AN IMPORTANT DISTINCTION IN PROBLEM SOLVING IS BETWEEN WELL STRUCTURED

AND ILL STRUCTURED* PROBLEMS AND BETWEEN HEURISTIC*AND ALGORITHMIC STRATEGIES

Problem Solving and Problem Based Learning by Dr. Andrew Johnson, Minnesotate State University

Author of Making Connections in Elementary and Middle School Social Studies

http://www.youtube.com/watch?v=OLVvPBpThkM&feature=related  

These are examples of what David Jonassen would call ill structured problems.
About TeachableMoment.Org

http://www.teachablemoment.org/about.html 
TeachableMoment.Org provides educators with timely teaching ideas to encourage critical thinking on issues of the day and foster a positive classroom environment. It is a project of Morningside Center for Teaching Social Responsibility (formerly Educators for Social Responsibility Metropolitan Area).

Topical activities are available for elementary school, middle school, and high school levels.

Interactive Simulations of Science Concepts

https://phet.colorado.edu/en/simulation/energy-skate-park-basics  

Another way to represent a challenging science concept

http://www.youtube.com/watch?v=9O7y7XEC66M

Metacognition and Important Learning/Study Skills

http://www.youtube.com/watch?feature=player_embedded&v=LNeQKk_1Bg8#!

Video of Paul Lackey's middle school class singing their Metacognition song.