Ключевые слова: applause, chair, cheerful, cheering, chemist, chemistry, child, children, clapping, classroom, crowd, education, event, excited, experiment, fun, girl, group, happiness, happy, innovation, joy, kid, kids, knowledge, lab, laboratory, learning, little, people, positive, research, school, science, scientist, smile, student, students, study, studying, success, support, surprise, teaching, test, together, unity, working, young, youth,