Lecture
Videos
A lecture is an oral presentation intended to present information or teach people about a particular subject, for example by a university or college teacher. Lectures are used to convey critical infor
Lecture at the Australian Defence Force Academy
A lecture at the University of Bologna in Italy in the mid-fourteenth century. The lecturer reads from a text on the lectern while students in the back sleep.
Barbara McClintock delivers her Nobel lecture
Golan Levin lecturing using a projected slide
Teacher
Videos
A teacher, also called a schoolteacher or formally an educator, is a person who helps students to acquire knowledge, competence, or virtue, via the practice of teaching.
Lecture
…reading') is an oral presentation intended to present information or teach people about a particular subject, for example by a university or college teacher. Lectures are used to convey critical information, history, background, theories, and equations. A politician's speech, a minister's sermon, or even a…
A teacher surrounded by students in a classroom at a public high school in North Carolina
A teacher of a Latin school and two students, 1487
A teacher in a classroom at a secondary school in Pendembu, Sierra Leone
A teacher interacts with older students at a school in New Zealand.