一、化“无”为有,巧妙观察 小学生的思维具有较多的具体形象性,他们头脑中有的只是摸得着、看得见、闻得出、觉得到的形象。反之则为“无”。如《风》一节课的教学,学生总认为“风是看不见,摸不着,什么也没有”!为扭转学生这一思维定势,我设计了“看、感、听”三个环节,首先看风的踪迹,让学生到校园观察国旗的飘扬、植物枝叶的摆动,来证实风 First, the “no” for, clever observation pupil thinking has more concrete image, some of their minds just touch, see, smell, feel the image. The opposite is “no”. For example, in the teaching of “Wind”, students always think that “the wind is invisible, touching, and nothing!” In order to reverse the thinking of students, I designed the three stages of “See, Sense and Listen” First of all, look at the traces of the wind, let the students observe the flag flying to the campus, plant foliage swing, to confirm the wind