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笔者所在的学校是一所典型的民族中学,少数民族学生占全校学生的90%以上,学生的化学基础相对薄弱。要想提高教学的效果,笔者认为,教师在教学中应做好“三思”。一、课前缜密思考:使教学更有针对性课前缜密的思考有利于教师把课堂问题考虑得更加周详,上起课来更有针对性。教材内容虽然不多,但通过课前充分准备,就会有说不完的话题。例如人教版《化学·必修1》“化学计量在实验中的应用”一节的第一部分:“物质的量的单
The author’s school is a typical ethnic middle school, ethnic minority students accounted for more than 90% of the school’s students, the chemical basis of students is relatively weak. In order to improve the teaching effect, I believe that teachers should do a good job in teaching ”think twice.“ First, careful thinking before class: to make teaching more targeted Thinking carefully before class is conducive to teachers to consider the issue of the classroom more thoroughly, from the class to be more targeted. Although the content of teaching materials is small, but through full preparation before class, there will be endless topics. For example, PEP ”Chemistry Compulsory 1“ ”The application of stoichiometry in the experiment“ The first part of the section: ”The amount of material