This spring, as schools grappled with sudden closures due to the COVID-19 pandemic, the phrase "building the plane as we fly it" was no exaggeration. Practically overnight, schools had to figure out an entirely different modality of instruction. And though the 2019-20 school year is finished, it is looking like new challenges are likely…

As the use of project-based learning becomes more frequent in the K-12 science classroom, and in chemistry classrooms in particular, teachers have begun to identify practical questions about implementation that should be addressed empirically. One such question concerns whether there is an ideal group size that fosters individual student…