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针对学生学习电学困难,本文通过对灯泡采用放缩探讨的实例,让学生掌握电学的相关知识,增强学生学习电学的效果,达到增效的目的,也能减轻学生学习电学的负担.放缩法教与学的作用有两大方面.1.提高课堂与课后教与学的高效性,学生在教师的引导下,由最初的用被动放缩法学习知识,发展成自发地有意识地用放缩法去建立知识构架.发挥学生自主开发知识点并能发散为一个知识球
In view of the students ’difficulty in learning electrical, this paper explores the practical application of light bulbs by letting students grasp the related knowledge of electricity, enhance the students’ learning the effect of electricity, and achieve the purpose of increasing efficiency, and also reduce the burden on students in learning electricity. The role of teaching and learning has two aspects: 1. To improve the efficiency of classroom and after-school teaching and learning, under the guidance of teachers, students develop their knowledge of passive contraction and contraction to be used spontaneously and consciously Narrative method to establish knowledge structure. Play students to develop knowledge points and can diverge as a knowledge ball