<h3><br></h3><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; white-space: normal; font-size: 16px; color: rgb(62, 62, 62); font-family: 微软雅黑; line-height: 1.75em; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">小朋友及大朋友们，下午好！又到了今天的【科学小实验】时间了，我们的口号是“小实验大科学”。现在，你们准备好和我一起探索神秘的科学世界了吗？让我们变身科学小侦探，开启今天的科学任务吧！</span></h3><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; white-space: normal; font-size: 16px; color: rgb(62, 62, 62); font-family: 微软雅黑; line-height: 1.75em; overflow-wrap: break-word !important;"><br style="max-width: 100%; overflow-wrap: break-word !important;"></h3><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; white-space: normal; font-size: 16px; color: rgb(62, 62, 62); font-family: 微软雅黑; line-height: 1.75em; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;"><br style="max-width: 100%; overflow-wrap: break-word !important;"></span></h3><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; white-space: normal; font-size: 16px; color: rgb(62, 62, 62); font-family: 微软雅黑; line-height: 1.75em; text-align: center; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(255, 255, 255); background-color: rgb(0, 0, 0); overflow-wrap: break-word !important;">领取任务卡</span></h3> <h3><br></h3><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; white-space: normal; font-size: 16px; line-height: 25.6px; color: rgb(62, 62, 62); font-family: 微软雅黑; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"><strong style="max-width: 100%; line-height: 1.75em; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">【今日任务】</span></strong><span style="max-width: 100%; font-size: 14px; color: rgb(62, 62, 62); line-height: 1.75em; overflow-wrap: break-word !important;">利用重心原理将鸡蛋立在桌面。</span></span></h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); letter-spacing: 0.544px; text-align: justify; white-space: normal; font-family: 微软雅黑; line-height: 1.75em; overflow-wrap: break-word !important;"><strong style="max-width: 100%; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">【假设分析】</span></strong><span style="max-width: 100%; font-size: 14px; color: rgb(62, 62, 62); overflow-wrap: break-word !important;">根据此前实验结论可知，当鸡蛋重心与支点处于同一条铅垂线，就能保持稳定状态。但是，由于鸡蛋两端呈球冠状，重心容易偏离铅垂线，导致鸡蛋倾倒。因此，只需要在鸡蛋底端提供相应的支撑结构，即可维持鸡蛋重心。我们可以通过实验来验证我们的假设</span><span style="max-width: 100%; color: rgb(62, 62, 62); font-size: 14px; line-height: 1.75em; overflow-wrap: break-word !important;">。</span></h3><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; white-space: normal; color: rgb(62, 62, 62); font-family: 微软雅黑; line-height: 1.75em; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"><strong style="max-width: 100%; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">【课程目标】</span></strong><span style="max-width: 100%; font-size: 14px; color: rgb(62, 62, 62); overflow-wrap: break-word !important;">培养孩子观察、分析、假设、验证的科学思维方法，以及解决实际问题的能力。</span></span></h3><h3><span style="max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 14px; color: rgb(62, 62, 62); overflow-wrap: break-word !important;"><br></span></span></h3> <p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; white-space: normal; font-size: 16px; color: rgb(62, 62, 62); font-family: 微软雅黑; line-height: 1.75em; text-align: center; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(255, 255, 255); background-color: rgb(0, 0, 0); overflow-wrap: break-word !important;">实验所需材料</span><span style="max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;"><br style="max-width: 100%; overflow-wrap: break-word !important;"></span></h3><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; white-space: normal; font-size: 16px; color: rgb(62, 62, 62); font-family: 微软雅黑; line-height: 1.75em; text-align: center; overflow-wrap: break-word !important;"><br style="max-width: 100%; overflow-wrap: break-word !important;"></h3><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; white-space: normal; line-height: 25.6px; color: rgb(62, 62, 62); font-family: 微软雅黑; text-align: center; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">鸡蛋2个、白砂糖少许、食盐少许</span></h3> <p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; white-space: normal; font-size: 16px; color: rgb(62, 62, 62); font-family: 微软雅黑; line-height: 1.75em; text-align: center; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(255, 255, 255); background-color: rgb(0, 0, 0); overflow-wrap: break-word !important;">实验操作步骤</span></h3><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; white-space: normal; font-size: 16px; color: rgb(62, 62, 62); font-family: 微软雅黑; line-height: 1.75em; overflow-wrap: break-word !important;"><br style="max-width: 100%; overflow-wrap: break-word !important;"></h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; white-space: normal; line-height: 25.6px; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(62, 62, 62); font-family: 微软雅黑; font-size: 14px; overflow-wrap: break-word !important;">1.