一只会跳舞的鸡蛋作文

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动手做实验——会“跳舞“的鸡蛋_初中作文

动手做实验——会“跳舞“的鸡蛋_初中作文

动手做实验——会“跳舞“的鸡蛋
本文是关于初中作文的动手做实验——会“跳舞“的鸡蛋,感谢您的阅读!
大家可能见过小鸡跳舞吧,但是大家听说过鸡生的蛋也会跳舞吗?我也感到奇怪,可是经过我试验后承认了这个奇观。

我先找来一个透明的水杯、一个生鸡蛋,一瓶白醋。

我先把鸡蛋慢慢放入水杯中,防止这脆弱的鸡蛋裂掉,然后再把白醋一点一点地倒入杯中,为了让效果明显,我一下子到了快一杯,然后我轻轻地把杯子放在桌子上静静地等待了起来。

材料就这么多
把鸡蛋慢慢放入水杯中
把醋加入杯中(也可先加醋后放蛋)
先看鸡蛋是卧在杯中
鸡蛋先是卧在了醋里,一点也不动,又过了大约五分钟,静止的鸡蛋突然动了起来,只见鸡蛋的表面上有许许多多的“汗”(银白色的小泡泡),并慢慢地站了起来。

鸡蛋壳上出现“汗”了,快要竖起来了!
这时的时间怎么像蜗牛爬?二十分钟后,我就像是等了好几个小时,只见鸡蛋上的气泡越来越多,上升的气泡也越来越多,鸡蛋有了明显的变化,忽然,鸡蛋缓缓地向上升去,就像旭日东升的小太阳,“啊!成功了,鸡蛋起来了!!!”我大声尖叫起来,鸡蛋在上面停留了几秒钟,就又沉了下来,就这样来回着,活像一个小小的电梯。

好神奇啊,鸡蛋真的像在跳舞一般。

鸡蛋已经升到顶部了,过几秒钟就降下去了
鸡蛋为什么泡在白醋里会升起来呢?这是什么科学原理?做完了试验,一大
堆问题争着往我的脑袋里挤。

好奇心使我打开了电脑查询,哦,原来是这样的,鸡蛋被醋泡过一段时间后,蛋壳中的碳酸钙会和醋发生化学反应,产生二氧化碳气体,这些凝聚在鸡蛋表面的泡泡不断破裂形成气压,从而把鸡蛋推上水面。

通过这个实验,我明白了一个科学道理,真是收获不小啊!。

最新精品作文:会跳舞的鸡蛋_500字作文-精选作文

最新精品作文:会跳舞的鸡蛋_500字作文-精选作文

会跳舞的鸡蛋_500字
我曾经做过许多实验,但老师今天做的科学实验使我终生难忘。

那天,老师拿了一个小桶,里面装着清水还拿着一粒小鸡蛋。

我可真不知道老师葫芦里卖的什么药。

这时,老师说:“今天我们要做一个会‘跳舞’的鸡蛋。

”我们恍然大悟,就开始议议纷纷。

老师请林明同学到讲台桌前做实验。

实验开始了,教室里顿时鸦雀无声,同学们个个瞪大了眼睛。

林明先拿起鸡蛋放了下去,只见鸡蛋马上就沉了下去。

老师说:“大家看好了,在清水中鸡蛋掉到桶底,要是盐水呢?”我们再请这位同学接着做这个有趣的实验。

接着林明拿起老师带的食用盐倒了下去,再倒一些,鸡蛋还没往上浮。

他拿起一支笔在水里搅拌,好让盐巴早点溶化。

又过了一会儿,鸡蛋浮了一点,同学们都把惊异的目光转向讲台上。

林明又倒了小半包盐,再拿起笔搅拌。

正当同学们为实验的结果捏一把的时候,奇迹出现了。

鸡蛋缓缓地浮了起来,露出上半边,一上一下,好有趣啊!这时,我想到古时候有个海,因为大海没有鱼虾,所以人们把这海叫“死海”,“死海”里的盐比重十分高,而古代人根本不懂。

有一次,一个国家捉了几个犯人,把他们扔到死海里。

可他们不但没死,而且还返回岸上。

国王知道了消息,以为是上天不让他们死,便立即放了这些犯人。

我边想还边笑,其实是盐在作怪啊!。

2019年小学生优秀记事作文-会跳舞的鸡蛋

2019年小学生优秀记事作文-会跳舞的鸡蛋
实验结束了,老师告诉了大家 ,原来魔力粉就是盐呀!盐使水的浮力增大,鸡蛋就浮起来了,太神奇了!
明的玻璃杯,倒了多半杯水,然后把鸡蛋小心翼翼的放在勺子上,又放入了水里,只见水位升高了,鸡蛋却沉了下去,好像一个小懒虫一样在睡觉。
老师说:“老师这次失败了,同学们,再给我一次机会,我一定会让你们心服口服的。”这时,同学们半信半疑的。老师又开始做实验了,同学们目不转睛的盯着“实验台”,老师又拿出一些“魔力粉”,一勺一勺的放进了水里,搅拌了几分钟,发现水由浑浊变清澈。这时,老师又把鸡蛋放进了水中,此时鸡蛋神奇般的浮现在了水上面,老师轻轻的把鸡蛋往下按,一会儿又浮了起来,这真是太不可思议了。

