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    The Exploratorium
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    This is a lesson plan for an activity in which learners, playing the role of archeologists, use math concepts about number bases to decipher the Dresden Codex, an ancient Mayan document. The lesson...

    1 cent - $1 per group Ages 8 - adult 2 to 4 hours
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    Carleton College
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    This paper describes a working-model demonstration of Ernest Rutherford's 1911 experiment about the nature of atoms. In this demonstration, a model of an atom is constructed inside a sealed...

    $10 - $20 per group Ages 11 - adult 45 to 60 minutes
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    In this activity, learners use chemistry to produce weathered "antiqued" paper with burned edges. Learners first soak white paper in coffee and then apply a charring solution of ammonium...

    $10 - $20 per student Ages 8 - adult 2 to 4 hours

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