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Sand Activity
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In this activity, learners observe mixtures of sand samples glued to note cards, and consider how sand can differ in size, shape, and color, and where it comes from.
Scale Model of Sun and Earth
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In this activity, learners explore the relative size of the Sun and Earth as well as the distance between them.
Size it Up
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Learners investigate why the Sun and Moon appear the same size in the sky even though the Sun is over 400 times larger in diameter.