4KMOV (mjpeg) - 1425.9 MB
college professor helping students
Dolly professor talking to student
professor helping male student
Three college students with professor
Professor explaining pills solubility tester work to the students
Chemistry student in lab. Young chemical scientist working with chemical liquid. Chemistry woman student pouring chemical reagents in glass flask. Scientist student studying chemical reaction
Student Girl Explains How to Use Gadget to Professor, Give Advice About Using New Technologies to Old School School Professor
Male professor sketching on a whiteboard to explain the topic. Many attentive university students listening to a lecturer in a classroom.
Handheld shot of friendly male professor standing at blackboard and explaining equations written on it, then turning to students and asking questions
Young woman drinking from a togo coffee cup in a college classroom during a chemistry lecture with a male professor getting student participation
Male science professor tells two students talking to be quiet during his chemistry class
Professor using a chalkboard to teach a science chemistry class, asking questions and pointing to have a student answer
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