Do your students have "doh!" moments? During the respirometry lab, they spent about 15 minutes setting up the chambers and then submerging them into warm or cold water. As I circulated among the groups checking … Mehr on their progress, I asked one crew how things were going. They answered enthusiastically that their germinating seeds were taking in a lot more oxygen than the others vials. I asked to see their data and their sheet was blank, to which they responded: "We were supposed to be writing this down?" I think everyone is ready for a break this time of the year!