DK Children’s Encyclopedia)_clone

classification 22 cycling 36 rotation 77 Ff cliffs 93 Cyrillic 280 seasons 221 climate change 25, 51, 60, 122, cytoplasm 41, 56 surface 84 faces 99, 173 weather 271 factories 97, 133, 174, 212 143, 198 Dd earthquakes 84, 85 fairy tales 43 clocks 61, 159 eating 79, 104–105, 249 fall 221 clones 119 da Gama, Vasco 96, 180 echinoderms 139 fan dancing 76 clothing 27, 62–63 daimyo 131 eclipses 77 farming 98, 105, 140, 274 the cloud 138 dairy products 106 eco homes 244 fashion 27, 62–63 clouds 64, 270, 271 dams 211, 270 ecology 38 fat, body 229 coal 110 dance 76 Edison, Thomas 137, 217 fat cells 41 codes 66–67 dark matter 116, 263 eels 101 fats 106 coding 65, 66 dark zone 187 eggs 39, 86, 146, 163 faults 85 coins 169, 201 Darwin, Charles 95 Egyptians, ancient 12, 17, 66, feathers 39 college 273 day 77 feeling (touch) 256 colonies 21 Day of the Dead 206 152, 162, 218, 258 feelings (emotions) 99 color 26–27 deciduous trees 109, 126, 261 Eid 207 ferns 194 Columbus, Christopher 96, 180 decimals 112 Eiffel Tower 94 festivals 206–207 comets 68, 164 decomposers 107 electorate 123 fiction 44 communication 66, 69, 138, deep-sea zone 187 electric cars 52 filaments 103 defense system, body 225 electrical engineering 91 film 43, 100, 190 215, 250 Degas, Edgar 28 electricity 87, 120, 192 filtering 168 compasses 70, 182, 218 Deimos 156 fins 101 compounds 58, 168 democracy 123 circuits 59 fire 82, 105 computer games 69, 71, 241 Denmark 102 conducting 157 fish 22, 74, 101, 120, 181, 266 computers 71, 137, 192, 212, 280 denominators 112 insulators 157, 195 dermis 229 power stations 110 eggs 86 circuit boards 59 deserts 78, 126, 270 electronics, recycling 205 farming 98 coding 65, 66 diamonds 118 electrons 34, 58 sharks 223 Internet 69, 138 diaphragm 149 elements 58, 90 fishing 72 condensation 57 dictatorships 123 elephants 12, 19, 154 flags 102, 193 conduction 157 digestion 79, 130 elliptical galaxies 116 flammability 157 conductors 188 digital clocks 61 email 69 Fleming, Alexander 218 conifers 109, 126, 194 digital money 169 emojis 280 flight 137, 209, 259, 277 conscientious objectors 279 digital radio 203 energy 60, 88–89 floating 227 conservation 72, 281 dinosaurs 80, 111, 184, 202 electricity 87 floods 60 Constantinople 262 directions 70 food 106, 107 flowers 103, 194 constellations 73 Diwali 207 fossil fuels 110 fog 271 constitutions 123 DNA 67, 119 engineering 91 food 104–105 construction 48 doctors 160, 274 engines 52, 89, 92, 260 digestion 79 container ships 224 documentaries 100 English language 144, 280 farming 98 continents 50–51, 275, 293 dogs 81, 95, 152, 153 Enigma codes 67 nutrition 106 Cook, James 96 dolphins 154 environment 121, 198, plants 191 cooking 104–105 dormice 129 taste 249 copper 47 dragons 178, 206–207 205, 258 food chains 89, 107 coral reefs 74 drawing 28, 219 epidermis 229 football 239, 241 core, Earth’s 135 dreams 231 equality 189 forces 108 cornea 226 drinks 97, 106, 148 erosion 93 buoyancy 227 costumes, traditional 63 droughts 60, 143 erratics 122 friction 114 countries 275, 292 dust mites 165 eruptions, volcanic 268 gravity 125 courts 145 dwarf planets 196 esophagus 79 magnets 151 crafts 75, 132 Europa 141 forests 72, 109, 126, 202, 204 cranes 48 Ee Europe 94, 276, 277, 292 Formula 1 52 craters 164 evaporation 57, 168 fossil fuels 51, 60, 88, 110 crayons 280 ears 127, 225, 235 evergreen trees 261 