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    PBS
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    In this math lesson, learners identify, describe, and construct the five regular polyhedra. Learners are introduced to the idea of three-dimensional figures by first reviewing polygons and regular...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    BioEd
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    This activity helps learners visualize the Human Immunodeficiency Virus (HIV) by constructing three-dimensional HIV particle models from paper. The model to be used is a 20-sided polyhedron ...

    1 cent - $1 per student Ages 8 - 18 1 to 2 hours
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    NOAA
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    In this activity, learners explore how the shapes, sizes, and distances of land masses appear differently on two different models of Earth: an icosahedron and a flat map. First, learners find the...

    1 cent - $1 per group Ages 11 - 18 30 to 45 minutes