School Students Before Science And Misconceptions (mechanical Part)

This essay mainly deals with how to help junior and senior school students overcome their difficulties in their mechanic learning ,as they have many pre-science conceptions and mistaken cognitions .Guided by the educational psychology, we may try testing the students such ideas by diagnosis.So we can know the basical contents of the students pre-science conceptions and mistaken cognitions by comparing and analysing the testing results of junior Grade Two and Three, Senior Grade One and Two .The sources and characteristics of such ideas are summ arized .Some ways of how to correct the mistaken cognitions are also presented .At the same time, it points out that pre-science conceptions are the students' spiritual wealth ,Teachers must change senses about this,value the students' ideas and be instructions, helpers and promoters in correcting the students' such mistaken conceptions .