Early Warning: Discover what animals can tell us about our changing planet.
Coming in March
Free Fall: Follow Felix Baumgartner as he skydives from the edge of space.
Wild Wetlands: Learn how plants, animals, and people depend on these watery habitats.
EXPLORER Vol. 7 No. 4 DEVELOPMENT TEAM
Vice President and Publisher: Francis Downey
Art Director and Designer: Karen Thompson Editors: Macon Morehouse Brenna Maloney Programmer: Meng Wei Media Editor: Shannon Hibberd Permissions Editor: Jean Cantu Production Specialist: Dreama Karnes-Bynane Director of Production: Nicole Elliott
PUBLISHED BY NATIONAL GEOGRAPHIC LEARNING
NATIONAL GEOGRAPHIC EXTREME EXPLORER (ISSN 1938-8004) is published seven times during the school year—September, October, November–December, January– February, March, April, May—by National Geographic Learning, 1125 17th Street NW, Washington, D.C. 20036. Postmaster: Please send address changes to NATIONAL GEOGRAPHIC EXTREME EXPLORER, PO Box 4002865, Des Moines, IA 50340–0597. Periodical postage paid at Washington, D.C., and additional mailing offi ces.
To subscribe:
In the U.S., call 1-888-915-3276 In Australia and New Zealand, + 61 2 8005 6889
In Canada, 1-800-268-2222 In China, + 86 10 6493 4469 In Hong Kong, + 852 2191 2518 In Malaysia, + 60 3 2782 0243 In Singapore, + 65 6744 9888
PICTURE CREDITS COVER, PAGES 2-3 PAUL NICKLEN/NATIONAL GEOGRAPHIC CREATIVE; PAGES 4-9 (BACKGROUND) DAR’YA LYUTSKEVYCH/
SHUTTERSTOCK.COM; PAGES 4-5 (TOP) © MOMATIUK-EASTCOTT/CORBIS; PAGES 4-5 (BOTTOM) PAUL NICKLEN/NATIONAL GEOGRAPHIC CREATIVE; PAGE 6 © DAVID TIPLING/NPL/MINDEN PICTURES; PAGE 7 (TOP) © DAVID TIPLING/
NATUREPL.COM; PAGE 7 (BOTTOM) © SHANNON HIBBERD/NATIONAL GEOGRAPHIC CREATIVE; PAGE 8: © DAVID TIPLING/
NATUREPL.COM; PAGE 9 ( TOP) KEVIN SCHAFER/ GETTY IMAGES; PAGE 9 (BOTTOM) © J.-L. KLEIN & M.-L. HUBERT/BIOSPHOTO/MINDEN PICTURES; PAGES 10-11 NASA/HAUGHTON- MARS PROJECT/PASCAL LEE; PAGES 12-13 NASA; PAGE 14 NASA/ESA/THE HUBBLE HERITAGE TEAM (STSCL/AURA)/J. BELL (CORNELL UNIVERSITY), AND M. WOLFF (SPACE SCIENCE INSTITUTE, BOULDER); PAGES 14-15 © NASA-JPL-CALTECH—DIGITAL VERSI/SCIENCE FACTION/CORBIS; PAGE 15 NASA; PAGE 17 (BACKGROUND) DETLEV VAN RAVENSWAAY/SCIENCE SOURCE; PAGE 17 (TOP) © HO/ REUTERS/CORBIS; PAGE 17 (BOTTOM) STEVEN HOBBS/STOCKTREK IMAGES/GETTY IMAGES; PAGE 18 (TOP) © ROSS HODDINOTT/
NATUREPL.COM; PAGE 18 (BOTTOM) F. BUNGARTZ, CHARLES DARWIN FOUNDATION FOR THE GALAPAGOS ISLANDS; PAGE 19 (TOP) © ROBERT THOMPSON/
NATUREPL.COM; PAGE 19 (BOTTOM) F. BUNGARTZ, CHARLES DARWIN FOUNDATION FOR THE GALAPAGOS ISLANDS; PAGES 20-23 (BACKGROUND) DARREN WHITTINGHAM/
SHUTTERSTOCK.COM; PAGE 20 © MASSIMO PIACENTINO/AGE FOTOSTOCK; PAGE 21 (TOP) © V. AHMADJIAN/VISUALS UNLIMITED, INC.; PAGE 21 (BOTTOM) © ROSS HODDINOTT/
NATUREPL.COM; PAGE 22 (TOP) F. BUNGARTZ, CHARLES DARWIN FOUNDATION FOR THE GALAPAGOS ISLANDS; PAGE 22 (BOTTOM) © SUPERSTOCK/AGE FOTOSTOCK; PAGE 23 (ALL) F. BUNGARTZ, CHARLES DARWIN FOUNDATION FOR THE GALAPAGOS ISLANDS; PAGE 24 © TIM FITZHARRIS/ MINDEN PICTURES.
edition e- web edition e- edition e-
Copyright © 2014 National Geographic Learning. All Rights Reserved. Reproduction of the whole or any part of the contents of NATIONAL GEOGRAPHIC EXTREME EXPLORER without written permission is prohibited. National Geographic, NATIONAL GEOGRAPHIC EXTREME EXPLORER, and the Yellow Border are trademarks of the National Geographic Society.
Cover: an emperor penguin leaping out of the sea and onto the ice
12/13/QGL/1 ISBN: 9781285958644
web
web
Find your online Teacher’s Guide, interactive whiteboard lessons, and projectable editions at
ngexplorer.cengage.com. (Note: The Teacher’s Guide and activity masters can be printed on either black and white or color printers.)
FIND US ONLINE
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24