创客——怪坡

冰凌花

<h3><span style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); font-family: 微软雅黑; font-weight: bold; background-color: rgb(172, 178, 187);">如果没有重力,生活将会怎么样?</span><br></h3> <p style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑;">1、水壶里的水无法倒出来。</h3><p style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑;">2、我们只要一跳,就会飞到天上。</h3><p style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑;">3、眼泪流不下来。</h3><p style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑;">4、我们无法上厕所。</h3><p style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑;">5、睡觉必须得绑在床上,否则醒来不知道会在哪里?</h3> <h3>反重力的怪坡</h3> <p style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑;"><span style="font-weight: bold;">今天我们却要在地球上制作一个反重力的怪坡。</span></h3><p style="white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑; font-size: 14px;">小朋友们观察一下,哪边高,哪边低?操作一下,看看能不能让小球往高的地方运动呢?</h3> <p style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑;">试一试:慢慢加宽两根木棍距离,在一定的宽度后。玻珠开始向高的方向滚动了。</h3><p style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑;">猜猜这是什么原因呢?如果继续滚动,玻珠最后会怎么样?</h3> <p style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑;">当玻珠继续滚动时,玻珠最终会掉落。</h3><p style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑;">而玻珠能往上方滚动,实际上跟玻珠的重心有关。</h3><p style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑;">当木棍打开时,玻珠因为自身的形状,重心其实是在往下走的,实际上玻珠还是在往下滚。</h3><p style="font-size: 16px; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); word-wrap: break-word; font-family: 微软雅黑;">只是我们的视觉观察不到重心,我们根据视觉习惯,感觉到玻珠在往上走,只是我们的错觉。</h3><h3><br class="Apple-interchange-newline" style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;"></h3> <h3>进行尝试,如何让玻珠从矮向高处跑</h3> 奇妙的错觉<br><h3><br></h3> <h3>经过多次试验,最终成功了</h3> <h3>经过多次试验,成功了</h3> <h3>爸爸妈妈们,你们能成功吗?</h3> <p style="text-indent: 0px; "><span style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); text-indent: -40px;">考一考你们:</span><span style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); white-space: normal; font-family: 微软雅黑; font-size: 24px; text-indent: -40px;">怪坡实验中</span><span style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); white-space: normal; font-family: 微软雅黑; font-size: 24px; text-indent: -40px;">,玻珠</span><span style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); white-space: normal; font-family: 微软雅黑; font-size: 24px; text-indent: -40px;">是真的</span><span style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); white-space: normal; font-family: 微软雅黑; font-size: 24px; text-indent: -40px;">向上</span><span style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); white-space: normal; font-family: 微软雅黑; font-size: 24px; text-indent: -40px;">滚动了吗?</span><br></h3>