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为什么要做演示实验?有人认为演示是为了引起学生兴趣,活跃课堂气氛,有了现成的仪器就做一下,没有仪器就不做,把演示当成教学中可有可无的点缀。之所以有这种情况发生,主要是对演示实验的意义理解不全面。1 演示实验的作用
Why do demonstration experiments? Some people think that the demonstration is to arouse the interest of students and stimulate the atmosphere of the classroom. With ready-made instruments, you can do it. If you don’t have the instrument, you will not do it. The demonstration is a dispensable embellishment in teaching. The reason why this happens is that the meaning of the demonstration experiment is not fully understood. 1 Demonstrate the role of the experiment