Level: J DRA: 18 Science Strategy: Question Word Count: 276 2.4.19 Build Vocabulary by Myka-Lynne Sokoloff HOUGHTON MIFFLIN Online Leveled Books 1033082 H O UG H T O N M IF F L IN by Myka-Lynne Sokoloff PHOTOGRAPHY CREDITS: Cover (bkgd) Rubens Abboud/Alamy, (inset) steven langerman/Alamy. 1 Mikael Karlsson/Alamy. 2 (l) Rubens Abboud/Alamy, (r) Steven Langerman/Alamy. 3 (b) Donald Miralle/Getty Images, (t) AA World Travel Library/ Alamy. 4 (l) Stock Images/Alamy, (r) Barry Mason/Alamy. 5 © Dennis MacDonald/age fotostock 6 Mikael Karlsson/Alamy. 7 (r) Comstock/Jupiter Images, (l) © Jean-Pierre Lescourret/CORBIS. 8 © Ramin Talaie/CORBIS. 9 Carsten Reisinger/Alamy. 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: 978-0-547-02953-5 ISBN-10: 0-547-02953-5 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. Look around your school and around your town. What signs do you see? Signs are everywhere. They hang on posts, on walls, and on doors. They help you in many ways. 2 2_029535_VR4_5BL_Signs.indd 2 12/19/07 5:40:58 PM Signs