Ключевые слова: analysis, analyzing, biology, biotechnology, chemistry, childhood, class, classroom, concentration, discovery, dropper, education, elementary, examining, experiment, glasses, goggles, green, growth, herb, hobby, homework, idea, intelligence, kid, knowledge, lab, laboratory, leaf, learning, liquid, medicine, microbiology, microscope, occupation, practicing, reaction, report, research, school, science, scientific, scientist, skill, smart, student, study, teaching, test, tube,