Graphs illustrating complex scientific relationships require students to integrate multiple concepts and visual features into a coherent understanding. We investigate ways to support students in integrating their understanding of density concepts through a graph that is linked to a simulation depicting the relationship between mass, volume, and…

With state content standards always looming in the background, history teachers express concern about "covering the curriculum." And, many history teachers say they have to abandon teaching the "fun stuff" in order to teach state-mandated content. While teaching challenges do entail practical considerations, this article argues…