Ключевые слова: academic, back, backpack, beaker, blackboard, boy, cabinet, cartoon, chemical, chemist, chemistry, children, classmate, classroom, college, education, equipment, experiment, flask, girl, glass, glassware, happy, illustration, interior, kid, knowledge, lab, laboratory, landing, mathematics, page, performance, research, room, school, schoolbag, science, scientific, scientist, september, student, studying, test, tube, university, wearing, workshop, year,