BHUBANESWAR: Around 60 schoolteachers from across the State on Sunday sat for hours, for a change, as students. Dr Partha Goswami, Associate Professor from Delhi University, and Dr R D Shukla, former Dean of NCERT, took a class on how to teach physics and chemistry through various methods. The workshop was organised at the DAV School, Pokhariput, on Sunday. Both the professors focused on the methods to teach the subjects in the changing times to create more interest among the students. Teachers from 30 different schools attended the workshop organised by publication house Ratna Sagar, New Delhi.