每做一个实验，同学们可能会想：这个实验为什么这样做？不这样做为什么不行？怎样正确选择器材等问题．要想弄清这些问题，就必须了解实验的意图和设计思想这个核心．实验的设计包括器材的选择、操作步骤安排、数据的记录和处理等．“研究液体的压强”实验是如何设计的呢？首? Every time an experiment is done, the students may think: Why does this experiment do this? Why can’t we not do this? How to choose the right equipment and other issues. To understand these issues, we must understand the core of the experimental intention and design ideas. The design of the experiment includes equipment selection, operation procedure arrangement, data recording and processing, etc. How is the “Study Liquid Pressure” experiment designed? first?