Cover: Map reprinted with permission of Journey North. www.learner.org/jnorth The map represents Monarch butterfly migrations and shows the week in the spring of 1999 that students reported seeing the first Monarch butterfly in their area. The final camera copy for this work was prepared by the author, and therefore the publisher takes no responsibility for consistency or correctness of typographical style. | TERC This project was undertaken by TERC, Inc., Cambridge, Massachusetts. Funded in part by a grant from the National Science Foundation. This material is based upon work supported by the National Science Foundation under Grant Nos. RED-9454704, RED-9155743, and REC-9725228. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect views of the National Science Foundation. Copyright © 2000 by Lawrence Erlbaum Associates, Inc. All rights reserved. No part of this book may be reproduced in any form, by photo- stat, microfilm, retrieval system, or any other means, without the prior written per- mission of the publisher. Lawrence Erlbaum Associates, Inc., Publishers 10 Industrial Avenue Mahwah, New Jersey 07430 | Cover design by Kathryn Houghtaling Lacey | Library of Congress Cataloging-in-Publication Data Network science, a decade later: the internet and classroom learning Alan Feldman . . . (et al.). p. cm. Includes bibliographical references and index ISBN 0-8058-3425-7 (alk. paper).--ISBN 0-8058-3426-5 (pbk. : alk. paper) 1. Science--United States--Computer-assisted instruction. 2. Internet (Computer network) in education--United States. I. Title. II. Title: Network science. LB 1583.3.F44 2000 99-38653 507.8′5--dc21 CIP Books published by Lawrence Erlbaum Associates are printed on acid-free paper, and their bindings are chosen for strength and durability. Printed in the United States of America 10 9 8 7 6 5 4 3 2 1 -iv- |