While I've been using Project Based Learning since my second year as a public school teacher some 14 years ago, I have only recently learned the vocabulary to describe the practices I find so effective. Thanks to BIE.org for standardizing and publicizing this terminology. So here's what we do (and don't) say to describe our practices. A big shout out to a certain nearby Project Based Learning elementary school for giving me a few new words and helping refine my understanding of Project Based Learning in the elementary school as well. I would tell you the name of said school, but they are already overrun with visitors. (You can ask me again next school year.) To begin with, Project Based Learning is not a regular noun, it's a gerund, like "caring" or "running." You can't "have" it or "hold" it because it's verb-like. Thus . . . Don't say: This is my PBL. Instead say, "This is my project." Don't say: Th...