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演示实验是理化教学中的一种重要教学手段,它能使教学直观化和形象化,通过生动的直观的演示、引发抽象的思维。实验教学还是培养学生观察、探索能力的一种重要手段。笔者就如何做好初中理化演示实验教学谈一些体会。 1 课前准备是演示实验成功的保证 1.从备课入手。理化教师除认真地钻研教材、把握教学内容、弄懂弄通实验教学目的要求等常规准备外,还要预测学生可能提出和
Demonstration experiment is an important teaching method in physical and chemical teaching. It can make the teaching visualized and visualized. It can lead to abstract thinking through vivid and intuitive demonstration. Experimental teaching is also an important means to cultivate students’ ability to observe and explore. The author talks about how to do a good job in junior high school physics and chemistry demonstration experiment teaching. 1 Pre-class preparation is a guarantee for demonstrating the success of the experiment 1. Start with lesson preparation. In addition to seriously studying the teaching materials, grasping the teaching content, and understanding the purpose of the experimental teaching, the physical and chemical teachers should also predict that the students may propose and