Contents Life Science Chapter 1 Plants and Their Needs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Chapter 2 Animals and Their Needs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Chapter 3 Plants and Animals Together . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Earth Science Chapter 4 Weather. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Chapter 5 Seasons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Physical Science Chapter 6 Solids, Liquids and Gases . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 Chapter 7 Changing Solids, Liquids and Gases . . . . . . . . . . . . . . . . . . . 133 Cover: (bkgd) Karen Su/China Span/Alamy; (panda in tree) Fritz Poelking/Elvele Images/Alamy; (inset) Steve Bloom Images/Alamy. A Published by Macmillan/McGraw-Hill, of McGraw-Hill Education, a division of The McGraw-Hill Companies, Inc., Two Penn Plaza, New York, New York 10121. Copyright © by Macmillan/McGraw-Hill. All rights reserved. No part of this publication may be reproduced or disbributed in any form or by any means, or stored in a database or retrieval system, without the prior written consent of The McGraw-Hill Companies, Inc., including, but not limited to, network storage or transmission, or broadcast for distance learning. Printed in the United States of America 1 2 3 4 5 6 7 8 9 079 09 08 07 06 Contents LIFE SCIENCE CHAPTER 1 Plants and Their Needs Chapter Concept Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Chapter Literature: Poem (“Tommy” by Gwendolyn Brooks) . . . . . . . . . . 2 Lesson 1 Lesson Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Lesson Vocabulary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Cloze Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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