Ключевые слова: biology, blackboard, chalkboard, chemical, chemist, chemistry, child, class, classroom, clever, curiosity, discovery, education, elementary, experiment, expertise, expression, finger, flask, future, genius, girl, grow, idea, imagination, innovation, intelligence, kid, knowledge, lab, lab coat, laboratory, learning, lesson, nerd, preschool, primary, pupil, research, school, schoolchild, schoolkid, science, scientific, scientist, smile, student, study, test, test tube,