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Eclipse: How can the little Moon hide the giant Sun?

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In this activity, learners explore how distance can affect the way we perceive the size of an object.
free Ages 4 - 18 5 to 10 minutes

Scale Models

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In this activity, learners explore the relative sizes and distances of objects in the solar system.
$1 - $5 per group Ages 8 - 18 30 to 45 minutes