Genre Nonfiction Comprehension Skill Sequence Text Features Captions Labels Text Box Glossary Science Content Technology Scott Foresman Science 3.17 ISBN 0-328-13857-6 ì<(sk$m)=bdifhj< +^-Ä-U-Ä-U Vocabulary What did you learn? computer invention technology tool 1. What invention changed the way mail was delivered in the United States in the 1860s? 2. What technology helps meteorologists do their job? How? by Jessica Quilty 3. What is a wind farm? Picture Credits Every effort has been made to secure permission and provide appropriate credit for photographic material. The publisher deeply regrets any omission and pledges to correct errors called to its attention in subsequent editions. Photo locators denoted as follows: Top (T), Center (C), Bottom (B), Left (L), Right (R), Background (Bkgd). 3 Corbis; 4 Franco Vogt/Corbis; 6 Hulton-Deutsch Collection/Corbis; 7 Getty Images; 10 Getty Images; 12 Getty Images; 14 Kevin Schafer/Corbis; 15 Roy Morsch/Corbis; 16 Getty Images; 18 Ariel Skelley/Corbis; 19 Getty Images; 20 (CR) Getty Images; 21 (TL) Honda; 22 Getty Images; 23 Getty Images, (BL) Michael A. Keller/Corbis. Scott Foresman/Dorling Kindersley would also like to thank: 2 Natural History Museum/DK Images; 8 NASA/DK Images. Unless otherwise acknowledged, all photographs are the copyright © of Dorling Kindersley, a division of Pearson. ISBN: 0-328-13857-6 Copyright © Pearson Education, Inc. All Rights Reserved. Printed in the United States of America. This publication is protected by Copyright, and permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to Permissions Department, Scott Foresman, 1900 East Lake Avenue, Glenview, Illinois 60025. 3 4 5 6 7 8 9 10 V010 13 12 11 10 09 08 07 06 05 4. In this book you have read about comput