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…

The focus of this paper is on selected recent South African research studies that have explored efforts to promote the discussion, writing, and arguing aspects of scientific literacy in primary and middle schools, particularly amongst second-language learners. These studies reveal improvements in the participants' abilities to both use the…

Discusses using the geologic history of the Paleozoic era for presentations. Describes methodology involved including data collection, summarizing and presentations. Notes the approach has received an enthusiastic response from students and is a rewarding change from the traditional lecture format. (Author/MVL)