"In this post, you are about to discover one of my most resource-filled posts ever! One that is dedicated to highlighting some amazing free resources that will help support STEM-based PBL in the classroom."
Find links to a wide variety of resources. Sections include
* "resources that provide ideas or blueprints for an entire PBL project;"
* sites that may be a foundation for a PBL unit; and
* sites with free software for STEM based PBL