A journey through scientific discovery, from stone tools and simple machines to rockets and robots, Science Year by Year traces the key steps in the history of science and is packed full of fascinating science facts for kids. Science Year by Year features stunning illustrated timelines that detail pivotal scientific developments and in-depth studies on revolutionary innovators and inventors. The easy-to-follow timeline information transforms momentous scientific discoveries into manageable chunks of knowledge so you can easily explore the ideas, experiments and technologies that have shaped our daily lives. Using stunning images to reveal snapshots of scientific history, such as the first atomic bomb, and quotes from groundbreaking scientists that add context to their amazing ideas, Science Year by Year is a fantastic resource for children age 9+, parents and teachers.