<h3><span style="color: rgb(22, 51, 79); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; letter-spacing: 0.3px; text-align: justify; white-space: normal;">满满的一杯水，倒立过来后，被一张薄薄的纸托住，却可以滴水不漏，纸有这么大的力量吗？今天就来与大一班的小朋友一起操作吧</span><br></h3> <h3><font color="#010101"><p style="-webkit-tap-highlight-color: transparent; letter-spacing: 0.3px; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; color: rgb(22, 51, 79); text-align: justify; white-space: normal; line-height: 1.6em !important;">🌈科学名称：</h3><p style="-webkit-tap-highlight-color: transparent; letter-spacing: 0.3px; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; color: rgb(22, 51, 79); text-align: justify; white-space: normal; line-height: 1.6em !important;"> 《倒立水不漏》</h3><p style="-webkit-tap-highlight-color: transparent; letter-spacing: 0.3px; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; color: rgb(22, 51, 79); text-align: justify; white-space: normal; line-height: 1.6em !important;">🌈科学目标：</h3><p style="-webkit-tap-highlight-color: transparent; letter-spacing: 0.3px; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; color: rgb(22, 51, 79); text-align: justify; white-space: normal; line-height: 1.6em !important;"> 1.在不断操作中，发现、总结倒立 水不漏的现 象。 </h3><p style="-webkit-tap-highlight-color: transparent; letter-spacing: 0.3px; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; color: rgb(22, 51, 79); text-align: justify; white-space: normal; line-height: 1.6em !important;"> 2.在活动中感受动手记录、合作探 索的乐趣。</h3><p style="-webkit-tap-highlight-color: transparent; letter-spacing: 0.3px; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; color: rgb(22, 51, 79); text-align: justify; white-space: normal; line-height: 1.6em !important;">🌈实验准备：</h3><p style="-webkit-tap-highlight-color: transparent; letter-spacing: 0.3px; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; color: rgb(22, 51, 79); text-align: justify; white-space: normal; line-height: 1.6em !important;">一张纸 一个杯子 若干水</h3></font></h3> <h3><font color="#010101"><p style="-webkit-tap-highlight-color: transparent; letter-spacing: 0.3px; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; color: rgb(22, 51, 79); text-align: justify; white-space: normal; line-height: 1.6em !important;">🌈实验步骤：</h3><p style="-webkit-tap-highlight-color: transparent; letter-spacing: 0.3px; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; color: rgb(22, 51, 79); text-align: justify; white-space: normal; line-height: 1.6em !important;">1⃣.在杯子里装满水</h3></font></h3> <h3><span style="color: rgb(22, 51, 79); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; letter-spacing: 0.3px; text-align: justify; white-space: normal;">2⃣.用硬纸板盖住水杯，注意不要留气泡。</span><br></h3> <h3><span style="color: rgb(22, 51, 79); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; letter-spacing: 0.3px; text-align: justify; white-space: normal;">3⃣. 按住纸板把水杯倒过来，松开手发现纸板还盖着杯子，杯子里的水也没有漏出来。</span><br></h3> <h3><font color="#010101"><p style="-webkit-tap-highlight-color: transparent; letter-spacing: 0.3px; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; color: rgb(22, 51, 79); text-align: justify; white-space: normal; line-height: 1.6em !important;">🌈科学原理：</h3><p style="-webkit-tap-highlight-color: transparent; letter-spacing: 0.3px; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 18px; color: rgb(22, 51, 79); text-align: justify; white-space: normal; line-height: 1.6em !important;"> 因为杯子里没有空气，所以外面大气压强比里面大，而水的重量也没有外面大气压强大，于是外面的大气压把水和纸板都托住了。</h3></font></h3> <h3><br></h3><h3><br></h3><h3>31656部队幼儿园</h3><h3>潘诗语</h3>