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Description of  What Holds Us to Earth?: A Look at Gravity

0761354301 PDF English | 2010 | pages: 36 | ISBN: 0761354301 | PDF | 11,3 mb A ball drops to the ground. Leaves fall from a tree. Gravity is at work all around you. But what exactly is gravity? And how does it affect different objects? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science seriespart of the Lightning Bolt Books collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Books bring nonfiction topics to life!