Ключевые слова: 810 years, adult, attentive, beaming, bearded, boys, cheerful mood, childhood, children, classroom, concentrated, curious, earth protection, eco lesson, ecological issues, ecology lesson, ecoproject, educating program, elementary age, energy saving, enthusiastic, exam, eyeglasses, game, hardworking, help, igen, indoors, intelligent, interested, involved, kids, learn, man, observe, playing, positive, premises, profession, pupils, room, school, separated, smart, smiling, teacher, trash sorting, tutor, wind power plants,