The demand for improving student interest in science has increased efforts toward teaching Einstein's theory of general relativity in schools. Research has already shown that teaching Einsteinian gravity at the secondary level is feasible, however, appropriate resources must be readily available for science teachers to make Einsteinian gravity…

Reports on a case study in which students identify their diverse views on electric current and design a critical test to discriminate amongst those views. Employs a two-part model that differentiates charge from the agent causing it to move. Contains 43 references. (DDR)