Ключевые слова: ability, bottle, boys, chemical, chemistry, children, class, close up, club, contemporary, curriculum, daytime, development, discovery, education, educational, engaged, equipment, exited, experiment, flask, fun, genius, glass, happy, indoors, intelligent, interest, joyful, kids, knowledge, lab, laboratory, learning, leisure, lesson, meeting, millennial, modern, pupil, reagents, research, school, science, scientific, skills, study, teenager, training,