How do people use objects and gestures to shape scientific argumentation? This paper engages the concept of "entanglement" as a heuristic for considering the potentials and constraints that gestures and materials create for interactants. Drawing on video recorded data from an academic-year-long linguistic ethnography of a high school…

The study of participation from a socio-interactional perspective relates to the exploration of the interactional practices displayed by interactants and the close examination of the multimodal resources they employ. Here we observe the language choices made by 2 teachers and 10 students who participate in a "WhatsApp" chat over the…