Physical Science by Timothy Sandow Genre Nonfiction Comprehension Skill Compare and Contrast Text Features Captions Labels Diagram Glossary Science Content Sound Scott Foresman Science 3.14 ISBN 0-328-13847-9 ì<(sk$m)=bdieha< +^-Ä-U-Ä-U Vocabulary What did you learn? compression wave 1. How is sound made? pitch 2. Describe the two ways stringed instruments are played. vibration Sound by Timothy Sandow 3. Explain how your ears help you hear. Illustrations: 7, 14 Jeff Mangiat Photographs: 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. Unless otherwise acknowledged, all photographs are the property of Scott Foresman, a division of Pearson Education. Photo locators denoted as follows: Top (T), Center (C), Bottom (B), Left (L), Right (R) Background (Bkgd) Opener: ©Jake Rajs/Getty Images; Title Page: ©DK Images; ©Lynn Stone/Index Stock Imagery; 2 ©Joseph Sohm/ChromoSohm Inc./Corbis; 4 (CL, BR) ©DK Images; 5 Getty Images; 6 Getty Images, 8 Getty Images; 9 (CL, CC, BL) Getty Images; 11 ©Robert Brenner/PhotoEdit; 12 ©P. Freytag/Zefa/ Masterfile Corporation; 13 ©Scott Tysick/Masterfile Corporation; 15 (CL) ©Mark Tomalty/Masterfile Corporation, (CC) ©Christiana Carvalho-Frank Lane Picture Agency/Corbis, (BR) ©DK Images, (BL) Stone/Getty Images ISBN: 0-328-13847-9 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 permissions, write to: Permissions Department, Scott Foresman, 1900 East Lake Avenue, Glenview, Illinois 60025. 3 4 5 6 7 8

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