Though it may seem that classroom management comes naturally to some teachers, upon closer examination you'll probably discover that preparation and adaptation are more important than any innate ability when it comes to successful classroom management. Any experienced middle school science teacher can tell you that successful classroom management is an ongoing, evolving process--teachers need to modify their daily practices based on the observed behaviors and feedback of their students. This article describes some strategies to manage inquiry-based science classrooms effectively. (Contains 3 figures.)