Discusses types of mass media suitable for use in science classrooms. Types of media, limitations, and instructional strategies are provided. Also provided are three case studies illustrating their use. Comments on making media available to students and an annotated list of several resources are included. (JN)

Presents an identification method which uses the process of elimination to identify pollination systems. Provides the polyclave key, methodology for using the key, a sample worksheet, and abbreviation codes for pollination systems. (MVL)

Explains the use of the microcomputer as a multipurpose analytical instrument which frees students from the mechanics of science and allows for more active learning involvement. Provides the typical data acquisition configuration, advantages, disadvantages, and a brief summary. (RT)