This book is a short primer in each of the major science content areas that preservice and inservice elementary and middle school teachers are expected to know. As a quick reference to science concepts, events, influence, and chronology, this book is an invaluable resource for the classroom teacher who needs an overview for planning, as well as help in answering student questions. Based broadly on the national standards, it gives the teacher general scientific information to cover most state's standards. It also provides a strong overview of science and technology related to the social context that allows the teacher to better understand the science contribution to important events and inventions, identify significant trends in human history, and help in the teacher's understanding of science concepts and events. Moreover, it saves professors of methods courses from having to re-teach science concepts content so they can remain focused on the methods.