Provides helpful tips regarding classroom use of computers in a cooperative-learning environment. Comments on student computer ratio, interdependence, individual accountability, heterogeneous grouping, shared responsibility, and good working relationships. (ZWH)

Describes methods to access current earthquake information from the National Earthquake Information Center. Enables students to build genuine learning experiences using real data from earthquakes that have recently occurred. (JRH)

Outlines benefits of integrating optical instruments in computer-based instructional systems in a science classroom including budget, immediacy, pictorial records, and graphic enhancement. Presents examples of investigative activities involving optical instruments and images digitized for computer-based manipulation. (JRH)