fossils 80, 95, 111, 202, 219 creation 37 Earth 83, 233, 263, 289 evolution 82, 95, 286 foxes 81 creation stories 42, 178 exercise 173 fractions 112 crocodiles 124, 210 atmosphere 33 exosphere 33 French Revolution 113 cruise ships 224 changing 50–51 experiments 218 friction 108, 114 crust, Earth’s 85, 135 gravity 125 exploration 180–181, 267 Frobisher, Martin 96 crustaceans 139 inside 135 explorers 96 frogs 15, 78, 129, 163, 236, 266 cubed units 269 magnetic field 70, 135, 151 exports 257 fruit 98, 106, 115 cuneiform 47, 280 moon’s orbit 32, 171 expressions, facial 99, 173 fungi 38, 174 currency 169 orbits the sun 32 eyes 54, 119, 226 299

Gg mountain 172 skin 229 Kk oceans and seas 187 temperature 252 Gagarin, Yuri 31, 33, 181 polar regions 197 water 121, 130, 148 kangaroos 154 galaxies 37, 116, 167, 263 rain forests 204 humanoid robots 212 Kenya 102 Galilean moons 141 seashore 220 humans, early 82, 180, 202 Kepler-16b 233 Galilei, Galileo 32 hair 119, 130, 154 hunting 243 keyboards games 69, 240–241 Halley’s Comet 68 huntsman spiders 238 Ganymede 141 hammerhead sharks 223 hurricanes 246 computer 71 garbage 121, 198, 205 Hammurabi, King 145 Huygens, Christiaan 61 musical instruments 175 gases 57, 110, 117 hamsters 152 hydroelectric power 120 kimonos 63 Gaudi, Antonio 245 Han Dynasty 16 hydrogen 58, 120 Kindertransport 277 gears 61 Hang Son Doong cave 55 kiwis 186 gemstones 118 hard drive 71 Ii knights 142, 278 genes 119 Harry Potter 44 gerbils 152 hearing 127 ice ages 51, 202 Ll Germany 102, 277 heart 128 ice caves 55 germs 160, 225 heat igloos 245 lakes 122, 143, 211 Giant’s Causeway 94 conducting 157 igneous rocks 213, 214 land pollution 198 gills 101, 120, 174 friction 114 imports 257 language 66, 67, 144 giraffes 12, 95, 124 helicopters 13 Incas 132, 236 glaciers 55, 93, 122 helium 90, 117 India 29, 63, 102 computer 65 glass 48, 75, 205 heraldry 142 Latin 144, 284 glasses 226 herbivores 107, 154 ancient 19, 42, 272 Latin dance 76 gods and goddesses 18, 132, 158, herds 21 Industrial Revolution latitude 182 hibernation 129 lava 135, 234, 268 179, 183, 208 hieroglyphs 17, 66 89, 133 law 145 gold 44, 90, 199, 200–201 hill forts 140 inheritance 119 leaves 27, 109, 115, 191, 194, Golden Gate Bridge 46 Himalayas 84 insects 105, 134, 139 goldfish 101 Hindi 144, 280 248, 261 governments 123 Hinduism 207, 208 pollen 103 leeches 160 GPS 155, 182, 215 Hippocrates 160 spiders 238 legends 178 grasshoppers 134 Hokusai 28 instruments lemurs 12, 170 grasslands 124, 126 HoloLens 69 medical 160 length 159 gravity 108, 125 home school 273 musical 175, 176–177, 188 lens (eye) 226 Great Barrier Reef 74 homes 244–245 insulators 157, 195 Leonardo da Vinci 209, 218–19 Great Red Spot 141 animals 23 International Space Station 31, leopards 54 Great Wall of China 16 caves 55 levers 150 great white sharks 223 hominins 82 33, 212 life Greece, ancient 18, 67, 241, 269, horse-drawn vehicles 258 international trade 257 houseboats 245 Internet 69, 138 on Earth 50, 83, 247, 270 272, 278 Hua Mulan 178 intertidal zone 254 tree of life 286 alphabet 284 Hubble, Edwin 167 intestines 41, 79 life cycle 146 medicine 160 Hubble Space Telescope 33, 215 inventions 16, 20, 136–137, 217 light 147 philosophy 189 human biology 38 invertebrates 22, 139, 238, 286 light bulbs 59, 217 theater 253 human body 130 Io 141 lightning 87, 246, 252 green transportation 258 brain 45 iris (eye) 226 