Children’s ENCYCLOPEDIA US_001_Half_title.indd 1 16/05/2017 10:16 US_002-003_Full_title.indd 2 16/05/2017 09:44 Children’s ENCYCLOPEDIA The book that explains everything US_002-003_Full_title.indd 3 16/05/2017 10:16 Senior editor Lizzie Davey Experts Senior designers Joanne Clark, Jim Green Editorial Anwesha Dutta, Satu Fox, Marie Greenwood, Simon Adams has written and Phil Hunt has written, edited, and Jolyon Goddard, Radhika Haswani, Deborah Lock, contributed to more than 80 books on acted as consultant on a wide range Ishani Nandi, Sam Priddy, Allison Singer, Kathleen Teece, a wide range of topics: from history to of travel and transportation the arts and politics. illustrated reference books and Shambavi Thatte, Megan Weal, Amina Youssef magazines for adults and children. US editorial Karyn Gerhard, Shannon Beatty Peter Bond has written 12 books and Design Ann Cannings, Rhea Gaughan, Rashika Kachroo, contributed to, or edited, many more. Sawako Irie has taught the He also writes for the European Japanese language at the Shipra Jain, Anthony Limerick, Fiona Macdonald, Nidhi Mehra, Space Agency and is consultant University of Sheffield and has Bettina Myklebust Stovne, Seepiya Sahni, Victoria Short, editor for IHS Jane’s Space Systems & run training programs at SOAS Lucy Sims, Mohd Zishan Industry. He was formerly a press University of London. Currently, Educational consultants Jacqueline Harris, officer for the Royal Astronomical she provides Japanese cultural Christina Catone Society. and language services. DTP designers Vijay Kandwal, Vikram Singh Dr. Marina Brozovic is a physicist at Klint Janulis is a former US Army Jacket designer Amy Keast NASA’s Jet Propulsion Laboratory. She Special Forces operator, medic, and has written many research papers, primitive skills survival instructor. Jacket coordinator Francesca Young and works on asteroids, satellites of He provides expert information to Picture researcher Sakshi Saluja the giant planets, and was involved in the UK television show 10000 BC the New Horizons mission to Pluto. and is currently completing an Managing editors Laura Gilbert, Alka Thakur Hazarika archeological Doctoral program Managing art editors Diane Peyton Jones, Romi Chakraborty Peter Chrisp is an author of children’s at Oxford University. Production manager Pankaj Sharma history books, with over 80 titles to his name. He specializes in ancient Rupert Matthews has written Pre-production producer Nikoleta Parasaki Rome, ancient Greece, and myths and more than 170 books about history. Producer Isabell Schart legends. He writes for newspapers and magazines, and is a public speaker Art director Martin Wilson Emily Dodd is a screenwriter for the at events and in schools. Publisher Sarah Larter CBeebies science television show Nina and the Neurons. She is Sean McArdle was a headteacher Publishing director Sophie Mitchell passionate about science, wildlife, and primary school educator, Design director Philip Ormerod and storytelling, and is an author of specializing in math. He has written fiction and nonfiction books. and contributed to many publications First American Edition, 2017 and mathematics websites. Published in the United States by DK Publishing James Floyd Kelly is a writer from 345 Hudson Street, New York, New York 10014 Atlanta, Georgia. He has written over Dr. Angela McDonald is an 35 books on a range of subjects that Egyptologist based at the Centre for Copyright © 2017 Dorling Kindersley Limited include 3-D printing, robotics, and Open Studies at the University of DK, a Division of Penguin Random House LLC coding. Glasgow. She has a PhD from Oxford 17 18 19 20 21 10 9 8 7 6 5 4 3 2 1 University, and is an expert on 001-298820-Oct/2017 E.T. Fox is an author and historian, Egyptian texts. She led tours to Egypt with particular expertise in the areas for many years, and has published All rights reserved. of British and Atlantic maritime books and articles on ancient Egypt. Without limiting the rights under the copyright reserved above, no part of this history and piracy, among others. publication may be reproduced, stored in or introduced into a retrieval system, or He is a lecturer, has published books Bill McGuire is an academic, transmitted, in any form, or by any means (electronic, mechanical, photocopying, and articles, and has advised on broadcaster, and popular science recording, or otherwise), without the prior written permission of the copyright owner. numerous television productions. and fiction writer. He is currently Published in Great Britain by Dorling Kindersley Limited. Professor