negative aspects of social networks and online relations in adolescent students with emphasis in cyber bulling

bullying is a kind of peers’ altercation which usually occurs in schools. it seems to be a universal phenomenon that can be observed almost in all classrooms. since the expansion of information and communication technologies, there have been social concerns related to negative effects of these networks, especially in adolescents. in this paper which documentary methodology by referring to executed researches is used, we investigate to find answers to the following questions. what is cyber bullying? what are its differences and resemblances with offline or traditional bullying? what are the consequences for its victims? what are the characteristics of bullies and victims? how common is the cyber bulling and what are its consequences? results reveal that in cyber bullying despite traditional bullying, there are possibilities to physically separate bully and victim. by misusing internet, they stay anonymous and believe there is a little chance to be traced. committing suicide, eating disorders, escaping from home, depression, expelling from school and aggressive behaviors in adulthood are some consequences of being bulled. in conclusion traditional and cyber bulling have close relation and in many cases bullying is started in school or community and expanded in virtual spaces.keywords: social networks, online relation, cyber bulling