Describes the use of "Water Crossings," a Project WET activity, with preservice elementary teachers in a science methods course. Discusses how the activity integrates applications from physical science with history and geography concepts. Explains that the teaching strategy used is a version of the scientific method. (WRM)

Describes an open-ended interdisciplinary activity in which students construct a model of an island and then investigate real-life problems and other student selected island projects. Emphasis placed on problem solving. (BR)

A number of suggestions are made for changing the full, sterile environment of a biology laboratory into one which is lively and motivating to students. (JR)