Natural History Photography; 675 (TR) Breck P. Kent Natural History Photography, (TL) Jan Butchofsky/Corbis, (CL) Jim Sugar/Corbis, (TC) Galyna Andrushko/ Fotolia; 676 (TR) Pete Turner/Getty Images, (BL) Science Source/Photo Researchers, Inc.; 677 (TL) Martin Land/Science Photo Library/Photo Researchers, Inc.; 678 (T) Science Source/Photo Researchers, Inc.; 680 (BR) Bettmann/Corbis, (BL) Harry Taylor/©DK Images, (C) Pascal Goetgheluck/Photo Researchers, Inc., (CR) Time & Life Pictures/Getty Images; 681 (CC) NASA, (CR) Roger Harris/Photo Researchers, Inc., (BL) Science Museum, London/DK Images; 683 (TR) elxeneize/Shutterstock; 684 (TR) Pete Turner/Getty Images, Suzanne Plunkett/©AP Images; 685 (TR) David Parker/Science Photo Library/ Photo Researchers, Inc., (B) Gunter Marx/Alamy; 688 (TR) Joseph Sohm/Visions of America/Photo Researchers, Inc., (BR) Seismogram ©UC Regents, UC Berkeley Seismological Laboratory; 690 (B) David Weintraub/Photo Researchers, Inc., (TR) Pete Turner/Getty Images; 692 (T) Breck P. Kent Natural History Photography, (B) G. Brad Lewis/Getty Images; 694 (BC) Francesca Yorke/©DK Images, (C) Jim Sugar, (BR) Mike Severns/©DK Images, (BL) Rob Reichenfeld/©DK Images; 695 (TR) Colin Keates/©DK Images, (TC) Dave King/©DK Images, (T) DK Images; 696 (T) ©Thomas Wiewandt; 702 ©Thomas Wiewandt; 704 (T) ©Thomas Wiewandt, (C, B) Planetary Visions Ltd/Photo Researchers, Inc.; 707 (TR) Samuel R. Maglione/Photo Researchers, Inc.; 708 (T) ©Eberhard Hummel/AGE Fotostock; 709 (T) ©Thomas Wiewandt, (B) Breck P. Kent Natural History Photography; 710 (T,) William H. Mullins/Photo Researchers, Inc.; 711 (T) ©Egmont Strigl/PhotoLibrary Group, Inc., (BC) David Lyons/©DK Images, (TR) Egmont Strigl/Photolibrary Group, Inc., (CR) Martin Miller/Photo Researchers, Inc.; 713 (T) ©Thomas Wiewandt, (B) Larry Miller/ Photo Researchers, Inc.; 716 (B) vyskoczilova/Shutterstock, (B) blickwinkel/ Alamy Images, (CL) Martin & Marli Miller, (T) James Steinberg/Science Source; 717 (TR) Bruce Roberts/Photo Researchers, Inc.; 718 (T) ©Melvyn P. Lawes; Papilio/Corbis; 719 (T) ©Thomas Wiewandt, (BR) Bernhard Edmaier/Photo Researchers, Inc.; 720 (B) John Buttenkant/Photo Researchers, Inc.; 721 (T,) ©MERVYN REES/Alamy Images; 722 (TR) BRUCE COLEMAN INC./Alamy Images; 723 (B) ©Radius Images/Alamy; 724 (T) Mark J. Terril/©AP Images; 725 (B) ©Jim Corwin/Photo Researchers, Inc., (T) ©Thomas Wiewandt; 727 (B) ©Joel Arem/Photo Researchers, Inc.; 728 (BL) Christophe Boisvieux/Corbis, (BR) George Gerster/Photo Researchers, Inc., (BC) Jason Hawkes/Corbis; 730 (TR) frantisek hojdysz/Fotolia, (B) Mike Dunning/©DK Images; 731 (TL) Amos Nachoum/Corbis, (CR) Science Source/Photo Researchers, Inc.; 732 (T) ©Thomas Wiewandt, (B) Andy/Fotolia; 735 (R) ©The Natural History Museum, London; 738 (TR) ©The Natural History Museum, London, (TL) John Sibbick; 744 Stocktrek/Corbis; 746 (CL) ©AP