lines of symmetry 248 Greenwich Mean Time 255 breathing 149 iron 135, 140, 164 lionfish 101 griffins 178 carbon 49 Iron Age 140 lions 54, 107, 124 Gris, Juan 28 cells 41 irregular galaxies 116 liquids 57, 148, 159 growing up 146 defense system 225 Islam 76, 207, 208, 262, 272 lizards 78, 210, 266 growth 231 digestive system 79 Istanbul 262 log boats 258 guinea pigs 153 energy 88 longhouses, Viking 267 gunpowder 279 feelings 99 Jj longitude 182 gymnastics 239 genes 119 longships, Viking 267 heart 128 Japan 63 Louis XVI of France 113 Hh ingredients 130 Imperial 53, 131 lunar rovers 259 life cycle 146 lungs 149 habitable zone 83 muscles 173 jet engines 92 habitats 126 senses 127, 226, 232, 249, 256 jet lag 255 Mm sickness 225 jewelry 47, 75, 118, 200 conservation 72 skeleton 228 jobs 274 machines 133, 150 coral reefs 74 joints 228 Machu Picchu 132, 236 deserts 78 jousting 142 madrasas 272 forests 109 Judaism 207, 208, 277 Magellan, Ferdinand 96 grasslands 124 judges 145 magma 135, 213, 268 intertidal zone 254 jumping spiders 238 magnetic field 70, 135, 151 Jupiter 141, 233, 289 magnetism 108 juries 145 magnets 151 300

magnometers 70 minerals 30, 118, 214 Nile, River 12, 17 gas 117 mammals 22, 86, 154, 266 mines 110, 162, 200 nitrogen 117 liquids 148 mammoths 51, 202 minotaur 178 nonfiction 44 solids 234 Mandarin 144, 284 Mississippi River 184 North America 184 Passover 207 maps 155, 182 mitochondria 41, 56 North Pole 180 peas 115 mixtures 168 nose 149, 225, 232 pencils 280 Europe 292 mobile phones 69, 182, 190, notation, musical 177 pendulums 61 the world 292–293 novels 43 penguins 21, 24, 39, 197, 266 Marie Antoinette 113 250, 280 nuclear physics 192 pens 280 markets 274 Model T Ford 259 nucleus 34, 41, 56, 58 percussion instruments 175, 188 Mars 156, 233, 237, 289 molecules 34, 58 numbers 112, 185 periodic table 90 marsupials 154 mollusks 139 numerators 112 perspective 209 masks 35, 200–201, 253 monarchy 123, 290 nurses 274 Perugino, Pietro 209 mass production 97 money 169, 201 nutrition 106 petals 103 materials 58, 157 monkeys 124, 170 pets 54, 81, 152–153 buildings 48 monotremes 86 Oo pharaohs 12, 17 changing states 57, 148, 234 monsoons 221 philosophy 189 elements 90 the moon 161, 171, 219 Oceania 186 Phobos 156 plastic 195 oceans and seas 187 photo messaging 69 mathematics eclipses 77 photography 190 fractions 112 gravity 125 coral reefs 74 photosynthesis 191 measuring 159 landings 31, 171, 181 exploration 181 physics 192, 217 multiplication 287 lunar rovers 259 garbage in 198 pirates 193 numbers 185 tides 254 habitats 126, 197 pitch 235 shapes 222 moons, planets 141, 156, 161, prehistoric life 202 pixels 251 symmetry 248 sea battles 279 place value 185 volume 159, 269 183, 196, 216 sea levels 51 planes 13, 92, 277 matter 192 Morse Code 66 seashore 220 planets 181, 219, 289 Matterhorn 172 mosques 262 tides 254 dwarf planets 196 Maya 158 moss 194 volcanoes 268 Earth 83, 263 measuring 159 motherboards 71 water cycle 270 Jupiter 141 temperature 252 motor racing 52 oil 110 Mars 156 volume 269 motte and bailey castles 53 Olympic Games 18, 241 Mercury 161 meat-eating plants 194 mountains 50, 51, 84, 122, 172 optic nerve 226 minor planets 183 mechanical engineering 91 mouth 79, 249 oral history 42 Neptune 183 mechanics 192 movement orbit Saturn 216 medicine 137, 160, 218, 274 Earth 32 solar system 233 equipment 192 energy 88 moon 171 types of 233 