Resources References  
   
  Getting Learner Centered
Learner Characteristics
Facilitated Discussion
Cooperative and Collaborative Learning
Learner Directed Exploration
Problem/Case-based Learning
WebQuest
Microworlds/Simulation
Virtual Lab
Cognitive Flexibility Hypermedia
Computer Supported Intentional Learning Environment
Overview Examples

Bio-interactive labs
http://www.hhmi.org/biointeractive/vlabs/

Virtual Labs and Field Trips
http://www.umuc.edu/virtualteaching/module1/vlabs.html

The Virtual Laboratory: Using Networks to Enable Widely Distributed Collaboratory Science
http://www-itg.lbl.gov/~johnston/Virtual.Labs.html