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生活中有很多的物理现象,学生从一出生就开始接触,久而久之,大脑便形成了对这些现象的感知,即“物理前概念”。这些感知是从表象中形成的,很多没有抓住问题的实质,所以形成的认识往往是表面的,甚至是错误的。为了帮助学生纠正错误前概念,笔者对初中生中常见的错误“前概念”产生原因进行梳理,并给出了相应教学对策,期望能对一线教师有所
There are many physical phenomena in life. Students begin to contact each other as soon as they are born. Over time, the brain will form a perception of these phenomena, that is, the “pre-physical concept.” These perceptions are formed from the appearance. Many do not grasp the essence of the problem, so the formed understanding is often superficial or even wrong. In order to help students to correct the concept of pre-error, the author sort out the common reasons for errors in junior high school students “before the concept ”, and gives the corresponding teaching countermeasures, expecting to be able to have some teachers