fascinating science in your next issue!
Journey to a cloud forest of Costa Rica to learn about living things way up in the forest canopy.
Find out what happened to the land and living things at the end of the last ice age.
How many planets are in our solar system? Maybe millions!
Get ready for more EXPLORER Vol. 1 No.1 DEVELOPMENT TEAM
Vice President and Publisher: Francis Downey Executive Editor: Richard Easby Creative Director: Karen Thompson Explorer Editor: Brenna Maloney Young Explorer Editor: Corinne Rucker Permissions Editor: Jean Cantu Production Specialist: Dreama Karnes-Bynane
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Director of Production: Nicole Elliott
NATIONAL GEOGRAPHIC EXTREME EXPLORER (ISSN 1541-3357) 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 37863 Boone, IA 50037-28633. Periodical postage paid at Washington,
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Copyright © 2015 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: Pope’s tree viper 08/15/QGL/1
ISBN: 9781426371446
PICTURE CREDITS COVER: © MICHAEL D. KERN/
NATUREPL.COM; PAGES 2-3 © DR. ZOLTAN TAKACS; PAGES 4-9 (BACKGROUND) VIVIAN FUNG/SHUTTERSTOCK; PAGE 4 MARK RALSTON/AFP/GETTY IMAGES; PAGE 5 (TOP) © JELGER HERDER/BUITEN-BEELD/MINDEN PICTURES; PAGE 5 (BOTTOM) REPTILES4ALL/ SHUTTERSTOCK; PAGE 6 © CALLISTA IMAGES/CULTURA/CORBIS; PAGE 7 (TOP) © ROLAND SEITRE/MINDEN PICTURES; PAGE 7 (BOTTOM) MARK KOSTICH/GETTY IMAGES; PAGE 8 DR. ZOLTAN TAKACS; PAGES 8-9 ALEKSEY STEMMER/SHUTTERSTOCK; PAGES 10-11 FABRICE COFFRINI/AFP/GETTY IMAGES; PAGE 12 © PAMINA PHOTO/AGE FOTOSTOCK; PAGE 13 © YUAN ZHENG/PHOTOSHOT; PAGES 14-15 XDUBAI; PAGES 16, 16-17 AEROMOBIL; PAGE 17 (BOTH) NASA; PAGES 18-19, 21, 22-23 © JIMMY CHIN; PAGE 18 (ROPE) ENLIGHTENED MEDIA/SHUTTERSTOCK; PAGE 20 (MAP) ALFONSO DE TOMAS/ SHUTTERSTOCK; PAGE 20 (PLATE) ILLUSTRATION BY STUART ARMSTRONG; PAGE 21 (ROPE) BINH THANH BUI/SHUTTERSTOCK; PAGE 23 (ROPE) VIXIT/ SHUTTERSTOCK; PAGE 24 © KEVIN ELSBY/FLPA/MINDEN PICTURES.
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.)
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