Ключевые слова: afraid, alchemist, analysis, beaker, biology, black, chemical, chemist, chemistry, coat, crazy, discovery, doctor, education, equipment, experiment, exploded, explosion, face, flask, formula, frightened, funny, glass, glasses, goggles, humor, humorous, inventor, lab, laboratory, mad, man, medical, medicine, microscope, mixture, professor, reaction, research, scared, science, scientific, scientist, shock, shocked, study, substance, test, tube,