Download or read book What Holds Us to Earth? written by Jennifer Boothroyd and published by Lerner Publications ™. This book was released on 2017-08-01 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 series—part of the Lightning Bolt BooksTM collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt BooksTM bring nonfiction topics to life!