Ключевые слова: assignment, biology, biology cell, biology class, chemistry, class, classmate, classroom, cognition, college, concentration, education, equipment, examining, experiment, girl, group, guy, high, high school, high school students, highschool, knowledge, lab, laboratory, learn, learning, looking, microscope, particle, people, practical, pupil, school, schoolgirl, science, secondary, student, study, studying, teen, teenage, teenager, test, university, watching, woman, young,