Download or read book How Do We Know Earth Is Round? written by Alix Wood and published by The Rosen Publishing Group, Inc. This book was released on 2015-07-15 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: People used to think that Earth was flat, but now we know it isn’t. How did we find out Earth is actually a sphere? How did science help us understand the shape of our planet? Readers will delight in exploring the history and science behind Earth’s spherical shape. They’ll learn how satellite images and modern technology give us an image of the Earth. Readers will also learn all about early scientists and how they gradually came to enlighten others that the Earth wasn’t flat. Clear diagrams and fascinating sidebars help explain this important science topic, as supplemental science experiments give readers the hands-on experience they need to grasp the topic.