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    NISE Network
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    In this activity, learners discover that nanoparticles of gold can appear red, orange or even blue. They learn that a material can act differently when it’s nanometer-sized. Use this activity to...

    Over $20 per group Ages 4 - adult 5 to 10 minutes
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    Science Museum of Minnesota
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    Is a square stronger than a triangle? Use tongue depressors to build simple shapes. Then apply a little weight to them and see what happens! This activity comes with useful tips for building the...

    1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
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    American Chemical Society
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    In this activity on page 11 of the PDF, learners use candle wax to make "invisible" designs that are revealed with watercolor paints. Use this activity to demonstrate why dentists coat...

    $1 - $5 per student Ages 6 - 11 5 to 10 minutes

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