跳舞的鸡蛋作文评语简短

跳舞的鸡蛋作文评语简短

跳舞的鸡蛋作文评语简短从小到大,我经历过不少稀奇古怪的事儿,可要说印象深刻的,还得是那次和鸡蛋有关的奇妙实验。

那是一个周末的午后,阳光透过窗户洒在客厅的地板上,我百无聊赖地在沙发上翻着一本科学杂志。

突然,一个有趣的实验跳入了我的眼帘——会跳舞的鸡蛋。

嘿,鸡蛋还能跳舞?这可勾起了我的好奇心。

我一下子从沙发上弹起来,冲进厨房,开始准备实验材料。

一个透明的玻璃杯、一枚新鲜的鸡蛋、一包食盐,还有一根筷子,这些就是我的“实验法宝”。

我先在玻璃杯里倒了大半杯清水,然后小心翼翼地把鸡蛋放进去。

只见那鸡蛋像个醉汉一样,晃晃悠悠地沉到了杯底,然后就一动不动地“睡大觉”了。

这可和我想象中的“跳舞”差得太远啦!不过没关系,实验才刚刚开始。

我按照书上说的,往水里加了两勺食盐,然后拿起筷子在杯子里快速搅拌起来。

不一会儿,食盐就完全溶解在水里了,水变得有些浑浊。

我满怀期待地盯着杯底的鸡蛋,可它还是纹丝不动。

“难道是食盐加得不够?”我心里嘀咕着,又往水里加了两勺盐,继续搅拌。

这时候,水变得更浑浊了,像给鸡蛋铺上了一层轻纱。

我瞪大眼睛,紧紧地盯着鸡蛋,心里默默祈祷:“鸡蛋鸡蛋,你快浮起来呀!”也许是我的祈祷起了作用,就在我搅拌得手都快酸了的时候,鸡蛋终于有了动静。

它先是在杯底晃了晃,然后像一个刚睡醒的小宝宝,伸了个懒腰,慢悠悠地往上浮了一点。

“哇,动了动了!”我兴奋得差点叫出声来。

可它浮到一半又停住了,就像一个调皮的孩子在和我玩捉迷藏。

“哼,我就不信我治不了你!”我一咬牙,又往水里加了好几勺盐,拼命搅拌起来。

终于,在我的不懈努力下,鸡蛋像一个轻盈的舞者,从杯底缓缓地升了起来,一直浮到水面上。

它在水面上转了几个圈,仿佛在向我展示它优美的舞姿。

我高兴得手舞足蹈,赶紧把这个好消息告诉了妈妈。

妈妈走过来看了看,笑着说:“这是因为盐水的密度比清水大,所以鸡蛋就能浮起来啦。

”我似懂非懂地点点头,心里却在想:“不管怎么样,这鸡蛋跳起舞来还真好看!”这次实验让我明白了,科学真是无处不在,只要我们有一双善于发现的眼睛和一颗勇于探索的心,就能发现生活中更多的奇妙之处。

