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结合教学实践,教师通过问题探究的方式组织教学活动可以实现有效教学。这不仅以生为本,还激发了学生的学习兴趣。一、未雨绸缪,发现问题课程能否成功,一定程度上取决于教师的课前准备。为使学习活动顺利展开,教师应未雨绸缪,仔细考虑活动细节。例如,在教学《食物的消化》一课前,我按照实验要求准备了实验器材:淀粉(面粉)、滴管、清水、碘酒以及2支试管、1个盛有温水的烧杯。在实验中,我分别向两支试管里倒入少量稀淀粉液,
Combining with teaching practice, teachers can effectively teach by organizing teaching activities through questioning. This not only students-oriented, but also inspired the students interest in learning. First, take precautions and found that the success of the problem course, to a certain extent, depends on the teacher’s preparation before class. To make learning activities smoothly, teachers should take precautions, carefully consider the details of the event. For example, before teaching “Digestion of Food”, I prepared experimental equipment according to the experimental requirements: starch (flour), eyedropper, water, iodine and two test tubes and a beaker containing warm water. In the experiment, I poured a small amount of diluted starch solution into two test tubes respectively,