Abstract
In the article, the author explored that teenagers differ from adults in that it differs not only in older adults but also in biological development (puberty, etc.). In general, teenagers have different characters. In fact, some teenagers are kind and courteous in dealing with older people during this period, and at times they are more arrogant, that is, more disciplined. This is especially true for students in grades 7, 8 and 9. Teenagers realize that they are no longer children, but are no longer adults. Imitating adults, repeating their behavior, others indulge in harmful habits. Teenagers do not like wisdom. After all, they feel smart. They are against their parents 'warnings, their parents' counsel and their advice and ideas. Teenagers start to grow up, especially when the girls are mature. They pretend to neglect of their short classmates, and as a result, they pay more attention to high school peers. In this regard, the author proposes innovative teaching methods for students in grades 5 through 9.