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Genre Nonfiction Comprehension Skill Compare and Contrast Text Features Captions Diagrams Labels Glossary Science Content Natural Resources Scott Foresman Science 3.9 ISBN 0-328-13834-7 ì<(sk$m)=bdidea< +^-Ä-U-Ä-U Vocabulary Extended Vocabulary conservation natural resource nonrenewable resource recycle renewable resource compost cullet discarded landfill ore pulp toxin Picture Credits Every effort has been made to secure permission and provide appropriate credit for photographic material. The publisher deeply regrets any omission and pledges to correct errors called to its attention in subsequent editions. Photo locators denoted as follows: Top (T), Center (C), Bottom (B), Left (L), Right (R), Background (Bkgd). 3 (TL) Brand X Pictures, (TR) ©Comstock Inc.; 4 Greenshoots Communications/Alamy Images; 6 Joseph Sohm/ChromoSohm Inc./Corbis; 7 Chad Ehlers/Alamy Images; 8 (L) Getty Images, (BC) Jean Heguy/Corbis; 9 (TR) Peter Frischmuth/Peter Arnold, Inc.; 10 Arthur Tilley/Getty Images; 11 Lorenzo Lees/Ecoscene; 15 Erika Stone/Photo Researchers, Inc. Unless otherwise acknowledged, all photographs are the copyright © of Dorling Kindersley, a division of Pearson. ISBN: 0-328-13834-7 Copyright © Pearson Education, Inc. All Rights Reserved. Printed in the United States of America. This publication is protected by Copyright, and permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to Permissions Department, Scott Foresman, 1900 East Lake Avenue, Glenview, Illinois 60025. 3 4 5 6 7 8 9 10 V010 13 12 11 10 09 08 07 06 05 What did you learn? 1. What portion of the United States’ trash is thrown into landfills? What portion of our trash is recycled? 2. Explain how plastic gets recycled. by Patricia Walsh 3. What is cullet? How is it used? 4.