robots 212 friction 114 Pluto 196 Uranus 264 medieval period 44, 142, 160, 278 muscles 173 orchestras 188 Venus 265 meerkats 107, 124 movies see film Osman I, Sultan 262 plankton 165 melanin 119, 229 mucus 225, 232 ostriches 86 plants 38, 194 melting 57 Mughal Empire 19 otters 21 cells 56 membranes, cell 41, 56 multiplication 287 Ottomans 262 flowers 103 memory 231 mummies 17 ovaries 103 food chains 89, 107 Mercury 161, 233, 289 muscles 130, 173 oxbow lakes 143 fruit and seeds 115 Mesopotamia 121 mushrooms 174 oxygen 34, 49, 58, 117, 120, habitats 126 mesosphere 33 music 131, 176–177, 188 photosynthesis 191 metals 30, 162, 200, 205, 234 instruments 175 128, 191 trees 261 precious 199 musicals 100 breathing 149 plastic 121, 137, 195, 198, 205 metamorphic rocks 213, 214 myths 178 plates, tectonic 85 metamorphosis 163 Pp platinum 199 meteorites 24, 162, 164 Nn plays 253 meteors 200 pain 256 Pluto 183, 196 metro systems 260 Native Americans 14, 179 paint 26 poetry 43 Mexico 206 natural selection 95 painting 28, 201, 243 Poland 277 microbiology 38 navigation 70, 73, 155, 182, 215 palaces 244 polar bears 25, 197 microorganisms 38, 165 negative numbers 185 Panama Canal 184 polar habitats 126, 197 microscopes 165 Neptune 183, 233, 289 pandas 29 poles 151 migration 166 nerves 41, 45, 127, 229 Pangaea 50 police 145 milk, mammals 154 nervous system 45, 130 parchment 44 pollen 103 Milky Way 40, 116, 167, 247, 263 nests 23 Paris 275 neurons 45, 256 parrots 39 Newton, Isaac 125 Parthenon 18 newts 15 particles 34, 58, 90 night 77 301

pollution 60, 72, 198 Ring of Fire 84 hearing 127 soldiers 20, 142, 278–279 polygons 222 rings, planetary 216, 264 sight 226 solidifying 57 pop music 176 rivers 55, 93, 121, 143, 211, 270 smell 232 solids 57, 234 population 275 robots 71, 97, 150, 181, 212, 237 senses continued solubility 148, 157 pores 229 rock cycle 213 taste 249 songbirds 39 pottery 18, 75, 262 rock music 176 touch 256 sound 127, 235 power stations 110 Rocket (steam train) 136–137, separation, mixtures 168 sound waves 235 prairies 124 servers 138 South America 236 praying mantises 139 260 sewing machines 150 South Pole 24, 180 precious metals 199 rockets 237 shadows 147 space prehistoric life 202 rocks 214, 234 shapes 222 prehumans 82 flat and solid 288 asteroids 30 presidents 290 erosion 93 symmetry 248 astronauts 31 primary colors 27 metals 162 volume 269 astronomy 32 primary consumers 107 space 164 sharks 223 black holes 40 primates 170 roller coasters 88 Shinkansen trains 260 comets 68 prime ministers 289–290 Rome, ancient 20, 28, 62, 144, ships 224 constellations 73 printing 28, 44 early 258 eating in 105 prisms 147 230, 272 explorers 96 exploration 180, 181 processors 71 Röntgen, Wilhelm Conrad 219 floating 227 galaxies 116 producers 107 room temperature 252 paddle steamers 184 meteorites 164 programming, computer 65, 66 roots 115, 174, 191, 194 pirate 193 Milky Way 167 prominences 247 rotational symmetry 248 slave trade 230 pets in 153 protein 105, 106 royal courts 62–63 Viking 267 robots 212 protons 34, 58 Russia 275 World War II 277 stars 242 Proxima Centauri 242 shoguns 131 travel 237 pulleys 150 Ss shops 274 universe 263 pulling 108 sickness 160, 225 see also planets pupils 226 Sahara Desert 12, 78 sifting 168 spacecraft 181, 201, 237 puppets 253 sailing boats 224 sight 226 Apollo missions 171 pushing 108 salamanders 15 sign language 144 Cassini-Huygens 