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    The University of Texas McDonald Observatory
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    In this activity, learners construct their own spectroscope as they explore and observe spectra from familiar light sources. Learners can be challenged to make technological improvements to their...

    $5 - $10 per group Ages 14 - 18 45 to 60 minutes
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    The University of Texas McDonald Observatory
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    In this activity, learners test the Law of Reflection based on experimental evidence. Learners produce raw data and explanations based on their data: pencil tracings of incident and reflection rays...

    $1 - $5 per group Ages 14 - 18 45 to 60 minutes
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    The University of Texas McDonald Observatory
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    In this activity, learners explore the relative sizes and distances of objects in the solar system. Without being informed of the expected product, learners will make a Play-doh model of the Earth...

    $1 - $5 per group Ages 8 - 18 30 to 45 minutes

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