Ключевые слова: academic, board, book, books, celebrating, celebration, chemical, chemist, chemistry, class, classroom, college, discovery, doctor, education, enjoying, excited, experiment, experimenting, happy, lab, laboratory, learn, learning, lecture, lecturer, man, pile, reading, research, researcher, sample, school, science, scientific, scientist, solution, student, study, studying, teacher, teaching, test, testing, tube, tubing, university, white, whiteboard, young,