She tried to look as casual as possible, tried to act like it was perfectly normal for the lunchroom to be stone silent except for the clattering of plates and the squeaking of sneakers on the waxed floor.
a collection containing a variety of kinds of things
These were not the kind of screams that make grown-ups come running. They were just an ugly assortment of squeals and yelps and shrieks that everyone else found very annoying.
There were the usual grunts of effort and screams of terror, and when three or four kids with red dodgeballs would silently go hunting for one player on the other team, it was sort of like watching a pack of wolves go after a lone caribou: A motion of the leader's head, a movement toward the prey, and then, Whack! Whack! WHOMP!—dead meat.
an automatic instinctive unlearned reaction to a stimulus
From the gym teacher’s point of view, dodgeball was all about improving reflexes and getting a good large-motor-skills workout, and to accomplish those goals without any of the taunting and teasing and name-calling? That was just fine by her.