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物理是一门以实验为基础的自然学科,任何一个物理概念的建立,物理现象、规律、定律的发现都离不开实验．那么初中物理课本中有多少个实验?可归纳为几大类型?又如何搞好实验课教学呢?初中物理实验多达187个,我把它们归为四大类：(1)演示实验；(2)分组实验；(3)课内小实验；(4)课外实验．就如何针对这四个方面的实验．谈谈一些自己的做法．
Physics is a natural science based on experiments. The establishment of any physical concept, the discovery of physical phenomena, laws, and laws cannot be separated from experiments. So how many experiments in junior high school physics textbooks can be summarized into several major types? How to do a good job in experimental teaching? There are as many as 187 junior high school physics experiments. I classify them into four categories: (1) demonstration experiments; 2) grouping experiment; (3) small experiment in class; (4) extracurricular experiment. How to target these four aspects of the experiment. Talk about some of your own practices.