Sources

http://blogs.kqed.org/mindshift/2012/10/for-students-why-the-question-is-more-important-than-the-answer/ http://usergeneratededucation.wordpress.com/2013/03/24/learners-should-be-developing-their-own-essential-questions/

[|http://hepg.org/hel/article/507#home]