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)

Described is the generation of a scale model of the solar system and the milky way galaxy using a computer spreadsheet program. A sample spreadsheet including cell formulas is provided. Suggestions for using this activity as a teaching technique are included. (CW)

Describes a two-week lesson on electric fields that combined lecture, interactive video, lab experimentation, computer spread sheets, and computer-assisted-graphing. (PR)