How It Works: 101 Amazing Facts You Need To Know

you need to know Welcome to 101 Amazing FACTS you need to know Have you ever wondered why we sneeze? How about how pearls are formed? If you want to know more about the world we live in, you’ve come to the right place. This book contains facts from six subject areas: the environment, technology, science, space, transport and history – and each section is packed with questions and answers that will feed even the hungriest of minds. 101 Amazing FACTS you need to know Imagine Publishing Ltd Richmond House 33 Richmond Hill Bournemouth Dorset BH2 6EZ  +44 (0) 1202 586200 Website: www.imagine-publishing.co.uk Twitter: @Books_Imagine Facebook: www.facebook.com/ImagineBookazines Head of Publishing Aaron Asadi Head of Design Ross Andrews Editor Jon White Senior Art Editor Greg Whitaker Design Abbi Denney Photographer James Sheppard Cover images courtesy of NASA, Thinkstock, DK Images, Wallace63, Richard Bartz, Pastorius, Wally Printed by William Gibbons, 26 Planetary Road, Willenhall, West Midlands, WV13 3XT Distributed in the UK & Eire by Imagine Publishing Ltd, www.imagineshop.co.uk. Tel 01202 586200 Distributed in Australia by Gordon & Gotch, Equinox Centre, 18 Rodborough Road, Frenchs Forest, NSW 2086. Tel + 61 2 9972 8800 Distributed in the Rest of the World by Marketforce, Blue Fin Building, 110 Southwark Street, London, SE1 0SU Disclaimer The publisher cannot accept responsibility for any unsolicited material lost or damaged in the post. All text and layout is the copyright of Imagine Publishing Ltd. Nothing in this bookazine may be reproduced in whole or part without the written permission of the publisher. All copyrights are recognised and used specifically for the purpose of criticism and review. Although the bookazine has endeavoured to ensure all information is correct at time of print, prices and availability may change. This bookazine is fully independent and not affiliated in any way with the companies mentioned herein. How It Works 101 Amazing Facts You Need To Know © 2014 Imagine Publishing Ltd ISBN 978-1-909758-81-0 Part of the book series 101 Amazing Facts You Need To Know Contents Environment 10 How does the Arctic Ocean freeze? 12 Why is the coast eroding? 16 What is coral? 28 What causes double rainbows? 29 Which animal has the best sight? 18 How do seahorses reproduce? 30 Why does water turn white? 19 How do pearls form? 31 Why don’t woodpeckers 20 What causes red tides? 22 How was the Giant’s Causeway formed? 24 How deep is the deepest cave? 32 How do Venus flytraps work? 32 Does China own all pandas? 33 Which is the world’s tallest waterfall? © SPL 26 How do jet streams work? get headaches? 6 Technology 34 What is fracking? 36 How safe are roller coasters? 46 How do homing missiles always stay on target? 40 Can phones work underwater? 48 How do barcodes work? 41 What’s inside a hard drive? 48 What is RAM? 42 How are light trails captured? 49 How do flare guns work? 44 How do machines make ice? 50 How do sprinklers save lives? 45 Can a compass work 51 What is underfloor heating? underground? 45 Should print inks be primary colours? 52 How can cranes get so high? 54 What’s inside a jukebox? 55 How do kettles boil water?