Abstract
In this research, we investigated developmental process of the consciousness of children to lake BIWA thorough environmental learning program named “Uminoko”, using the free association test. It was seemed tendency that children expand their recognition to natural environment through “Uminoko”, by one side they become to small their recognition to daily environment. And it also became clear that their living environment and the degree of environmental study fullness have affected their recognition to environment. On the basis of those results, we proposed effective environmental learning program that learns by experience.