Described is the nature of scientific enterprise, the nature of thinking and problem solving, and the nature of science as an adventure. It is suggested that teachers of science could use this book to help make science education a liberating and intellectually stimulating experience. It is a book which treats exhaustively the theoretical and practical foundations of student investigations in science. It is addressed to the individual science teachers and their students, for carrying on securely the entire process of scientific inquiry, accomplishing in the process, the skills needed to produce high standard project reports. The book is organized into eight chapters. The first chapter is elementary and encourages the readers to investigate aspects of science. The other chapters relate to problem solving, science history, exposure to fundamental scientific phenomena, some specimen projects, investigative questions, and project ideas. An extensive reference list, by chapters, is included. (Author/EB)