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    NASA
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    In this activity, learners make "solar cookies," edible models of the Sun's outer layers using sugar cookies and toppings. Learners use red and yellow sprinkles to form the granular...

    $10 - $20 per group Ages 4 - 18 5 to 10 minutes
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    Howard Hughes Medical Institute
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    This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific...

    $10 - $20 per group Ages 11 - 18 2 to 4 hours