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小学常识《日食和月食》一课,要求指导学生认识日食和月食的成因,培养学生运用实验方法认识事物的能力和探索宇宙奥秘的兴趣。在教学中,如何组合各种教学媒体,将直接影响到学生的学习效果。我是这样设计教学的: 一、导入新课,激发兴趣。为更好地达到教学目标,我选用了视听结合,形声色同步的录像,让学生观察日食和月食的过程,有效地激发学生的兴趣和求知欲望。然后,投影映出月食时最神奇的一刻的图景。这样安排,利用了电视录像表现动态画面的独特优
Primary School Common Sense “Eclipse and Lunar Eclipse” requires students to be guided by the causes of solar eclipse and lunar eclipse, to develop students’ abilities to use the experimental method to understand things and to explore the mysteries of the universe. In teaching, how to combine a variety of teaching media, will directly affect the learning outcomes of students. I design teaching this way: First, the introduction of new lessons to stimulate interest. In order to better achieve the teaching objectives, I used a combination of audiovisual and audiovisual recordings to enable students to observe the process of solar eclipse and eclipse to effectively stimulate students’ interest and desire for knowledge. Then, the projection reflects the most magical moments of the eclipse. This arrangement takes advantage of the unique superiority of a video recording of dynamic pictures