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我教第五册《月相形成》采用课内外结合的方式,收到了很好的效果。月相的变化,儿童知其然而不知其所以然。研究月相的变化是怎么形成的,是否有规律,无疑能引起儿童浓厚的学习兴趣。然而,月相变化是月亮、地球周期运动造成的。只有对月相变化的周期现象有了完整的了解,再进行想象、分析、逻辑推理、模拟实验等,才有可能真正认识这一自然现象。我在教学中采取了两步走的方法。
I teach the fifth book “moon phase formation” using a combination of methods inside and outside, received very good results. Changes in the moon phase, children know however, but I do not know why. Study of the moon phase changes is how to form, whether there is law, no doubt can cause children's strong interest in learning. However, the moon phase change is caused by the moon and the earth's periodic movement. Only when we have a complete understanding of the periodic phenomenon of moon phase changes can we truly understand this natural phenomenon after imagining, analyzing, logical reasoning and simulating experiments. I took a two-step approach to teaching.