Especially not when you don't know the rules yet. [He's not playing at hitting the things, strangely persistent headband girl. However, she's not entirely useless, so he doesn't make a huge thing of it.]
Read back the data from that impact, would you? [In this totally handwavable sequence, she should find on screen a variety of formulas and several data points plotted out. He's testing their shields, if you know the formula -- and yes, he's testing whether she grasps particle physics.]