100 Facts: Speed

100 Facts Speed is a fascinating illustrated children's book for 7-10 year olds, explaining the science behind all things speedy. Discover how we measure acceleration, why heavy things are hard to speed up, and who first broke the sound barrier. Covering a wide range of topics from super-speedy animals to hypersonic planes, exactly 100 numbered facts will challenge children, acting as an incentive as they make their way through the book. Packed with exhilarating photographs, detailed diagrams and panels containing activities, quizzes and cartoons, 100 Facts is the perfect introduction to this fascinating subject. Topics covered: Units for speed, It's all relative, Measuring speed, What is velocity?, Speed and energy, Natural speeds, Life in the fast lane, Breeding the best, Out in front, Designed for speed, Making a breakthrough, Modern speed machines, Reaching the limit, Speeding up, slowing down, Stop!, Special speeds, Ultimate speed.