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不同的教学媒体,其特点和功效各不相同,多种教学媒体的优化组合,能更好地调动学生的多种感官,让学生进入学习最佳状态。教师在教学中必须对教材的内容有较深的理解和把握,对学生要有充分的信赖,再根据需要选择教学媒体,才能达到理想的教学效果。现对小学自然《岩石的风化》一课多种教学媒体的优化组合作初步探索。一、利用多媒体能缩短时空,展现事物的变化过程的特性,把学生从课堂引向自然界。地球表面的运动变化是普遍的、缓慢的,经历的时间是漫长的,再加上学生受不同生活环境的限制以及不同兴趣、
Different teaching media have different characteristics and effects, and the optimal combination of various teaching media can better mobilize the multiple senses of students so that students can enter the best learning state. Teachers in teaching must have a deeper understanding of the contents of the textbooks and grasp of the students have full trust, and then select the teaching media, in order to achieve the desired effect of teaching. Now the primary natural “weathering” a class of teaching media optimization group for a preliminary exploration. First, the use of multimedia can shorten the time and space, showing the process of changing the characteristics of things, the students lead from the classroom to the natural world. Changes in the surface of the Earth's movement is common, slow, experienced a long time, coupled with the students subject to different living environments and different interests,