“questioning is a more subtle and complex skill than many realize, involving three kinds of sophisticated thinking—divergent, convergent, and metacognitive. Some of it comes naturally to kids, but some must be learned and practiced. Since questioning seems to drop off at around age five, the innate questioning skills we start out with have long been neglected by junior high and high school. By that time, “the question-asking muscle,” as Rothstein calls it, has atrophied and needs to be built up.     Can”