Level: J DRA: 18 Genre: Informational Text Strategy: Question Skill: Main Ideas and Details Word Count: 383 by Daniel Pinkerton 1.4.16 HOUGHTON MIFFLIN Online Leveled Books ISBN-13:978-0-547-02714-2 ISBN-10:0-547-02714-1 1032743 H O UG H T O N M IF F L IN 1_027142_AL_LRSE_CVR_L16_SPACE.indd 1 5/17/10 8:40:50 PM by Daniel Pinkerton PHOTOGRAPHY CREDITS: Cover © Image Ideas; 1 © Stockbyte/Alamy; 2 © PhotoDisc; 3 © Stockbyte/Alamy; 4 © Roger Ressmeyer/Corbis; 5 © Roger Ressmeyer/Corbis; 6 © Roger Ressmeyer/Corbis; 7 © Corbis; 8 © Image Ideas; 9 © Roger Ressmeyer/Corbis; 10 © Creatas Images Copyright © by Houghton Mifflin Harcourt Publishing Company All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying or recording, or by any information storage and retrieval system, without the prior written permission of the copyright owner unless such copying is expressly permitted by federal copyright law. Requests for permission to make copies of any part of the work should be addressed to Houghton Mifflin Harcourt School Publishers, Attn: Permissions, 6277 Sea Harbor Drive, Orlando, Florida 32887-6777. Printed in China ISBN-13: 978-0-547-02714-2 ISBN-10: 0-547-02714-1 1 2 3 4 5 6 7 8 0940 18 17 16 15 14 13 12 11 If you have received these materials as examination copies free of charge, Houghton Mifflin Harcourt School Publishers retains title to the materials and they may not be resold. Resale of examination copies is strictly prohibited. Possession of this publication in print format does not entitle users to convert this publication, or any portion of it, into electronic format. Imagine flying to the moon or drifting among the stars in space. Some brave men and women called astronauts do just that. They travel into space to learn more about our world. What do you think it’s like to live and work in space? Let’s take a look. 2 Why Do Astronauts Go To Space? Astronauts ride

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