尝试直接将鸡蛋竖直立在桌面上。</span></h3> <h3><br></h3><h3><span style="color: rgb(62, 62, 62); font-family: 微软雅黑; font-size: 14px; letter-spacing: 0.544px; text-align: justify; white-space: normal;">2.在桌面撒少许白砂糖，并将鸡蛋一端与桌面的白砂糖颗粒接触，并不断调整鸡蛋的重心位置，观察鸡蛋的状态。</span><br></h3> <h3><br></h3><h3><span style="color: rgb(62, 62, 62); font-family: 微软雅黑; font-size: 14px; letter-spacing: 0.544px; text-align: justify; white-space: normal;">3.将鸡蛋周边多余的白砂糖吹跑，并观察鸡蛋的状态。</span><br></h3> <h3><br></h3><h3><span style="color: rgb(62, 62, 62); font-family: 微软雅黑; font-size: 14px; letter-spacing: 0.544px; text-align: justify; white-space: normal;">4.将白砂糖颗粒换成更小的食盐颗粒，继续重复步骤2、3，并观察鸡蛋的状态。</span><br></h3> <h3><br></h3><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; white-space: normal; font-size: 16px; color: rgb(62, 62, 62); font-family: 微软雅黑; line-height: 1.75em; text-align: center; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(255, 255, 255); background-color: rgb(0, 0, 0); overflow-wrap: break-word !important;">现象及原理分析</span></h3><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; white-space: normal; font-size: 16px; color: rgb(62, 62, 62); font-family: 微软雅黑; line-height: 1.75em; overflow-wrap: break-word !important;"><br style="max-width: 100%; overflow-wrap: break-word !important;"></h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; white-space: normal; line-height: 25.6px; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(62, 62, 62); font-family: 微软雅黑; font-size: 14px; overflow-wrap: break-word !important;">通过上面的实验我们发现，如果直接将鸡蛋一端立在桌面上，鸡蛋立马就倾倒滚落下来。当在桌面上撒一层白砂糖或食盐，再将鸡蛋一端与白砂糖或食盐颗粒接触，在不断调整位置后，就能轻易将鸡蛋立起来而不会倾倒。</span></h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; white-space: normal; line-height: 25.6px; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(62, 62, 62); font-family: 微软雅黑; font-size: 14px; overflow-wrap: break-word !important;"><br style="max-width: 100%; overflow-wrap: break-word !important;"></span></h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; white-space: normal; line-height: 25.6px; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(62, 62, 62); font-family: 微软雅黑; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">鸡蛋底端与白砂糖颗粒或食盐颗粒在桌面上共同形成了一个稳固的承托结构，相当于增大了鸡蛋与桌面的接触面积，且整个接触面呈水平状态。此时鸡蛋的重心与整个支撑结构的支点处于同一条铅垂线，因此鸡蛋能竖立起来而不倾倒。</span></span></h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; white-space: normal; line-height: 25.6px; overflow-wrap: break-word !important;"><br style="max-width: 100%; overflow-wrap: break-word !important;"></h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; white-space: normal; line-height: 25.6px; overflow-wrap: break-word !important;"><br style="max-width: 100%; overflow-wrap: break-word !important;"></h3><p style="max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; white-space: normal; font-size: 16px; line-height: 25.6px; color: rgba(88, 88, 91, 0.933); text-align: center; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(255, 255, 255); font-family: 微软雅黑; background-color: rgb(0, 0, 0); overflow-wrap: break-word !important;">实验注意事项</span></h3><p style="max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; white-space: normal; font-size: 16px; color: rgb(62, 62, 62); font-family: 微软雅黑; line-height: 1.75em; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;"><br style="max-width: 100%; overflow-wrap: break-word !important;"></span></h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; white-space: normal; font-size: 16px; line-height: 25.6px; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(62, 62, 62); font-family: 微软雅黑; font-size: 14px; overflow-wrap: break-word !important;">实验过程中需大人全程陪伴，不能让孩子单独操作，确保安全。