Online students help decide the route. Five explorers travel 4,000 miles across the United States, covering the cities, people and historical events that shape the nation. Expedition to Costa Rica will focus on the study of endangered leatherback sea turtles. Sept. 98-March 1999. Jason X, a team of scientists and students, do a comparative study of U.S. and Peruvian rain forests.
Classrooms interact with scientists on the Internet and via satellite in specific sites.
Sept. 1998-June 1999. Simultaneous expeditions cover rain forests, wetlands and the ocean in Australia, Mexico and Turks and Caicos Islands. Includes an interactive field trip of 35 students aboard the ship Concordia. Such online odysseys took shape in the early '90s and are playing an increasing role in public, private and home-school curricula across the nation. Fourth-grade teacher Cynthia Thomas says these virtual field trips have changed her academic approach after 22 years in her profession.