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    The Exploratorium
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    In this activity, learners investigate convection by using food coloring and water of different temperatures. Through this experiment, learners discover the effect of gravity, density, and...

    1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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    The Exploratorium
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    In this electrochemistry activity, learners will explore two examples of electroplating. In Part 1, zinc from a galvanized nail (an iron nail which has been coated with zinc by dipping it in molten...

    $10 - $20 per group Ages 14 - 18 1 to 2 hours
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    The Exploratorium
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    In this (edible) activity, learners balance chemical equations using different kinds and colors of candy that represent different atoms. Learners will work in pairs and explore conservation of...

    $5 - $10 per group Ages 11 - 18 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners build a simple qualitative conductivity tester with a battery, bulb and foil. Then learners use the device to test if a solution, a series of solutions, and a solution...

    $5 - $10 per student Ages 11 - 18 1 to 2 hours
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    The Exploratorium
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    In this activity, learners build a simple electrolysis device. Then learners use an indicating solution to visualize hydrogen and oxygen molecules in water.

    $5 - $10 per student Ages 11 - 18 45 to 60 minutes
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    Lunar and Planetary Institute
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    In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods. Learners dunk the "planets" in water to...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners construct a simple electrolysis device. With this device, learners can decompose water into its elemental components: hydrogen and oxygen gas. Bubbles emanating from...

    $5 - $10 per student Ages 14 - 18 4 to 24 hours
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    NISE Network
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    In this demonstration, learners discover that nanoparticles behave differently, in part because they have a high surface area to volume ratio. Learners learn that smaller particles have a much...

    Over $20 per group Ages 6 - adult 10 to 30 minutes
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    NOAA
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    In this activity (on page 1), learners role play as atoms to explore how atoms can be rearranged to make different materials. Learners group together and link arms or hold hands to form chemical...

    1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners make "totally tubular" forms of carbon. Learners use chicken wire to build macro models of carbon nanotubes. Depending on how they roll the wire, they will...

    $10 - $20 per group Ages 11 - 18 10 to 30 minutes

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