Teaching methodologies, such as Problem Based Learning (PBL), have arisen in response to educational research that has found evidence that even though lecturing may be the most prevalent teaching tool it is arguably the least effective way to facilitate student learning. It is important then, for methods instructors to give preservice teachers tools and strategies for use in the classroom. PBL is a tool that teaches cooperative learning, grouping of students, and an inquiry-based methodology for science instruction. This paper discusses the aspects of providing PBL instruction in a methods course. (Contains 26 references.) (MVL)