On May 21, an annular solar eclipse was visible in many areas of the country.In this research, the teaching materials of a solar eclipse were developed cooperated with Nagoya City Science Museum, and it lectured to eight-place ten lectures, and about 300 children. In these lectures, teaching materials for tablet computers were developed and used. In the questionnaire result, because evaluation of "understanding" "interest" was high, the validity of this research became clear.
