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自然科学教学要让学生在课堂中认识自然界诸多事物、现象及其相互关系,由于受时空限制,课堂教学有其自身的局限性。而电教媒体信息量大,集声音、文字、图像于一体,在科学教学中恰当运用多媒体手段,能激发学生的学习兴趣,丰富教学内容,化解教学重难点,使学生在图、文、声并茂的情境之中更加形象地接受知识,提高了教学效率,收到了事半功倍的教学效果。那么,小学科学课堂上如何把握多媒体使用的时机,以培养和发展学生的素质呢?
In the course of natural science teaching, students should recognize many things, phenomena and their relations in the nature of the world. Because of the limitations of time and space, classroom teaching has its own limitations. Audio-visual media, large amount of information, sound, text, images in one, the proper use of multimedia teaching in science, students can stimulate interest in learning, enrich teaching content, resolve teaching difficult, so that students in the picture, Of the situation more vividly accept knowledge, improve teaching efficiency, received a multiplier effect of teaching. So, primary school science classroom how to grasp the timing of the use of multimedia in order to develop and develop the quality of students?