Ключевые слова: beakers, biology, boy, chemical, chemistry, child, childhood, children, class, classmates, classroom, creative, cylinders, discovery, education, enjoyment, experiment, female, friends, friendship, funny, girl, glassware, goggle, group, happiness, happy, kid, knowledge, lab, laboratory, learn, lesson, microscope, people, research, researcher, school, science, scientific, scientist, students, study, teacher, teaching, test, together, watch, young, youth,