 minutes
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    The Science House
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    In this chemistry activity, learners observe a combustion reaction and deduce the components necessary for the reaction to occur. They will also see the relationship between pressure, volume, and...

    1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
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    New York Hall of Science
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    Build a catapult that transforms the potential energy of a twisted rubber band into kinetic energy. Experiment with design variations so that you can hit a target with a projectile. <b>...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    New York Hall of Science
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    In this activity, learners explore reaction time and challenge themselves to improve their coordination. Do you want to move faster? Catch that ball that you never seem to see in time? Use a simple...

    1 cent - $1 per student Ages 4 - 14 5 to 10 minutes
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    American Chemical Society
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    In this activity, learners examine baking powder, a combination of three powders: baking soda, cream of tartar, and cornstarch. Learners use their data from the previous activity (see related...

    1 cent - $1 per group Ages 6 - 14 30 to 45 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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