When the educational curriculum that was established and proclaimed by the Ministry of Education in fact apply on the spot of education, to estimate that the intended objectives is being achieved and what should be improved by all means needs for the revise of a educational curriculum and the improvement of a instruction-study process. Here upon, I will try to carry out a part of research about the actual condition for the applience of a educational curriculum by analysis of the relation between the educational objectives and the achievement in the Geology unit of current high school science text book I (1988).