Emeritus of Geophysical Kirsten Geekie is a film programmer and Climate Hazards at University A catalog record for this book is available from the Library of Congress. and writer specializing in short films College London. ISBN 978-1-4654-6207-7 and cinema for young people. She is the Film Programming Manager at Marcus Weeks is a musician and DK books are available at special discounts when purchased in bulk for sales Into Film, co-curator of the Into Film author. As well as contributing to promotions, premiums, fund-raising, or educational use. For details, contact: Festival, and was the lead writer of numerous reference books, he has DK Publishing Special Markets, 345 Hudson Street, New York, New York 10014 the Children's Book of the Movies. written several books on philosophy, [email protected] psychology, and music. Cat Hickey is the learning manager Printed and bound in Hong Kong at ZSL Whipsnade Zoo. She has worked in zoos for eight years and All images © Dorling Kindersley Limited spent a year working as a research For further information see: www.dkimages.com scientist in Madagascar, collecting data on lemurs. A WORLD OF IDEAS: SEE ALL THERE IS TO KNOW Dr. Emily Hunt is a professor of engineering at West Texas A&M www.dk.com University. She has a background in mechanical engineering, with a particular interest in innovative nanotechnology. US_004-009_Contents.indd 4 07/06/2017 11:37 Contents Aztecs 35 Bicycles 36 Big Bang 37 How this book works 10 Biology 38 Birds 39 Africa 12 Black holes 40 Aircraft 13 Body cells 41 American West 14 The story of storytelling 42 Amphibians 15 Books 44 Ancient China 16 Brain 45 Ancient Egypt 17 Bridges 46 Ancient Greece 18 Bronze Age 47 Ancient India 19 Buildings 48 Ancient Rome 20 Carbon cycle 49 Animal families 21 The story of the changing world 50 Animal groups 22 Cars 52 Animal homes 23 Castles 53 Antarctica 24 Cats 54 Arctic 25 Caves 55 The story of color 26 Cells 56 Art 28 Changing states 57 Asia 29 Chemistry 58 Asteroids 30 Circuits 59 Astronauts 31 Climate change 60 Astronomy 32 Clocks 61 Atmosphere 33 The story of clothing 62 Atoms 34 Clouds 64 US_004-009_Contents.indd 5 16/05/2017 09:44 Coding 65 Europe 94 The story of codes 66 Evolution 95 Comets 68 Explorers 96 Communication 69 Factories 97 Compass 70 Farming 98 Computers 71 Feelings 99 Conservation 72 Film 100 Constellations 73 Fish 101 Coral reefs 74 Flags 102 Crafts 75 Flowers 103 Dance 76 The story of eating 104 Day and night 77 Food 106 Deserts 78 Food chains 107 Digestion 79 Forces 108 Dinosaurs 80 Forests 109 Dogs 81 Fossil fuels 110 Early humans 82 Fossils 111 Earth 83 Fractions 112 Earth’s surface 84 French Revolution 113 Earthquakes 85 Friction 114 Eggs 86 Fruit and seeds 115 Electricity 87 Galaxies 116 The story of energy 88 Gases 117 Elements 90 Gems 118 Engineering 91 Genes 119 Engines 92 The story of water 120 Erosion 93 Glaciers 122 US_004-009_Contents.indd 6 16/05/2017 09:44 Governments 123 Magnets 151 Grasslands 124 The story of pets 152 Gravity 125 Mammals 154 Habitats 126 Maps 155 Hearing 127 Mars 156 Heart 128 Materials 157 Hibernation 129 Maya 158 Human body 130 Measuring 159 Imperial Japan 131 Medicine 160 Incas 132 Mercury 161 Industrial Revolution 133 Metals 162 Insects 134 Metamorphosis 163 Inside Earth 135 Meteorites 164 The story of inventions 136 Microscopic life 165 Internet 138 Migration 166 Invertebrates 139 Milky Way 167 Iron Age 140 Mixtures 168 Jupiter 141 Money 169 Knights 142 Monkeys and apes 170 Lakes 143 Moon 171 Language 144 Mountains 172 Law 145 Muscles 173 Life cycle 146 Mushrooms 174 Light 147 Musical instruments 175 Liquids 148 The story of music 176 Lungs 149 Myths and legends 178 Machines 150 Native Americans 179 US_004-009_Contents.indd 7 16/05/2017 09:44 The story of exploration 180 Reptiles 210 Navigation 182 Rivers 211 Neptune 183 Robots 212 North America 184 Rock cycle 213 Numbers 185 Rocks and minerals 214 Oceania 186 Satellites 215 Oceans and seas 187 Saturn 216 Orchestra 188 Science 217 Philosophy 189 The story of the sciences 218 Photography 190 Seashore 220 Photosynthesis 191 Seasons 221 Physics 192 Shapes 222 Pirates 193 Sharks 223 Plants 194 Ships 224 Plastic 195 Sickness 225 Pluto 196 Sight 226 Polar habitats 197 Sinking and floating 227 Pollution 198 Skeleton 228 Precious metals 199 Skin 229 The story of gold 200 Slavery 230 Prehistoric life 202 Sleep 231 Radio 203 Smell 232 Rain forests 204 Solar system 233 Recycling 205 Solids 234 The story of festivals 206 Sound 235 Religion 208 South America 236 Renaissance 209 Space travel 237 US_004-009_Contents.indd 8 16/05/2017 09:44