Here is another way of looking at PBL essential elements.
Edutopia's guide for assessing projects. Very helpful recommendations. Click here.
Another PBL web site with helpful information and links.
Many resources, examples and articles in my searchable PBL ScoopIt!
Technology tips and tools ScoopIt!
The Buck Institute of Education has great examples and free materials. Be sure to check them out!
The picture links to the PBL part of Edutopia. Click on the Home button for even more information on this great site!
District TechEd website-the Tech Coaches are maintaining this site. Tons of resources.