Research On The Effectiveness Of Lead-in In Senior High School Chemistry Class

Currently, the teaching of chemistry still exist certain contradictions between teaching effect and the time. Chemistry class is the chief Position where high school students study Chemistry, the main organization of chemistry teaching is classroom teaching, effective teaching is particularly important, lead-in skills play a very important part in chemistry teaching in senior high school. Some chemistry teachers think lead-in wastes so much time that they often want to go straight into the topic as soon as the class begins, or long-term use one lead-in method(review). teachers ignored the effective lead-in can create a good atmosphere in the classroom and can expand their thinking, engage students construction of knowledge in active, so as to achieve effective teaching.In this thesis, literature review, content analysis, questionnaire explore the status of high school chemistry class, and how to effectively use lead-in in high school chemistry class, students actively access to the necessary knowledge in their own development, change ineffective phenomenon of chemistry teaching.In this paper, the study concludes that:The wonderful lead-in is one of the guarantees to achieve effective teaching in chemistry class. Lead-in in high school chemistry class can improve student interest and enthusiasm in learning. Statement on implementation of the lead-in of chemical class, summarize the lead-in methods used of high school chemistry class, the effectiveness of the national high school chemistry class competition were analyzed, some teaching suggestions were put forward. Summed up how flexible apply wonderful lead-in into the classroom teaching. So that students are active in learning in a pleasant atmosphere, so as to achieve effective teaching.