Ключевые слова: biology, boy, chemist, chemistry, child, childhood, class, concept, discovery, education, elementary, girl, group, hobby, indoors, junior, kid, knowledge, lab, laboratory, learning, lesson, microscope, modern, notebook, people, person, preteen, primary, pupil, research, school, schoolboy, schoolgirl, science, scientific, scientist, stem, student, study, studying, taking notes, teacher, technology, woman, workbook, workshop, writing, young,