中学校技術・家庭科技術分野の「水産生物の栽培」におけるキンギョ（三尾和金）を用いた題材の開発<教育科学>

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Abstract

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The “cultivation of aquatic organisms” topic from the “nurturing living things” subject of the “technology and home economics” course has very little teaching materials available. This is because its systematic study guidance method has been not considered in detail. Hence, this study aimed to develop the teaching materials for the above-mentioned topic by focusing on goldfish (Garassius auratus) cultivation. To effectively develop the teaching materials, we actually cultivated goldfish and devised a method for developing fisheries in high school. We further interviewed a specialist in the field and evaluated the problems involved in cultivating goldfish and the educational effects that this cultivation has on students. On the one hand, goldfish cultivation as teaching material showed the following advantages based on the physiological and ecological characteristics of goldfish: (1) they are easy to handle, (2) they have high resistance to diseases, and (3) feeding them immediately after they hatch directly influences their survival rate. On the other hand, the following disadvantages were revealed: (1) lack of clear criteria to evaluate the gold fish based on appearance and (2) managing the goldfish during summer vacation as students are away from school during this time. Further, the teaching material also evaluated the effect of different cultivation densities on the individual size and body color of the goldfish.

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