The education system in Turkey has responded promptly to the need for environmental education (EE). However, the existing lack of relevant research may limit the functionality of EE programs in Turkey. In this study, the goal was to develop an environmental conscious database that would allow effective planning of EE. Specifically, the study was conducted to provide information on the environmental knowledge of primary education in a city of Turkey. Standard of living and environmental knowledge of persons are more important factors that effected for occur of conscious of environment. Therefore, the research must investigate the level of environment knowledge of people according to their living environment and standard. Our study purpose was to determine environmental knowledge level of primary students in Turkey and it was planned to help develop a baseline database that would allow effective planning of Environmental Education for primary education in Turkey. In this research, a case study approach was used, and data gathered with the help of survey method. The research surveyed 524 sixth, seventh and eight-grade students in six schools in the city center, town and village of Trabzon. The results showed that environmental factors are effect children's environmental knowledge level. It is understood that if children are provided with richer environmental and learning material in their live, it would enhance children's environmental knowledge. It must be added some issues as natural environment, basis of life, source of energy, structure of human, pollution of environment to the existing aspects developed in science curriculum at primary level.