初中物理习题中有部分是实验类习题,如果仅靠老师讲解或由学生独立思考完成,由于受知识水平和分析能力的限制,这类习题学生是很难掌握的;但如果避开复杂而一一的讲解,通过实验把这些实验习题演示一下,让学生盲接看到结果,这样既节省了时间,又能提 Some of the physics exercises in junior high school are experimental exercises. If you rely on teachers alone or students think independently to complete, due to the limitations of the level of knowledge and analytical skills, these kinds of exercises are difficult for students to master; but if you avoid the complex one One of the explanations, through the experiment to demonstrate these experimental exercises, so that students blindly see the results, which saves time and can mention