Ключевые слова: asian, beaker, chemical, chemistry, child, class, classroom, colorful, concept, desk, discovery, education, equipment, experiment, female, girl, glasses, happy, indoor, intelligent, kid, knowledge, lab, laboratory, learning, liquid, male, man, microscope, people, person, primary, professor, pupil, research, room, school, science, scientific, scientist, smart, smile, student, study, studying, teacher, technology, teenage, test, tube, white, woman,