Category: Uncategorized

  • To teach, or not to teach….to the test

    In the last few weeks, I’ve spent considerable time updating my course websites for the 2020 summer session and academic year. This has been more complicated than usual, since I’ve decided, after considerable thought and inward turmoil, not to seek Advanced Placement recertification for the biology, chemistry, and physics courses I’ve taught for the last…

  • Causes

    The Greek philosopher Aristotle thought widely and deeply on many subjects. Some of his ideas have proven to be unworkable or simply wrong — his description of a trajectory of a thrown object, for example, works only in Roadrunner cartoons: in Newtonian physics, a thrown ball does not turn at a right angle and fall…

  • Time to Think

    On average, my students today are considerably less patient than those of twenty years ago. They get twitchy if they are asked merely to think about something. They don’t know how. My sense is not that they are lazy: in fact, it’s perhaps just the opposite. Just thinking about something feels to them like idling,…