216 pyramids 12, 17, 35, 158 saliva 225 signal flags 102 International Space Station 31 Samurai 131 Sikhism 208 lunar rovers 259 Qq San Andreas Fault 85 silver 199 Mars rovers 156 sandstone 213 singing 176 satellites 215 questions and answers 189 saris 63 sinkholes 55 space probes 161, 237 satellites 138, 182, 215, 251 sinking 227 space shuttles 237 Rr Saturn 216, 233, 289 skeleton 130, 228, 266 Voyager 2 264 sauropods 80 skiing 114 spacesuits 31 rabbits 153 savannas 124 skin 119, 130, 225, 229, 256 spaghettification 40 racket sports 240 scales 101, 159 skydiving 33 Spanish language 144 radio 203 schools 272–273 skyscrapers 48 sperm 146 radio waves 203, 250 science 217, 218–219 slate 213 spice trade 96, 180, 257 railroads see trains slavery 230 spiders 139, 153, 238 rain 211, 221, 246, 270, 271 ancient Greece 269 sleep 129, 231 spiral galaxies 116, 167 rainbows 26 ancient India 19 smartphones 138, 250 spores 174 rain forest 126, 204, 236 biology 38 smell 232, 249 sports 36, 121, 239, 240–241 RAM 71 chemistry 58 smokers, ocean 187 spring 221 reactions, chemical 58 physics 192 snails 139 squares 222, 288 recycling 72, 195 Renaissance 209, 218 snakes 78, 124, 152, 210 squires 142 red giant stars 242 science fiction 100 soccer 239, 241 stage 253 reflecting colors 27 scientists 217, 274, 285 society stalactites 55 reflection 147 scorpions 139 Egyptian 17 stalagmites 55 reflective symmetry 248 Scott, Robert 24 Imperial Japanese 131 starfish 139, 248 religion 206–207, 208, 291 Scratch 65 Incas 132 stars 37, 73, 167, 219, 242 remote control 203 screws 150 Roman 20 states, changing 57, 148, 234 Renaissance 209, 218 sculpture 28 solar energy 60, 87, 89, 181, 192 static electricity 87 renewable energy 89 sea see oceans and seas solar flares 247 Statue of Liberty 184 reptiles 22, 86, 210, 266 seahorses 101 solar system 32, 37, 68, 167, steam engines 89, 92, 133, reservoirs 143 seashore 220 retina 226 seasons 221 233, 247, 263 136–137, 260 rice 16, 29 secondary colors 27 see also planets stems 115, 174, 191, right and wrong 189 secondary consumers 107 sedimentary rocks 213, 214 194, 261 seeds 103, 115 senses 225 302

steppes 124 theater 253 Uu weather 64, 66, 192, 215, 221, stigma 103 thermometers 252 246, 271 stingrays 101 thermosphere 33 U-shaped valleys 93, 122 stomach 79, 225 theropods 80 UFOs (unidentified flying weaver birds 23 Stone Age 62, 202, 243 thinking 45, 189 objects) 64 weaving 63, 75 stone buildings 48 thunderstorms 246 ultraviolet light 214 webs, spider 238 Stonehenge 243 tides 254 Uluru 186 websites 138 storms 60, 141, 246 tigers 266 underground trains 260 wedges 150 storytelling 42–43 time 61, 159, 289 United Kingdom 102 weighing 159 stratosphere 33 time zones 255 United States 102, 123, 184 whale sharks 223 stratovolcanoes 268 tin 47 wheels 91, 136, 258 streams 143, 211 Titan 216 American West 14 street dance 76 toads 15, 266 Civil War 279, 290–291 bicycles 36 string instruments 175, 188 togas 62 presidents 290 cars 52 submersibles 224 Tokyo 275 slavery 230 tractors 150 sugar 106 tongue 54, 232, 249 universe 37, 40, 263 whiskers 54 suits 63 tools Uranus 183, 233, 264, 289 white blood cells 225 sultans 262 urinary system 130 white light 147 summer 221 animals 170 USB ports 71 whole numbers 185 the sun 68, 89, 147, 233, first human 82 Wi-Fi 138 Iron Age 140 Vv wild cats 54 242, 247 measuring 159 wind Earth’s orbit 32 school 273 