<p style="line-height: 21px; font-size: 14px; max-width: 100%; clear: both; min-height: 1em; color: rgb(251, 72, 93); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 1.5px; text-align: justify; white-space: normal; background-color: rgb(254, 254, 254); text-indent: 32px; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 16px; line-height: 24px; font-family: 宋体; overflow-wrap: break-word !important;">材料：小音箱、保鲜膜、剪刀、彩纸、食盐。</span></h3><p style="line-height: 21px; font-size: 14px; max-width: 100%; clear: both; min-height: 1em; color: rgb(251, 72, 93); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 1.5px; text-align: justify; white-space: normal; background-color: rgb(254, 254, 254); text-indent: 32px; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 16px; line-height: 24px; font-family: 宋体; overflow-wrap: break-word !important;">操作步骤：</span></h3><p style="line-height: 21px; max-width: 100%; clear: both; min-height: 1em; color: rgb(251, 72, 93); letter-spacing: 1.5px; text-align: justify; white-space: normal; background-color: rgb(254, 254, 254); text-indent: 32px; overflow-wrap: break-word !important;"><span style="font-family: 宋体; font-size: 16px; max-width: 100%; line-height: 24px; overflow-wrap: break-word !important;">1.制作震动箱。将音箱打开，放到盒子里，盒子不要太大</span><span style="font-family: 宋体; font-size: 16px; max-width: 100%; line-height: 24px; overflow-wrap: break-word !important;">。用保鲜膜将盒子封好。</span></h3><p style="line-height: 21px; font-size: 14px; max-width: 100%; clear: both; min-height: 1em; color: rgb(251, 72, 93); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 1.5px; text-align: justify; white-space: normal; background-color: rgb(254, 254, 254); text-indent: 32px; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 16px; line-height: 24px; font-family: 宋体; overflow-wrap: break-word !important;">2.<span style="max-width: 100%; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 9px; line-height: normal; font-family: "Times New Roman"; overflow-wrap: break-word !important;"> </span></span><span style="max-width: 100%; font-size: 16px; line-height: 24px; font-family: 宋体; overflow-wrap: break-word !important;">游戏开始了。将小纸片放到保鲜膜上，观察声音振动给小纸片带来的变化。</span></h3><p style="line-height: 21px; font-size: 14px; max-width: 100%; clear: both; min-height: 1em; color: rgb(251, 72, 93); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 1.5px; text-align: justify; white-space: normal; background-color: rgb(254, 254, 254); text-indent: 32px; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 16px; line-height: 24px; font-family: 宋体; overflow-wrap: break-word !important;">游戏原理：</span></h3><p style="line-height: 21px; font-size: 14px; max-width: 100%; clear: both; min-height: 1em; color: rgb(251, 72, 93); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 1.5px; text-align: justify; white-space: normal; background-color: rgb(254, 254, 254); text-indent: 32px; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 16px; line-height: 24px; font-family: 宋体; overflow-wrap: break-word !important;">小碎纸片之所以会“跳舞”，是因为音箱在播放音乐的时候，会带动周围的空气振荡，释放出一种叫“声波”的东西。它看不见，摸不着，但能引起事物的振动，就是它使得纸振动，以带动碎纸片跳舞的。人类的耳朵之所以能听见声音，也是由于声波振动我们的耳膜产生的。</span></h3><p style="line-height: 21px; font-size: 14px; max-width: 100%; clear: both; min-height: 1em; color: rgb(251, 72, 93); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 1.5px; text-align: justify; white-space: normal; background-color: rgb(254, 254, 254); text-indent: 32px; overflow-wrap: break-word !important;"><span style="max-width: 100%; font-size: 16px; line-height: 24px; font-family: 宋体; overflow-wrap: break-word !important;"><br></span></h3> <h3>将纸片换成食盐再看看吧！</h3>