Project Based Learning

When students are challenged to get to work solving real-life problems, the whole world becomes a classroom. In project-based learning, students work in groups to solve challenging problems that are authentic, curriculum-based, and often interdisciplinary. Learners decide how to approach a problem and what activities to pursue. This article gives information about this interesting topic.
http://www.techlearning.com/db_area/archives/TL/2003/01/project.php