Inside the Flipped Classroom

Inside the Flipped Classroom 1

Ben Sklar for the Chronicle

Rather than lecture, Maha Zewail-Foote (left), a chemistry professor at Southwestern U., works with students, including Sara Infante, during class time.

Sara Infante listens intently and scribbles notes as her chemistry professor describes how to identify the masses and atomic numbers of two isotopes of carbon. When it's time to fill in a table showing that she understands the lecture so far, she clicks her mouse, and the lecture, which is being delivered online, freezes on the computer screen.

The questions that Ms. Infante and her classmates at Southwestern University ask their professor, Maha