Ключевые слова: biology, caucasian, chemical, chemist, chemistry, child, childhood, concept, cute, education, elementary, elementary school, everything, experiment, female, fun, future, girl, i, intelligence, investigations, kid, know, lab, laboratory, learn, learning, lesson, liquid, liquids, little, medicine, microbiologist, nature, patterns, pupil, pushing, research, school, school education, school girl, schoolgirl, science, scientific, scientist, small, solution, study, test, tube,