Ключевые слова: alone, biology, biotechnology, caucasian, chemical, chemist, chemistry, child, childhood, class, cognition, concentration, dish, doing, education, elementary, equipment, experiments, female, flask, fun, girl, home, indoor, intelligence, international, laboratory, learning, lesson, liquid, little, pipette, preschool, prodigy, project, pupil, reaction, research, school, schoolgirl, schoolkid, science, scientific, scientist, smart, study, test, tube, upbringing, white background,