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“黄河的治理”是八年级《地理》(人教版·上册)第二章《中国的自然环境》第三节“河流与湖泊”的第二课时教学内容,由黄河的概况、忧患和治理三部分组成。本节课既是学习前面“气候知识”的延伸,又是为后面学习“水资源知识和黄土高原知识”做铺垫,具有承上启下的作用。“黄河各河段的环境问题及黄河的治理措施”是本节课的难点,本文将结合具体实例说说笔者是如何突破这一知识点的。师展示相关黄河的景观图片或视频资料,让学生说说对黄河水的第一印象。生河水为黄色,含沙量大等。
“Yellow River governance ” is the eighth grade “geography” (PEP) the second chapter “China’s natural environment” section third “rivers and lakes ” the second class teaching content, from the general situation of the Yellow River , Worry and governance of three parts. This lesson is not only an extension of “climate knowledge” in front of learning, but also paved the way for learning “knowledge of water resources and knowledge of the Loess Plateau”. “Environmental Problems in Each Reach of the Yellow River and the Yellow River Measures ” is the difficulty of this lesson. This article will combine specific examples to explain how the author breaks through this point of knowledge. Show the Yellow River landscape pictures or video information, let students talk about the first impression of the Yellow River water. Raw water is yellow, sandy and other large.