Gravity keeps people grounded and prevents them from floating away into space! Young readers will learn how and why gravity works and discover how to measure it on Earth.
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Gravity keeps people grounded and prevents them from floating away into space! Young readers will learn how and why gravity works and discover how to measure it on Earth.
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Add this copy of Gravity to cart. $3.99, good condition, Sold by ThriftBooks-Baltimore rated 4.0 out of 5 stars, ships from Halethorpe, MD, UNITED STATES, published 2008 by Children's Press(CT).
Add this copy of Gravity (Blastoff! Readers: First Science) to cart. $8.75, good condition, Sold by LeifBooks rated 3.0 out of 5 stars, ships from Georgetown, CO, UNITED STATES, published 2008 by Children's Press(CT).