This accessible, eye-catching book is jam-packed with incredible physics facts and the science behind them, written by award-winning science writer Anne Rooney. From the mysteries of the Universe to the laws of motion, these jaw-dropping facts allow readers to rediscover subjects such as light and sound, machines, and forces in an entirely new light. Each new concept is kicked off with a surprising fact - and then we take you behind the scenes to discover the science secrets behind that particular phenomenon. Did you know that. * Stargazing is a kind of time travel * Some black holes are "hairy" * Astronauts never snore in space Supporting STEM learning, these surprising facts are a perfect entryway into learning important physics concepts that kids will love sharing with family and friends. These are brought to life by full-color illustrations, diagrams, fact boxes and a glossary of key terms. Perfect for kids aged 8+. ABOUT THE SERIES: The Know Your Science! series presents extraordinary and mind-boggling science facts that kids will love, and the scientific explanations behind them, brought to life with vibrant diagrams and illustrations.