Annick Press Ltd

Table of contents Introduction Chapter 1: CUTE CRITTERS AND UP-ROAR-IOUS CREATURES Earth is crawling with incredible animals What do cats use their whiskers for? Why do dogs see in black and white? Why don't owls fly in the morning? Why do scorpions glow under ultraviolet light? Why don't wasps make honey? Why do bees sting? What is the oldest animal on Earth? Why are sharks so scary? Why didn't sharks become extinct with the dinosaurs? How do scientists know a T-rex was standing on two feet? Are birds really dinosaurs? Chapter 2: THE WORLD INSIDE US From nose to toes and brains to bums, our bodies are amazing What makes us human? Why do we grow hair? Why do we have butts? How many times can you spin before you puke? Why does my pee smell? How does sound get to our brain? Do we all see color the same? Why are games so fun? Will humans ever fly? Is genetic mutation that creates super abilities possible? Chapter 3: THIS PLANET WE CALL HOME Earth is a naturally curious place Why do we have to go outside? How did water get on Earth? What makes volcanos explode? Why are flowers different colors? Why is a cactus prickly? How do mirrors reflect? What color is sunlight? Why does my shadow follow me? How does static make hair fly? How many people live on Earth? Chapter 4: TREMENDOUS TECH AND INSPIRING INNOVATIONS Science can make life better, safer, and more fun How do you get the strawberry in the strawberry candy? Why does my bag of popcorn explode after microwaving for two minutes? Why is glue sticky? How does an X-ray see through bodies? When will they cure cancer? Can stem cells bring back the dead? Can we live forever one day? Why do we pollute? How does information travel so fast on the internet? Is there Wi-Fi in space? Chapter 5: OUR OUT-OF-THIS WORLD UNIVERSE Far-out facts about space Why do northern lights exist? Why is there no gravity in space? When will the sun explode? What is the coldest star? Do bacteria grow in space? Why are there astronauts in space when we have robots? How far is it possible to go in a spaceship? How do people survive on Mars? Conclusion Acknowledgments Further Reading and Select Sources Index

Introduction /6 Chapter 1 /8 Whipping Up a Batch of Planet Earth There's a whole amazing world below your feet (and all around you) Why is ocean water salty? /10 Why is some water turquoise and some water brown? /11 If metal sinks, how do boats float? /12 How does gravity keep us down? /13 Where does wind come from? /14 Why can't we feel the Earth moving? /15 What came first, the tree or the seed? /16 How do trees know about seasons? /17 Is there enough food in the world? /18 Why don't cars run on apple juice? /19 Chapter 2 /20 Creeping, Crawling, Living Things From the smallest to the tallest, animals are born to be WILD Why do worms come out when it rains? /22 Why don't jellyfish have brains? /23 Can rats burp? /24 Why do we have different faces but ants do not? /25 How do whales sleep? /26 Why can't you live with a wolf? /28 If a dog says "woof" will other dogs understand? /29 What's the smartest animal on Earth? /30 How many unfound species are there in the world? /31 Chapter 3 /32 Human Bodies from the Inside Out The skin you're in houses your brain, heart, and a whole lot more Why do my toots smell? /34 Why do you always have to go to the bathroom? /36 Why is poo brown? /37 Why are we tired when we run? /38 Why can't humans breathe underwater? /39 Why do humans have two eyes? /40 Why do teeth fall out? /41 Why is everybody different? /42 How do people think without language? /44 Why do people find things funny? Why is everyone so funny? /45 Why do people need to sleep? /46 Why do we die? /47 Chapter 4 /48 Stars, Moons, Planets, and Outer Space Gazing into the night sky just got way more interesting Are there other creatures on other planets? /50 How do the stars stay in the sky? /52 What happens inside a black hole? /53 Why are planets round? /54 Will another asteroid hit Earth? /55 If I were to sneeze in outer space, would my head blow up? /56 Can sound move in space? /57 What causes a solar eclipse? /58 Why do diamonds rain onto Saturn? /59 If the universe is expanding, then what's outside the universe? /60 Chapter 5 /62 Big Ideas About Past, Present, and Future Mind-blowing, keep-you-up-at-night scientific theories change our experience of EVERYTHING around us How did we discover the Big Bang? /64 Why are dinosaurs so BIG? /66 How do we really know a meteor killed the dinosaurs? /68 What would the world be like if dinosaurs were still alive? /70 Can we make dinosaurs from dino DNA? /71 How did the Ice Age start? /72 What is time? /74 Is time travel possible? /75 What hasn't been invented? /76 Conclusion /78 Acknowledgments /80 Sources and Further Reading /82 Index /86 About the Author and Illustrator /88

Your Introduction to Adventure Part 1: PREPARE Chapter 1: Slip-Sliding My Way into Hypothermia Chapter 2: High-Speed Moose Chase Chapter 3: That's not an Egg! Part 2: OBSERVE Chapter 4: Here, Kitty, Kitty Chapter 5: The Christmas Snails Chapter 6: Foggy Brain Syndrome Part 3: REACT Chapter 7: Come and Find Me! Chapter 8: Eye of the Jaguar Chapter 9: Night of the Mini-Vampires Part 4: ADAPT Chapter 10: A Tale of Two Grubs Chapter 11: Sleeping with the Cockroaches Chapter 12: The Coldest Night of the Year Epilogue to Adventure Special Thanks Acknowledgments Further Reading

Your Introduction to Adventure Part 1: PREPARE Chapter 1: Slip-Sliding My Way into Hypothermia Chapter 2: High-Speed Moose Chase Chapter 3: That's not an Egg! Part 2: OBSERVE Chapter 4: Here, Kitty, Kitty Chapter 5: The Christmas Snails Chapter 6: Foggy Brain Syndrome Part 3: REACT Chapter 7: Come and Find Me! Chapter 8: Eye of the Jaguar Chapter 9: Night of the Mini-Vampires Part 4: ADAPT Chapter 10: A Tale of Two Grubs Chapter 11: Sleeping with the Cockroaches Chapter 12: The Coldest Night of the Year Epilogue to Adventure Special Thanks Acknowledgments Further Reading