vaccinations 160 Earth 271 eclipses 77 Stone Age 243 vacuoles 56 Neptune 183 movement 77 tornadoes 246 value 169 wind instruments 175, 188 seasons 221 tortoises 210 valves, heart 128 wind sculptures 93 sundials 61, 255 touch 256 van Gogh, Vincent 28 wind turbines 60, 87, 89 sunlight 191 Toutatis 30 Vatican City 275 winter 221 sunlit zone 187 trachea 149 vegetables 98, 106 winter sports 239 sunshine 271 tractors 150 veins 128 wireless gadgets 203 supernovas 242 trade 96, 180, 224, 257 Venus 233, 265, 289 wolves 81 surface, Earth 51, 84, 135 trains 14, 92, 133, 136–137, Venus fly trap 194 women at war 276 suspension bridges 46 vertebrates 22, 266, 286 wood carvings 75 sweat glands 229 260 vibrations, sound 235 woodwind instruments 188 switches 59 Transit of Venus 265 video calls 69 work 169, 274 symmetry 248 transpiration 270 video games 71 working dogs 81 transportation 258–259 Vikings 267 the world 275 Tt viruses 38, 160, 165 map 292–293 bicycles 36 voice box 149 World War I 276 tadpoles 163 cars 52 volcanic rock 213 World War II 63, 277 Taj Mahal 19, 29 rivers 211 volcanoes worms 139 tanks 277 ships 224 Wright brothers 137 tarantulas 238 space travel 237 Earth 84, 135, 184, 213, writers 283 taste 232, 249 trains 260 268 writing 280 teachers 274 treasure 193 ancient China 16 team sports 239 tree of life 286 planets 156, 196, 265 ancient Greece 67 tears 225, 226 trees 78, 109, 172, 261 volume (maths) 159, 269 Bronze Age 47 tectonic plates 84 trench warfare 276 volume (sound) 235 systems 284 teenagers 146 triangles 222, 248, 288 Voyager 2 spacecraft 264 teeth 79 Triceratops 80 Xx telegraph 69 Triton 183 Ww telephones 69, 250 Trojan War 278 X-rays 160, 192, 219 telescopes 32 troposphere 33 wading birds 39 television 251 trunks (trees) 261 wagon trains 14 Yy temperature 252 tsunamis 85 war 67, 276, 277, 278–279 tundra 126 water 58, 106, 120–121, yellow dwarf stars 247 Earth 64 Turing, Alan 67 measuring 159 Turkey, Republic of 262 148, 211 Zz planets 161, 264, 265 Turkish Empire 262 boiling and freezing 252 temples 18, 35, 158 turtles 74, 210 changing states 57 zebras 21, 124 termite mounds 23, 124 twilight zone 187 energy 60, 89 Zheng He 96 tertiary consumers 107 twins 119 life on Earth 83, 270 zoology 38 texting 69 two-dimensional shapes 222 pollution 198 zoos 281 thatch 244 Tyrannosaurus rex 80 sinking and floating 227 water cycle 64, 270 water sports 121 waves 85 weapons see war 303

Acknowledgments The publisher would like to thank the following Cooper (bc). 91 123RF.com: quangpraha (cla); Songsak Paname (bl). com: Phanuwatn (br); Scriptx (bc). 192 123RF.com: Baloncici (ca/Heart rate people for their help in the production of this book: Alamy Stock Photo: Mopic (br); Olaf Doering (cra). Dorling Kindersley: monitor); Stanislav Khomutovsky (clb/Atom). Dorling Kindersley: Science Patrick Cuthbertson for reviewing the earliest history The Science Museum, London (fbl). iStockphoto.com: anyaivanova (cl). Museum, London (crb). Dreamstime.com: Giovanni Gagliardi (clb); Staphy pages, Dr Manuel Breuer for reviewing the evolution page, 92 Alamy Stock Photo: Stephen Dorey ABIPP (clb). Dreamstime.com: (ca). Getty Images: mds0 (bc). 193 Alamy Stock Photo: Science History and Patrick Thompson, University of Strathclyde, for Tr3gi (crb). 94 Alamy Stock Photo: Rod McLean (bl). 95 Dreamstime.com: Images (br). 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