The main aim of the research was to identify the attitude of pre-service and in-service Biology teachers towards the use of the Internet. In this research, the Internet Attitude Scale has been applied, a validated and standardized instrument. The scale was applied to 210 Biology teachers, of whom 155 are pre-service teachers and 55 are in-service teachers in secondary and high schools from Romanian education. The research results indicated the existence of positive attitudes of preservice and in-service Biology teachers to the educational use of the Internet. [For the full proceedings, see ED619611.]