Level: D DRA: 6 Science Strategy: Visualize Word Count: 65 Ducks 1.3.13 Build Vocabulary by Sara Wilhelm HOUGHTON MIFFLIN Online Leveled Books 1431841 H O UG H T O N M IF F L IN Ducks by Sara Wilhelm PHOTOGRAPHY CREDITS: Cover © Mark Duffy/Alamy; 1 © Nature Picture Library/Alamy; 2 © Digital Vision; 3 © Stockbyte/Alamy; 4 © Kenneth H. Thomas/Photo Researchers, Inc.; 5 © Eric and David Hosking/Corbis; 6 © Nature Picture Library/Alamy; 7 © Sean Bolton/Alamy; 8 © David Muench/Corbis; 9 © Bates Little Hales/ Animals Animals/Earth Scenes; 10 © Mark Duffy/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: 978-0-547-42733-1 ISBN-10: 0-547-42733-6 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. It is hot now. The grass is green. 2 The duck has a nest. She has new eggs. 3 The duck sits on the eggs. 4 The eggs start to open! 5 The new ducks grow up. 6 The new ducks swim in the water. 7 It is fall now. The leaves fall down. 8 It is cold now. Each duck goes away. 9 The yellow sun gets hot. The ducks come back. 10

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