This book to all educators, including teachers, trainers, pre-service teachers and academics, as well as to science center officials and policy makers, on how the potential of science centers, the number of which is increasing day by day in our country, can be evaluated more effectively both in schools and for our citizens of all ages, out of school, in science centers. It was written to present the issues from different perspectives. This book, written by 57 valuable authors, consists of academicians specialized in different fields such as physics, chemistry, biology, mathematics, astronomy, engineering and art, science center administrators and instructors, as well as teachers who care about learning in science centers, and consists of 38 chapters. We hope that this book, in which new approaches to teaching different subjects and concepts in schools and science centers are discussed and sample applications are presented, will open new horizons in the journey of learning beyond the school walls in our country and contribute to the spread of science and technology in our society, and we wish you a good read.