The Actual Condition on the Weight Conception of Lower Secondary School Students

Abstract

The most important things in science education is the formation of elementary conception on natural science. One of the basic concepts on the matter is the real recognition on Weight. The author made some presentation on Weight to lower secondary school students, and investigated into the actual condition on their conception of Weight. The investigation had been made at the revising period of Course of Study, then the author could examined the influence of the revision on Weight conception of lower secondary school students. The folloowings are main findings as a result. 1) On the conception of the constancy of Weight, the percentage of the correct answer is different in case by case, and the conception is formed by a pile of experiences. 2) The students are captured by a fixed idea, and carried away by a sense, and impressed on their one hand, on the problems which can be understood by a theoretical explanation. 3) The considerable number of the students confused Weight and density, cannot understand buoyancy, and some of them make mistake that a floating body dose not conduct Weight to the lower pars. 4) The number of the students who are getting the conception of the constancy of Weight, are increasing remarkably after the revision of Course of Study by the ministry of education.