会跳舞的鸡蛋四百字作文例文的,大都市英文

会跳舞的鸡蛋四百字作文例文的,大都市英文

会跳舞的鸡蛋英语作文1One day in our science class at school, an amazing thing happened. The teacher showed us an experiment that made all of us astonished. It was about dancing eggs! The teacher placed an egg in a special liquid, and incredibly, the egg started to dance up and down. We couldn't believe our eyes. Everyone was so curious and kept asking the teacher how this could happen.After that class, I was so eager to try this experiment at home. I prepared all the materials carefully and followed the steps exactly as the teacher had shown us. With my heart beating fast, I watched as the egg began to move in the liquid. I felt a huge sense of achievement and joy. It was like I had discovered a secret of the universe.This experience made me realize that science is full of wonders and surprises. Just a simple egg and some special liquid can create such a magical scene. It also made me more determined to explore the mysteries of science and keep looking for more amazing things in this wonderful world.2One day, I saw a magical show where an egg was dancing gracefully on the stage. I was completely amazed and my heart was filled with wonder."If that egg can dance, why can't I make one dance too?" I thought to myself with excitement.So, I went home and started my adventure. I tried many times, but every attempt ended in failure. The eggs just rolled around and broke, making a big mess. I felt frustrated and almost wanted to give up.But then I remembered the beautiful dance of the egg in the show and told myself not to be a quitter. I kept trying and changing my methods. Finally, after countless efforts, the egg started to "dance" in my hands! It wasn't as perfect as the one in the show, but it was my own success.I realized that just like the dancing egg, if we have the courage to try and the spirit of innovation, we can achieve what seems impossible. Maybe one day, our "eggs" will become shining stars on a big stage.3One day, I witnessed an astonishing phenomenon - a dancing egg. It was truly a remarkable sight that captured my attention completely.I placed the egg in a container filled with a special liquid, and to my amazement, it began to move and dance as if it had a life of its own. I couldn't help but wonder about the principle behind this magical scene. Was it some kind of chemical reaction or a hidden force at play?This experience made me think of many other seemingly mysterious but scientifically explainable phenomena in life. Just like how a rainbow forms after the rain or how plants grow towards the sunlight. All thesewonders have logical explanations hidden beneath their beauty.From the dancing egg, I also realized that just like it defied expectations and danced in an unexpected way, in our lives, as long as we are determined and put in efforts, we can create miracles that others might think impossible. We should never be limited by what seems ordinary or expected, but always keep exploring and striving to achieve the extraordinary.The dancing egg was not just a simple experiment but a source of inspiration and wonder, reminding me of the endless possibilities that lie within the world of science and the power of perseverance in our lives.4One day, I witnessed a most astonishing sight - an egg dancing! It was not in a dream or a fairy tale but in a science exhibition. The moment I saw the egg moving gracefully as if it were a ballet dancer on a stage, my eyes widened in amazement.I approached it carefully, observing every detail. The egg seemed to be playing a game with me, twirling and leaping. Around it, there were various devices and experiments that made the whole scene like a magical wonderland.This encounter sparked my curiosity. I began to look around with more concentration, discovering many other interesting things. I saw how magnets could make objects float in the air, and how light could bendthrough special lenses.From that day on, I understood the importance of observation and discovery. Just like the dancing egg that opened a door to a world of wonders for me, every little thing in life has the potential to lead us to new knowledge and experiences if we only take the time to notice.5One day, I witnessed a most astonishing phenomenon - a dancing egg. It was not an ordinary sight but one that sparked my curiosity and led me to profound thoughts about the connection between science and our daily lives.The egg, placed in a special solution, began to move and dance as if it had a life of its own. This simple experiment made me realize that science is not just some distant and abstract concept but is deeply intertwined with our everyday experiences.Just like this dancing egg, modern technology has brought about countless changes to our lives. Take the development of smartphones, for instance. They have revolutionized the way we communicate, access information, and entertain ourselves. From booking flights to online learning, technology has made our lives more convenient and efficient.Scientists, too, are constantly exploring and studying such phenomena. Their research leads to new discoveries and innovations that shape the future. The study of the forces acting on the dancing egg might inspireadvancements in materials science or even help in the development of more efficient transportation systems.In conclusion, the dancing egg was not just a moment of wonder but a reminder of the power of science to transform and enhance our lives. It encourages us to keep exploring, questioning, and seeking the hidden wonders that lie within the ordinary.。

科学趣事作文

科学趣事作文

科学趣事作文
《科学趣事:会跳舞的鸡蛋》
嘿,你们知道吗?我最近遇到了一件超级有趣的科学趣事呢!
那天,我去朋友小明家玩,一进他家门,就看到他神神秘秘地在摆弄着一些东西。

