Working in the Dark

My small class (13 students) of eighth grades loves working in the dark. When I use the SMART Board, I usually turn off the front lights so they can see it better. When I did that, they asked me to turn off all the lights. So I tried it, and it was great. It felt much calmer in there. So now we work in the dark sometimes, with the SMART Board as the only light. Here they are taking a quiz.