Describes CD-ROM-based program called Joint Education Initiative that was started by U.S. Geological Survey. The culmination of the collaborative effort includes three compact discs and a teacher activity book. The discs contain several databases, geophysical data that can be superimposed over satellite images of North America, images from the…

Discusses a weather prediction activity connecting local weather network by computer modem. Describes software for telecommunications, data gathering, preparation work, and instructional procedures. (YP)

Demonstrating wave processes quantitatively in the classroom using standard classroom tools (such as Slinkys and wave tanks) can be difficult. For example, waves often travel too fast for students to actually measure amplitude or wavelength. Also, when teaching propagating waves, reflections from the ends set up standing waves, which can confuse…