BISAC: JUVENILE NONFICTION / Readers /
Beginner. | JUVENILE NONFICTION / Science
& Nature / Earth Sciences / Earthquakes &
Volcanoes.
Classification: LCC QE521.3 (ebook) | LCC
QE521.3 .G357 2017 (print) | DDC 551.21--dc23
LC record available at https://lccn.loc .gov/2016051354 (https://www.lccn.loc.gov/2016051354)
Photo Credits
Cover, Stephen Belcher/Minden Pictures; 1, Arctic-
Images/Getty Images; 3, DU BOISBERRANGER Jean/
hemis.fr/Getty Images; 4 (UP), Dan Ballard/Getty
Images; 4 (LO LE), rtem/Shutterstock; 4 (LO RT), Prof.
Stewart Lowther/Science Photo Library/Getty Images;
5 (UP), Grant Dixon/Getty Images; 5 (CTR LE), Toshi
Sasaki/Getty Images; 5 (CTR RT), Jiri Hera/Shutterstock;
5 (LO), Jonathan Blair/Getty Images; 6–7, Salvatore
Allegra Photography/Getty Images; 9, photoDISC; 11,
Stuart Armstrong; 12, Kevin Thrash/Getty Images; 13,
Mary Van de Ven/Getty Images; 14 (LE), Chris Bickford/
National Geographic Creative; 14 (RT), MichaelUtech/
Getty Images; 15 (UP), Auscape/UIG/Getty Images;
15 (LO), Santiago Rodríguez Fontoba/Dreamstime;
16–17, Buena Vista Images/Getty Images; 18, Fotos593/
Shutterstock; 19 (UP), bilwissedition Ltd. & Co. KG/
Alamy Stock Photo; 19 (CTR), Herbert K. Kane; 19 (LO),
Culture Club/Getty Images; 20–21, G. Brad Lewis/Getty
Images; 22, Hans Strand/Getty Images; 23, Roger
Bacon/Reuters/Alamy Stock Photo; 24 (LE), Toshi
Sasaki/Getty Images; 24 (RT), filmlandscape/Getty
Images; 25, Eachat/Getty Images; 26–27, Matthew
Oldfield/Science Source; 28, Martin Bernetti/AFP/
Getty Images; 29, Calvin Hall/Getty Images; 30, Athit
Perawongmetha/Getty Images; 31, G. Brad Lewis/
Getty Images; 33, Ron Dahlquist/Getty Images; 34 (LE),
Harry Taylor/Getty Images; 34 (RT), everything possible/
Shutterstock; 35, Gary Hincks/Science Source; 36,
atese/Getty Images; 37 (UP), Chris Clor/Getty Images;
37 (LO), Eric Isselée/Shutterstock; 38, Detlev van
Ravenswaay/Science Source; 39, NASA/JPL/University
of Arizona; 40, Jacques Langevin/Sygma/Sygma via
Getty Images; 41 (UP), Cosmin Manci/Shutterstock;
41 (LO), Leigh Marsh; 42–43, Blueplace/Getty Images;
44 (UP), vvoe/Shutterstock; 44 (CTR), Evans/Getty
Images; 44 (LO), Somchai Som/Shutterstock; 45 (UP),
MarcAndreLeTourneux/Shutterstock; 45 (CTR), Hilary
Andrews/NG Staff; 45 (LO), NASA images/Shutterstock;
various (top border of page), T.Thinnapat/Shutterstock
National Geographic supports K–12 educators with ELA Common Core Resources. Visit natgeoed.org/commoncore for more information.
25 Hot Facts About Volcanoes 4 (#ueb3b94bf-40c3-59d9-9dc3-0e37cb860286)
Chapter 1: Our Fiery World 6 (#u34736a2d-0a8e-5675-b1bd-7d5cae0bfef0)