Describes a free online service that can enhance water quality studies by allowing students from across the United States to share data. This telecommunications service from the University of Louisville combines chemistry, biology, environmental science, mathematics, and computer technology into interdisciplinary water quality studies. (JRH)

Describes student-friendly data sets accessible over the Internet that enable students to use large sets of real data to create graphs, apply basic statistical techniques, construct models, and draw conclusions about how the earth functions. Lists useful online data sets. (JRH)

Describes an introductory meteorology course for nonacademic high school students. The course is made hands-on by the use of an educational software program offered by Accu-Weather. The program contains a meteorology database and instructional modules. (PR)