Ключевые слова: african, asian, beaker, biology, black, boy, chemistry, class, classroom, concept, education, experiment, glasses, gown, high, indoors, junior, kid, lab, laboratory, learning, lesson, liquid, male, man, microscope, mixed, people, professor, race, research, room, school, science, student, teacher, technology, teen, teenage, teenager, test, tube, tutor, uniform, white,