当前位置:首页>课件>价值几头牛的科学课件,太牛了!五下交互课件:沉的材料造船!我不允许你没用过!【馒头发呆的痕迹】

价值几头牛的科学课件,太牛了!五下交互课件:沉的材料造船!我不允许你没用过!【馒头发呆的痕迹】

  • 2026-04-04 08:53:49
价值几头牛的科学课件,太牛了!五下交互课件:沉的材料造船!我不允许你没用过!【馒头发呆的痕迹】

今天,请优秀的你,接受五下《沉的材料造船》辅助复习AI模拟实验交互工具。

效果见视频,资源在后面自取。

作为一名教科学又爱研究新技术的老师,我经常在想:怎么能让孩子们在课堂上玩得更透彻一点?

最近看到五年级这一课,大家都要用铝箔纸折小船。虽然折纸很有趣,但我发现几个挺闹心的问题:铝箔纸折几次就烂了,没法反复试;往船里放垫圈时,水经常洒一桌子;最关键的是,很多孩子只顾着往里塞东西,却不明白为什么有的船稳,有的船一碰就翻。

于是,我连夜做出了这个“铝箔船模拟实验”小工具。今天不讲复杂的代码,也不列公式,就跟大家聊聊这个课件怎么用,以及我的一点教学心得。

强调:辅助模拟实验不代替动手,只是便于反复模拟,巩固知识,不损耗材料。

一、 别再死记硬背,动手“滑”出答案

书上说,船的体积越大,载重量就越大。但“体积”这个词对小学生来说挺抽象的。

在这个课件里,我设计了一个滑动条。孩子们动动手指,拉一下底边的长度,屏幕上的小船就会跟着变宽或变窄、变高或变矮。

直观:你把底变大,船就矮了;你把底缩小,船就深了。

反馈:船变样的同时,旁边的数字会告诉你现在能装多少克。孩子们很快就能发现:不是底越大越好,也不是越高越好,得有个“黄金比例”。这种发现比老师在黑板上讲一百遍都管用。

二、 模拟“翻船”,比“成功”更有意思

现实中,船沉了往往不是因为东西太重,而是因为没放稳。

我在课件里特意加了个“捣蛋”的功能——投弹珠。

这些小弹珠是会滚动的!如果你不小心把它们都堆在了一边,小船就会倾斜。如果斜得太厉害,哪怕还没装满,“哗啦”一声,屏幕就会变红,提示你“船翻了”。

这时候,孩子们就会开始动脑筋:怎么让它更稳呢?

这时点一下“开启船舱分隔”,小船内部就会多出几道隔板。这时候再放弹珠,它们就被锁在格子里乱跑不了。孩子们一下就能明白:原来大船分舱,不光是为了防水,还是为了平衡啊!

三、 课堂上,我是怎么玩这个工具的?

我通常不会直接给答案,而是带着大家玩:

盲猜比赛: 先不折纸,让大家在模拟器上试,看谁能调出那个“最能装”的参数。

暴力测试: 看看一直加垫圈会发生什么?看着小船一点点没入水中,最后“咕嘟咕嘟”沉下去,那种视觉冲击力特别能加深印象。

现实挑战:模拟器玩好了,再去拿真正的铝箔纸折。这时候,孩子们折出来的船,心里都有个数,不再是乱折一气了。

重置游戏请点击浏览器左上角的那个圈刷新。

四、 一点心里话:代码也是一种“教具”

有人问我,电脑模拟能代替真实实验吗?

当然不能。 摸到铝箔纸的质感、感受到水的阻力,这些是电脑给不了的。

但我认为,这个小工具像是给实验装上了透视镜。它把看不见的重量、算不清的比例,变成了看得见的动画和跳动的数字。它让学生在真正动手折纸之前,先在脑子里建起一座“科学模型”。

如果你也想在课堂上给孩子们露一手,或者想让他们换个方式学科学,欢迎试试这个小工具。不用安装,点开就能玩!

工具地址: 关注我的公众号“馒头发呆的痕迹”就能找到,在这句话下面就可以保存。

步骤:先保存,再在保存的这个软件里下载,具体步骤见:

教学资源获取,常见问题解答自查【吴老师交互课件】

希望每个孩子都能在科学课上,既能动手折出好船,又能动脑想出道理。

往期精彩:

公开课的神,拿走!!四下简易电路演示系统,有灯泡电流还有小风扇!【吴老师交互课件】

嘘!这科学课件可以当传家宝留给孙娃!科学三下2.1不同种类的动物【吴老师交互课件】

天!这课件拿去求婚,哪个老师都嫁给你!科学课件的神!三下科学2.4幼蚕在成长【吴老师交互课件】

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  1. CONNECT:[ UseTime:0.000467s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000738s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.044146s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.009180s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000601s ]
  6. SELECT * FROM `set` [ RunTime:0.000204s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000521s ]
  8. SELECT * FROM `article` WHERE `id` = 489047 LIMIT 1 [ RunTime:0.005524s ]
  9. UPDATE `article` SET `lasttime` = 1775561041 WHERE `id` = 489047 [ RunTime:0.007311s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.018169s ]
  11. SELECT * FROM `article` WHERE `id` < 489047 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.013431s ]
  12. SELECT * FROM `article` WHERE `id` > 489047 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004357s ]
  13. SELECT * FROM `article` WHERE `id` < 489047 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.010385s ]
  14. SELECT * FROM `article` WHERE `id` < 489047 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001220s ]
  15. SELECT * FROM `article` WHERE `id` < 489047 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.007861s ]
0.199978s