Oral presentations are pedagogically useful when there are many examples or subcategories for the topic at hand. For example, in the author's biology classes, students make presentations on different species of bacteria--highlighting morphology, benefits or detriments, transmissions, niches, and other relevant information. They also present on a genetic disorder, providing information on background, genetic basis, and treatment. When designing these kinds of projects, it's important to consider factors that can help increase quality and engage students. In this article, he provides suggestions and tools to help teachers implement successful oral presentations in their science classrooms. (Contains 3 figures.)