Images, (B) Palenque/Fotolia, (TR) Stocktrek/Corbis; 749 (L) ©Paul Seheult/Corbis, (TR) Karl Shone/©DK Images; 751 N. Rosing/Okapia/Photo Researchers, Inc.; 752 (Bkgrd) Liane Cary/AGE Fotostock, (TR) Stocktrek/Corbis; 755 (BR) Corbis, (TR) Stocktrek/Corbis; 756 (TR) NASA; 758 (BL) Peter Christopher/Masterfile Corporation; 760 (BL) Karl Shone/©DK Images, (TR) Stocktrek/Corbis; 761 (B) ©Ashway/Alamy Images, (T) ©John Warburton-Lee Photography/Alamy Images; 762 (TL) ©Martin Cameron/Alamy Images, (CL) Adam Jones/Photo Researchers, Inc., (BL) David R. Frazier/Photo Researchers, Inc., (Bkgrd) redbrickstock/Alamy; 763 (TR) ©blickwinkel/Alamy Images, (C, B) ©Chris Cheadle/Alamy Images, (TL) Trevor McDonald/Photo Researchers, Inc.; 764 (TL) Kennan Ward/Corbis; 765 (BR) Carl Roessler/Getty Images, (TR) Stocktrek/Corbis; 769 (TR) Science Source/Photo Researchers, Inc.; 770 (L) Weatherstock(r); 771 Comstock/Thinkstock; 772 (BC) NOAA, (B) NOAA/©AP Images; 773 (BL) ©Matthew Cavanaugh/epa/Corbis; 774 ©Mark A. Schneider/Photo Researchers, Inc., (TR) Stocktrek/Corbis; 775 (TR) Simon Fraser/Photo Researchers, Inc.; 776 (TCL) Weather Graphics Courtesy of AccuWeather, Inc.; 777 David R. Frazier Photolibrary, Inc./Photo Researchers, Inc.; 778 (TR) Stocktrek/Corbis; 780 (TL) Daryl Balfour/Getty Images; 781 (TR) Martin & Marli Miller, Photo Researchers, Inc.; 782 Deborah Davis/Getty Images, weareadventurers/iStockphoto; 785 Pgiam/iStockphoto; 786 Jeff Gentner/©AP Images; 792 Science Photo Library/Photo Researchers, Inc.; 794 (TR) Science Photo Library/Photo Researchers, Inc., (B) cduschinger/ Fotolia; 795 (TR) Bettmann/Corbis, (TL) Stapleton Collection/Corbis; 798 (B) NASA, (TL) NASA Jet Propulsion Laboratory/©AP Images, (BL) Science Source/ Photo Researchers, Inc., (T) Stocktrek Images/Getty Images; 799 (C) ©DK Images, (TR) GRIN/NASA; 800 (B) ©AP Images, (TR) Science Photo Library/ Photo Researchers, Inc.; 801 (B) Corbis, (T) Brad Thompson/Fotolia; 804 (BR) Frank Zullo/Photo Researchers, Inc., (T) Science Photo Library/Photo Researchers, Inc.; 806 (T) NASA; 807 (TR) Science Photo Library/Photo Researchers, Inc., (BR) Victor Habbick Visions/Photo Researchers, Inc.; 808 (BL) U.S. Geological Survey/Science Source; 809 (B) ©Science Source/Photo Researchers, Inc., (T, C) Science Source; 810 (BC) ©Bettmann/Corbis, (CR, BL) NASA, (BL) Ria Novosti/Science Photo Library/Photo Researchers, Inc.; 811 (C) ©DK Images, (BR) Marshall Space Flight Center/NASA Image Exchange, (CR) NASA; 812 (B) European Space Agency/Photo Researchers, Inc., (BL) JPL-Caltech/Cornell/NMMNH/NASA, (TR) Photo Researchers, Inc., (TL) Stocktrek Images, Inc./Alamy (TC) RGB Ventures LLC dba SuperStock/Alamy; 813 (B) Science Source, (T) Agencia el Universal/El Universal de Mexico/Newscom; 814 (BL) Photo Researchers, Inc., (TR) Science Photo Library/Photo Researchers, Inc.; 815 (BR) James Stevenson/©DK Images; 816 (B) D. Ducros/Photo Researchers, Inc., (C) NASA, (TL) NASA/Science Photo Library/Photo Researchers, Inc.; 818 (TL) Bettmann/Corbis, (BL) NASA; 819 (CR) DK Images; 820 (BL) ©DK Images, (T) Raymond Turvey/©DK Images; 821 (BL) ©Charles O'Rear/Corbis, (CR) Alan Keohane/©DK Images, (TCL) Getty Images; 822 (TR) Science Photo Library/Photo Researchers, Inc.; 824 (TL) Corbis; 830 (C) David Malin/Anglo-Australian Observatory; 832 (TR) David Malin/Anglo-Australian Observatory, (B) Reed Kaestner/Corbis; 833 (B) Science Source; 835 (TR) David Nunuk/Science Photo Library/Photo Researchers, Inc.; 836 Science Source/ Photo Researchers, Inc.; 837 (T) ©Roger Ressmeyer/Skylab/NRL/NASA/Corbis, Science Source/Photo Researchers, Inc.; 838 (TR, B) David Malin/Anglo-Australian Observatory; 840 (BL) Eckhard Slawik/Photo Researchers, Inc.; 841 (BR) ©Galaxy Picture Library, (T) Sean Pavone/Shutterstock; 844 (TR) David Malin/Anglo-Australian Observatory, (B) Leland Bobbé/Corbis; 845 (TR) David Malin/Anglo-Australian Observatory; 847 (TR) Corbis, (CR) European Southern Observatory/Science Photo Library/Photo Researchers, Inc.; 849 (TR) NASA Image Exchange; 850 (CL) ©Scala/Art Resource, NY, (TR) David Malin/Anglo-Australian Observatory; 851 (BR) David Malin/Anglo-Australian Observatory, (CR) Stattmayer/Getty Images; 852 (CL, BL) David Malin/Anglo-Australian Observatory, (B) Eckhard Slawik/Photo Researchers, Inc., (CL) Royal Observatory/Science Photo Library/Photo Researchers, Inc.; 854 (BL) Hubble Heritage Team/NASA, (T) NASA Image Exchange; 856 (TR) David Malin/Anglo-Australian Observatory; 858 (B) NASA; 866 Rosenfeld Images Ltd./Photo Researchers, Inc.; 868 (BL) Richard Megna/Fundamental Photographs; 870 Jerry Howard/Positive Images; 871 blickwinkel/Alamy; 885 (BR) Barnabas Kindersley/©DK Images; 889 (BR) Lonely Planet Images; 890 (BL) Hutchison Picture Library; 891 (BR) Rob Elliott/ AFP/Getty Images; 892 (B) Mathew Connolly/Shutterstock, (T) U.S. Geological Survey; 902 (T, B) Griffith Observatory; 903 (T, B) Griffith Observatory.
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Table of Contents

Physical Science CHAPTER 1 Science Skills CHAPTER 2 Properties of Matter CHAPTER 3 States of Matter CHAPTER 4 Atomic Structure CHAPTER 5 The Periodic Table CHAPTER 6 Chemical Bonds CHAPTER 7 Chemical Reactions CHAPTER 8 Solutions, Acids, and Bases CHAPTER 9 Carbon Chemistry CHAPTER 10 Nuclear Chemistry CHAPTER 11 Motion CHAPTER 12 Forces and Motion CHAPTER 13 Forces in Fluids CHAPTER 14 Work, Power, and Machines CHAPTER 15 Energy CHAPTER 16 Thermal Energy and Heat CHAPTER 17 Mechanical Waves and Sound CHAPTER 18 The Electromagnetic Spectrum and Light CHAPTER 19 Optics CHAPTER 20 Electricity CHAPTER 21 Magnetism CHAPTER 22 Earth's Interior CHAPTER 23 Earth's Surface CHAPTER 24 Weather and Climate CHAPTER 25 The Solar System CHAPTER 26 Exploring the Universe Skills and Reference Handbook