“…The topic domain of electrical engineering was chosen since engineering instruction is becoming increasingly important for K-12 students (Brophy, Klein, Portsmore, & Rogers, 2008;Carr, Bennet, & Strobel, 2012;Reisslein, et al, 2013) specifically, for a given circuit example, the simulation session first introduced the given circuit and then calculated the missing circuit quantity using Ohm's Law equation. Subsequently, the simulation session explained how to obtain the missing circuit quantity using the Cartesian graph, and finally related the result found in the Cartesian graph back to the result found with Ohm's Law equation and the given circuit.…”