摘要：Today's sensibility toward to environmental issues gradually is increase, specially global warming and sera gases are prominent matters. In the press and media the effects of sera gases and global warming take place in large. It is known that global warming is included some physical, chemical and biological events, so it makes difficult understanding of subject. Although syllabus of High Schools gives a large place for global warming, it is known that there is some problematic issues which easily could lead to misconceptions. A questionnaire previously developed by Boyes et al. (1993) has been applied to totally 30 biology teacher candidates. It has been researched by questionnaire students’ basic knowledge about sera gases and its possible effect into environment. Also their individual attitudes against environmental issues were investigated. According to results fossils fuels and CO2 production were predominant causes which responsible for sera effect and global warming. Also they claimed that nuclear energy was the effecting factor for global warming. It was has been detected that students were not very conscious of basic ecological events such as matter cycle and environmental changes such as unforestration into ecosystem.
