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一、创设情境导入新课1.创设问题情境在新课教学时老师可引导学生对生活中的一些现象进行分析,大胆进行猜想假设并提出问题,激发学生的思维,导入新课。如在学习“声音的产生与传播”时,通过多媒体播放悠扬的琴声、优美的歌声、海浪声、嘈杂的飞机轰鸣声、蝉鸣声等等,引导学生提出问题导入新课:声音是怎样产生的?又是怎样传播的?为什么有的声音让人心旷神怡,而有的声音让人心烦意乱?大千世界为什么会有如此丰富多彩、千差万别的声音呢?为了弄清这些问题,今天我们就来学习《声音的发生和传播》。这样带着问题进入新课学习,学生听课目标明确,兴趣浓,自然听课注
First, the creation of context into the new lesson 1. Create a problem situation in the new lesson teaching teachers can guide students to analyze some of the phenomena in life, bold guess assumptions and raise questions to stimulate students’ thinking, into a new lesson. If you are learning “Generation and Spread of Sound”, you can guide students to ask questions and import new lessons through multimedia: melodious melodies, graceful singing sounds, surf sounds, noisy aircraft roar, cicadas, etc. Why did it happen? How did it spread? Why did some of the voices make people feel relaxed and happy, while others were distracted by the voices? Why did the world have such a rich and colorful voice? In order to understand these problems, today We will learn “the occurrence and spread of sound.” This problem with the new class to learn, students clear objectives, concentration, natural listening class notes