In this study, science teachers' perception and attitude toward nanotechnology are examined through questionnaires gathered from 134 secondary science teachers. As a result, the study shows that science teachers have high perceptiveness. However, they do not understand specific information on nanotechnology correctly. Science teachers have positive attitudes toward nanotechnology and they have perceived risks of nanotechnology as well as benefits of nanotechnology. Science teachers show

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... attitudes toward the application of nanotechnology, whereas they show negative attitudes toward personal information chip and nano-taste enhancer. Science teachers are exposed to nanotechnology via various sources such as TV and internet, whereas teachers rarely get information on nanotechnology-related concepts in textbooks and teaching resources. Science teachers have perceived many textbooks do not introduce enough nanotechnology-related concepts. Many teachers try to explain the nanotechnology when textbooks include nanotechnology-related concepts, whereas quite a few of teachers do not introduce the nanotechnology-related concepts in class. 서론 나노기술은 유비쿼터스 사회의 완전한 실현, 고효율의 자원 활용시스템 및 친환경기술 구현 등과 같이 기술개발 에 대한 기대가 매우 크며, 경제적 영향 또한 매우 높게 평 가받고 있다. 나노기술관련 세계시장은 향후 10년 이내에 급성장할 것이라 전망되고 있는데, 향후 10년 안에 나노관 련 사업의 세계시장 규모가 수조 달러 규모로 급성장할 것 으로 예측하고 있다. 그 예로 Lux Research 회사에서는 2014년에 나노기술 시장규모가 전체 제조업산업의 15% 까지 성장하여 2조 6천억 달러 규모에 이를 것으로 전망하 였다.