Ключевые слова: app, application, beaker, boy, chemical, chemist, chemistry, child, childhood, class, computer, concept, connection, discovery, education, elementary, flask, girl, group, happy, indoors, internet, junior, kid, knowledge, lab, laboratory, learning, online, pc, people, preteen, primary, pupil, research, school, schoolboy, schoolgirl, science, scientific, stem, student, study, studying, tablet, technology, test, tube, young,