Explains how students can be guided to model the invention process using potatoes. Details the steps and the materials used in the modeling, including the phases of the invention process. Presents this activity as preparation for the Invent America program. (DDR)

Presents stories that illustrate how children learned lessons about the nature of science. These lessons include such ideas as observing closely and keep records, accessing resources, and collaborating with each other. Describes the use of a classroom bird station and nature walks in accomplishing the goals. (DDR)

Focuses on how one teacher examined classroom discourse through a unit on tornadoes and natural catastrophes. Defines various types of discourse and discusses how discourse in a 6th grade class was analyzed. Details some of the activities that engaged students. (DDR)