100 Facts Science is a fantastic illustrated children's book for 7-10 year olds, introducing readers to the mysterious and exciting world of science. Packed with key topics from atoms to X-rays, learn why machines make work easier, how far a laser beam can travel, and what the world would be like without magnets. Exactly 100 numbered facts will challenge children, acting as an incentive as they make their way through the book. Photographs, artwork and diagrams explain things further while activities, quizzes and cartoons make learning fun. 100 Facts is the perfect introduction to this fascinating topic. Topics covered: Why do we need science?, Machines big and small, When science is hot, Engine power, Transport, Sound and noise, Loo