Discusses concepts that can be taught using bicycles. Includes examples of activities/experiments using these devices as well as suggestions for their use as research tools for student projects. One area of investigation suggested is an examination of variables that determine the speed at which a bicycle moves. (JN)

Presents a study of four different teaching strategies dealing with comparing lower-level questions with higher-level questions and comparing feedback correctives with no feedback correctives. The lowest levels of achievement were in the class with low-level questions and no feedback correctives. (PR)

Defines wetlands and lists several types of wetland habitat. Describes explorations that can be done with secondary school students including the baby boom, a food pyramid, and microenvironments. Includes a classroom poster with text on the variety of wetlands. (CW)

Gives guidelines for using a microcomputer software evaluation instrument which focuses on policy issues, instructional quality, science subject-matter standards, and technical quality. The complete evaluation instrument is included. (JM)

Provided are examples of science/society scenarios for biology, chemistry, and physics classes, as well as those of an interdisciplinary nature. These scenarios present some social or ethical problems related to the discipline and pose questions for student discussions. (Includes description of a project involved in developing/piloting such…