Ключевые слова: academic, ball, balls, board, book, books, class, classroom, clicker, college, cradle, demonstrating, discussing, education, experienced, explaining, learn, learning, lecture, lecturer, lesson, man, meditating, meditation, mentor, mentoring, model, newton, old, pendulum, physicist, physics, pointing, presenting, reading, rocker, school, science, showing, study, studying, teacher, teaching, textbook, training, tutor, tutoring, university, white, whiteboard,