I just finished all the reading and course work for National University's course MAT670 Theory Best Practice Teaching. Like all the courses at National University there is so much information given that it is hard to digest in the amount of time (four weeks) allocated. But this course offered me something I was able to use the very same week in my science classroom, and if that is all I got out of the course I would count it as money well spent. I'm talking about this video by Doug Fisher . It was so useful to me that I consider it the most useful thing I read or heard or saw during the whole course. About 17 minutes into the video Doug Fisher, a professor at San Diego State University started talking about helping students read texts that contain unfamiliar vocabulary. Well, that's all I do in my science class. The vocabulary I make my students read is full of scientific jargon most of them do not hear outside my class. His advice that teacher...