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高中生物教师要使课堂教学的效果达到新课程标准所规定的教学目标,同时使学生的个性得到充分发展,就必须设法提高课堂教学的有效性。那么究竟如何构建和谐课堂,提高课堂教学有效性呢?一、构建概念模型,突破教学难点概念模型是以抽象思维方法构建的模型,是人们抽象出生物原型某方面的本质属性而构思出来的。建构概念模型一方面可以使学生理解相关概念,另一方面有利于培养学生的归纳、概括、语言表述能力。血糖平衡的调节是一
In order to make the effect of classroom teaching meet the teaching goals stipulated in the new curriculum standard and make the students’ personality fully developed, the high school biology teacher must try to improve the effectiveness of classroom teaching. So how to build a harmonious classroom and improve the effectiveness of classroom teaching? First, the construction of conceptual models, breaking the difficult teaching concept model is a model constructed by abstract thinking method, which is conceived by people abstracting the essential attributes of certain aspects of the biological prototype. On the one hand, constructing the conceptual model can make students understand the related concepts, on the other hand, it is helpful to develop the students’ induction, summarization and language expression ability. The regulation of blood sugar balance is one