</span></h3><p style="max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; white-space: normal; font-size: 16px; line-height: 25.6px; color: rgba(88, 88, 91, 0.933); overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 12px; color: rgb(136, 136, 136); overflow-wrap: break-word !important;"><span style="max-width: 100%; font-family: 微软雅黑; overflow-wrap: break-word !important;">免责申明：科学实验含一定的操作风险，请家长陪同孩子严格按照实验步骤操作并仔细留意本实验注意事项，实验过程中发生的任何安全事故，与育苗教育公众号无关。</span></</span></h3> <section style="margin-top: -1.4em; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 1em; letter-spacing: 0.544px; white-space: normal; color: rgb(166, 166, 166); text-align: center; border: none; line-height: 1.4; overflow-wrap: break-word !important;"><section style="padding-right: 24px; padding-left: 24px; max-width: 100%; color: rgb(70, 70, 70); font-size: 20px; font-family: inherit; font-weight: inherit; text-decoration: inherit; border-color: rgb(255, 255, 255); display: inline-block; background-color: rgb(254, 255, 255); overflow-wrap: break-word !important;"><section style="max-width: 100%; overflow-wrap: break-word !important;"><span style="max-width: 100%; color: rgb(255, 255, 255); font-size: 16px; background-color: rgb(0, 0, 0); overflow-wrap: break-word !important;">今日互动及思维创新</span></section></section></section><section style="padding: 16px; max-width: 100%; color: rgb(62, 62, 62); font-family: inherit; font-size: 16px; letter-spacing: 0.544px; text-align: justify; white-space: normal; line-height: 1.4; overflow-wrap: break-word !important;"><p style="max-width: 100%; clear: both; min-height: 1em; text-align: center; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-family: 微软雅黑; font-size: 14px; overflow-wrap: break-word !important;">你还有什么其他方法能将鸡蛋竖立起来？文章底部留言探讨吧</span></h3></section> <h3><br></h3><h3><span style="-webkit-tap-highlight-color: transparent; font-weight: bolder; color: rgb(25, 25, 25); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 20px; letter-spacing: 0.3px; white-space: normal; text-align: center;"><span style="-webkit-tap-highlight-color: transparent;"> 北京红缨连锁<br style="-webkit-tap-highlight-color: transparent;"></span></span><span style="-webkit-tap-highlight-color: transparent; font-weight: bolder; color: rgb(25, 25, 25); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 20px; letter-spacing: 0.3px; white-space: normal; text-align: center;"><span style="-webkit-tap-highlight-color: transparent;"> 陵城区幸福春天红缨幼儿园<br style="-webkit-tap-highlight-color: transparent;"></span></span><span style="-webkit-tap-highlight-color: transparent; font-weight: bolder; color: rgb(25, 25, 25); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 20px; letter-spacing: 0.3px; white-space: normal; text-align: center;"><span style="-webkit-tap-highlight-color: transparent;"> 育苗幼儿园<br style="-webkit-tap-highlight-color: transparent;"></span></span><span style="-webkit-tap-highlight-color: transparent; font-weight: bolder; color: rgb(25, 25, 25); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 20px; letter-spacing: 0.3px; white-space: normal; text-align: center;"><span style="-webkit-tap-highlight-color: transparent;"> 专注幼儿创造力培养<br style="-webkit-tap-highlight-color: transparent;"></span></span><span style="-webkit-tap-highlight-color: transparent; font-weight: bolder; color: rgb(25, 25, 25); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei"; font-size: 20px; letter-spacing: 0.3px; white-space: normal; text-align: center;"><span style="-webkit-tap-highlight-color: transparent;"> 成长热线：18253472808</span></span><br></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"; color: rgb(25, 25, 25); text-align: justify; white-space: normal; font-size: 0.3rem !important; line-height: 2em !important;"><span style="-webkit-tap-highlight-color: transparent; font-weight: bolder; text-align: center;"> 转发是真爱，让更多孩子受益！</span></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"; color: rgb(25, 25, 25); text-align: justify; white-space: normal; font-size: 0.3rem !important; line-height: 2em !important;"><span style="-webkit-tap-highlight-color: transparent; font-weight: bolder; text-align: center;"></span><span style="-webkit-tap-highlight-color: transparent; font-weight: bolder; text-align: center;"> 您反手的一个赞就是对小编的最大鼓励</span></h3>