在自然教学中，怎样把课堂实验做得引人入胜，达到预期的效果，使学生既观察到明显的实验现象，又得到实验美的享受，在选用教具、注意操作的规范性等方面需认真探讨。下面就怎样做好演示实验谈几点看法。1充分显示仪器的直观性演示实验应直观简单，要有一定的可见度。做演示实 In nature teaching, how to make classroom experiments fascinating and achieve the expected results, so that students not only observe the obvious experimental phenomenon, but also to enjoy the experimental beauty in the selection of aids, pay attention to the normative aspects of the operation should be seriously explored. Here's how to talk about demo experiments. 1 fully demonstrate the intuitive instrument Demonstration experiment should be intuitive and simple, have a certain degree of visibility. Do demo