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Why Doesn't The Earth Fall Up? and other not such dumb questions about motion
Why Doesn't The Earth Fall Up and other not such dumb questions about motion
Author: Vicki Cobb
Have you ever wondered just what gravity is? Or why we have leap year? Or why the moon doesn't fall to earth? So have some pretty smart scientists. Find out how they came up with their answers inside Why Doesn't the Earth Fall Up?
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ISBN-13: 9780590487535
ISBN-10: 0590487531
Publication Date: 2001
Pages: 40
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Publisher: Scholastic
Book Type: Paperback
Other Versions: Hardcover
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