Understanding science has never been easier. Combining bold graphics with easy-to-understand text, Simply Science is the perfect introduction for those who are short on time but hungry for knowledge. The book covers not only the core sciences--physics, biology, and chemistry--but also Earth science and astronomy. Assuming no previous scientific knowledge, it covers more than 100 cornerstone ideas, ranging from photosynthesis to chemical reactions, the laws of motion, and the general theory of relativity. Pared-back entries each focus on a single concept and use a combination of clear text and simple graphics to explain it as directly and concisely as possible. Whether you are studying science in school or college, or simply want a jargon-free overview of the subject, this essential guide is packed with everything you need to understand the basics of science quickly and easily.