This chapter presents a detailed in-depth explanation of the BSCS 5E Instructional Model. The model is commonly referred to as the 5Es—engage, explore, explain, elaborate, and evaluate. It can be used to help frame an integrated instructional sequence that may be a unit or an entire program and once internalized, it also can inform many of the decisions teachers must make in the flow and dynamics of classrooms. Chapter 10 is included in this book selection and provides background on how implementing the BSCS 5E Instructional Model is one means to achieve the professional goal of improving student learning. Teacher background information and references are provided. This book selection also includes the Table of Contents, Preface, Acknowledgments, About the Author, Appendix 1-5, and Index.