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一个好的课堂导入,可以起到吸引学生注意,调动学生兴趣的目的。做好课堂导入,可从以下几方面入手。1.利用实验导入新课。例如在教学“杠杆”这一教学内容时,我这样导入:讲桌上放一只大大的玻璃熊,一只不大的玻璃小白兔,还有一个小的跷跷板。小熊和小白兔材质相同,但大小差别很大。这时,我说:“有一天,小熊和小白兔相约去玩跷跷板。大家想一想,在玩跷跷板时,可能会出现什么情况?”学生们说:“小熊的一边一定在下方。”于是,我开始了实验,一开始,果然如同学们所料,接着,我不断地把跷跷板的支点移向小
A good class to import, can play to attract students’ attention, to mobilize the interest of students. Good classroom introduction, from the following aspects. 1. Use experiment to import new class. For example, in teaching “Leverage”, I introduced this: Put a large glass bear on the table, a small glass rabbit, and a small seesaw. Bear and rabbit the same material, but the size varies widely. At this moment, I said: “One day, the Cubs and the White Rabbits meet to play the seesaw.We think about what might happen when playing the seesaw.” “The students said:” The side of the bear must be Below. "So I started the experiment, at first, as expected, and then, I continue to move the fulcrum of the seesaw to the small