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    The University of Texas McDonald Observatory
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    In this two-part activity, learners explore the Earth and Sun's positions in relation to the constellations of the ecliptic with a small model. Then they extend to explore the motions of the...

    1 cent - $1 per group Ages 4 - 18 1 to 2 hours
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    WGBH
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    In this engineering activity, young learners investigate multi-level buildings. Learners observe buildings in their neighborhood and then, using simple household materials, create their own multi...

    1 cent - $1 per student Ages 4 - 6 30 to 45 minutes

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