Maybe your pupils are doing well in science tests and in examinations. But do they really understand the concepts and principles you teach them? New methods of probing reveal that apparent success often masks gross misunderstanding, on a scale not previously imagined. In two set items, researchers, one at Monash University in Australia and the other at the University of Waikato, New Zealand, describe how the misunderstandings can be revealed, how they come about, and something of what can… Read more