*Hiroko Miyuki^1,10, Keiichi N Ishihara^2,10, Naoki Yamano^3,10, Toshiharu Miyakawa^4,10, Shigeyuki Haga^5,10, Naoki Nomura^6,10, Hideki Kanazawa^7,10, Nasayuki Harada^8,10, Yoshiyuki Kuwana^8,10, Kiyohiro Ueda^9,10 (1. Workshops and Instructional Strategies in Education, 2. Kyoto Univ., 3. RADONet, 4. Radiation Education Forum, 5. Uchimachi elementary school, 6. Fukui Univ., 7. Tokyo City Univ., 8. Momoyama elem. attached to Kyoto U. of Ed., 9. Otemae Univ., 10. Team EEE)

*Hideki Kanazawa^1,2, Hiroko Miyuki^2,3, Hitoshi Muta¹ (1. Tokyo City Univ., 2. Team EEE, 3. Workshops and Instructional Strategies in Education)

*Sin-ya Hohara¹, Toshiro Matsuda¹ (1. Kindai Univ. Atomic Energy Research Institute)

*Ekou YAGI¹, Tomoki OHASHI², Masaharu KITAMURA³ (1. Osaka Univ., 2. Miyagi Gakuin Women's University, 3. Research Institute for Technology Management Strategy)

*Keiichiro Wakasugi¹, Makoto Akashi² (1. Tokai University, 2. Ryugasaki Public Health Center)

*Yasuhisa Oya¹, Kenji Okuno¹ (1. Shizuoka Univ.)