Ключевые слова: africa, asia, atlas, attentive, australia, blackboard, chalk, country, discovery, dream, ecology, education, environment, equator, ethnicity, eurasia, first class, geography, globe, idea, interest, knowledge, landmark, latitude, layout, longitude, map, mineral resources, north america, ocean, population, school, science, sea, sky, south america, space, student, success, travel, tutorial, world,