Ключевые слова: african, african american, american, black, book, boy, business, caucasian, child, childhood, children, class, classroom, college, computer, concept, desk, education, elementary, elementary student, explaining, female, girl, kid, knowledge, learn, learning, lesson, little, male, man, medium group of people, mixedrace, multiracial, people, research, school, science, skeleton, stem, student, study, studying, teacher, teaching, technology, unaltered, university, young, young adult, young male,