100 Facts Science introduces children aged 7+ to the mysterious and exciting world of science in this brilliant ebook. 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 ebook. 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.