Inquiry is the dynamic process of being open to wonder and puzzlements and coming to know and understand the world through a systematic investigation into a problem, issue, topic or idea. (Galileo Network)
Markham, Thom. How to Make Sure That Project-based Learning is Applied Well in Schools. MindShift. December 2, 2015 http://linkis.com/ww2.kqed.org/mindshi/U0sJX
Miller, Andrew. 6 Strategies for Differentiated Instruction in Project-Based Learning. Edutopia. January 6, 2016.