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在本课中,教学目的是为了让学生清楚地了解确定事件与不确定事件以及在实验中学会观察实验现象,归纳实验结论等等。因此,在课堂教学开始,做了以下的引入:一、引入判断下列语句的正确性,并说明为什么。1.太阳从东方升起。2.1+1≠2。3.掷一个有着1~6六个数字的色子,当它落下后旋转,停止旋转时一定是“6”朝上。因为学生对于确定事件和不确定事件还不了解,如果此时直
In this lesson, the purpose of teaching is to provide students with a clear understanding of certain events and uncertain events, and to learn how to observe experiments in experiments and to summarize experimental conclusions. Therefore, the beginning of the classroom teaching, made the following introduction: First, the introduction of the following statements to determine the correctness and explain why. The sun rises from the east 2.1 + 1 ≠ 2.3. Throw a dice with 1 to 6 six digits, rotate when it falls, and must be “6” up when it stops. Because students do not understand the events and uncertain events, if at this time straight