所谓实验,是指科学上为阐明某一现象而创造特定条件,以便观察它的变化和结果的过程.实验是人类研究和认识自然的重要方法.科学的发展史表明,近代自然科学的重大突破.一般不是直接来自于生产实践,往往是科学实验取得的.让学生从小掌握科学实验的方法,是自然课教学的重要任务之一. The so-called experiment refers to the process of creating specific conditions in order to clarify a phenomenon in science in order to observe its changes and results.Experiment is an important method for human study and understanding of nature.The history of the scientific development shows that a major breakthrough in modern natural science It is often not derived directly from the practice of production, often obtained from scientific experiments, and it is one of the important tasks of teaching nature to let students master the methods of scientific experiments from an early age.