我好奇地凑过去问:“小明,你在干啥呀?”小明笑了笑说:“嘿嘿,等会你就知道啦,我在做一个超好玩的实验。


只见他拿出一个透明的杯子,往里面倒了大半杯的白醋,然后又拿出一个鸡蛋放了进去。

我看着那鸡蛋静静地躺在杯子里,没啥特别的呀,就问他:“这有啥好玩的呀?”小明卖起了关子:“别着急嘛,等着看好戏咯。


我们就坐在旁边盯着杯子看,过了一会儿,嘿,神奇的事情发生了!那鸡蛋的表面开始冒出一些小泡泡,就像鸡蛋在吐泡泡似的。

我惊讶地叫起来:“哇,这是怎么回事呀?”小明得意地说:“哈哈,这是因为白醋和鸡蛋壳发生了化学反应呢。


又过了一会儿,那鸡蛋居然开始慢慢地往上浮,浮到一半又沉下去,然后又浮起来,就像在跳舞一样!我和小明都哈哈大笑起来。

我打趣地说:“这鸡蛋还会跳舞呢,太有意思啦!”小明也笑着说:“是啊,科学就是这么神奇呀。


我们继续观察着,那鸡蛋就一直这样浮浮沉沉地跳着舞。

我问小明:“那它会一直这样跳下去吗?”小明想了想说:“应该不会吧,等反应
结束可能就不跳了。


果然,过了一段时间,鸡蛋慢慢地安静下来,不再跳舞了。

不过这次的经历真的让我觉得科学太有趣啦!原来生活中有这么多奇妙的现象等着我们去发现呢。

这就是我经历的科学趣事啦,是不是很有意思呀?以后我还要多去发现更多好玩的科学现象呢!哈哈!。

会跳舞的鸡蛋改成作文300字

会跳舞的鸡蛋改成作文300字

会跳舞的鸡蛋改成作文300字
午后的阳光真给力,嘿,你看那个鸡蛋!在桌面上转悠得跟啥似的,简直像活的一样。

平时这鸡蛋就在碗里待着,现在居然能跳舞,神奇了!
说实话,这鸡蛋旋转起来的样子,真的像芭蕾舞者脚尖上的舞蹈。

每一步都特别稳,还特带感,感觉连空气都在给它打call。

哎哟,突然间这鸡蛋跟打了鸡血似的,转得飞快!简直就是陀螺本陀啊!我眼睛都快跟不上它的节奏了,这家伙是不是偷偷练了什么绝世武功?
最后呢,鸡蛋终于慢了下来,像舞者表演完优雅地鞠躬谢幕。

虽然结束了,但整个屋子都还在惊叹中没回过神来。

这鸡蛋,绝对是我这午后见过最牛的“舞者”了!。

描写会跳舞的鸡蛋的作文

描写会跳舞的鸡蛋的作文

描写会跳舞的鸡蛋的作文
嘿,伙计们!我今天要讲个超级扯淡的故事,就是关于会跳舞的鸡蛋。

听着可能挺疯狂的,但请相信我,这事真他妈的发生过!
那天我在家做早餐,打算给自己做几个鸡蛋三明治。

我把鸡蛋打进锅里,结果就在我转过身去的那会儿,锅里的鸡蛋突然开始自己动起来了!我傻了眼,差点儿以为自己看花眼。

但没错,那鸡蛋真的在跳舞啊!
先是一顿扭啊扭,然后开始踢踏舞,接着竟然还跳起了Can-Can舞,太TM精彩了!我目瞪口呆地看着,简直不敢相信自己的眼睛。

就在我考虑是不是该叫救护车的时候,鸡蛋突然停了下来,老老实实地待在锅里。

我赶紧把锅从炉子上移开,生怕这鸡蛋又开始嚣张起来。

吓死我了,真是太疯狂的一幕!我发誓这绝对是我这辈子见过的最古怪的事,就连在酒吧看脱衣舞秀的时候,我也没这么被震撼过。

后来我想通了,大概是我家的鸡蛋被施了什么魔法吧?不然怎么会跳舞呢?管他呢,反正我已经决定把这个鸡蛋小心保存起来,说不定哪天它还会再跳一次呢?到时候我要录下来,放到网上去火一把,说不定就能赚个大钱呢!。

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一只会跳舞的鸡蛋作文
生活就像一位无声的老师,教会了我们无穷的知识和道理。

那个星期六,我发觉了鸡蛋浮起来的神奇,那次实验让我明白得了要留心观看周围的事物,才会发觉大自然的神奇。

那是一个星期六,我正在津津有味的看书,忽然无意间看到了一篇关于鸡蛋浮起来的作文,我越看越感兴趣,心动不如行动,我迅速的拿来了一个鸡蛋,一个玻璃杯和一袋盐,还有一双木筷子一杯清水.鸡蛋外壳呈乳白色,椭圆形,头略微有点儿尖。

我先把鸡蛋放入清水中,放了一点盐,鸡蛋像个醉汉似的,晃晃悠悠地往下坠,不一会儿就沉在了杯底,懒洋洋的呼呼“睡大觉”,一动不动。

我想:“咦?鸡蛋什么缘故没有浮起来呢?”我想了一会儿,终于明白了,是盐放得太少了。

因此,我又加入了大量的盐,然后进行搅拌,过了一会儿,鸡蛋仿佛轻了许多,从怀底竖了起来,又像个刚刚睡醒的娃娃,迷迷糊糊地往上冒。

鸡蛋浮现来了,就看起来潜水员的氧气罐里没有了氧气,只得露出来呼吸新奇空气一样。

浮出水面的鸡蛋像个淘气的小孩,从水里探出头来。

鸡蛋什么缘故会浮现来呢,我百思不得其解,因此上网查了资料,哦!原来是主样啊:在水中加了食盐,水的密度变大了,浮力也跟着变大,鸡蛋就浮现来了,我顿时恍然大悟,我发觉了鸡蛋浮起来的原理,内心十分快乐,双带有一丝惭愧。

奇特的大自然,是蕴藏着很多神奇的。

关于我们的眼睛,不是缺少美,而是缺少发觉,我们应该多留心观看周围的事物,才会发觉大自然的神奇,才会感受到大自然的奇特,才会去探究大自然的奥妙。

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