Sink Level: E DRA: 8 Science Strategy: Visualize Word Count: 161 or 1.6.29 Build Vocabulary by Olivia Kress illustrated by Sally Vitsky HOUGHTON MIFFLIN Online Leveled Books 1431864 H O UG H T O N M IF F L IN Sink or F by Olivia Kress illustrated by Sally Vitsky 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: 978-0-547-42746-1 ISBN-10: 0-547-42746-8 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. Some things sink. Some things float. Do you have any idea why they sink or float? Let’s find out why. 2 Hello! This is a block of wood. Will it sink or float? Turn the page to find out. 3 The block of wood is on top of the water. That means that it floats. Wood almost always floats. 4 Hello! These are keys. Will they sink or float? Turn the page to find out. 5 The keys sink! They have gone to the bottom of the water. Why did they sink? They are very heavy. 6 Hello! These are leaves. Will they sink or float? Turn the page to find out. 7 The leaves float! One leaf floats behind the other. Leaves are very light. That