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摩擦起电小实验作文300字

2022-06-25 06:04:04三年级191

A day, knowing the teacher is the mood still is very how, the teacher let us do a test, classmates are very excited rose.

一天,不知道老师是心情好还是怎么了,老师让我们做了一个实验,同学们都很兴奋起来了。

The experiment began, by introduced from the northern and western nationalities or from abroad Gan Hua left hand is obtaining a rule, the right hand is taking a piece of paper. Introduced from the northern and western nationalities or from abroad Gan Hua cuts paper into each small fragment, the teacher wants him to cut rule in the attrition on the hair, next fluctuation ground on his hand are mobile, good, he puts rule in the scrip above, do not have even a bit reaction. Classmates saw not reconciled to, a classmate stands up say: “ is cheered! Hu Gan China does not abandon. ” says another times again: “ is cheered! Cheer! Introduced from the northern and western nationalities or from abroad Gan Hua you are the most marvellous! ” issued him to begin a test again in everybody's encouragement.

实验开始了,由胡淦华左手拿着一把尺子,右手拿着一张纸。胡淦华把纸剪成一个个小碎片,老师要他把尺子剪在头发上摩擦,他的手上下上下地移动,好了,他把尺子放在纸片上面,连一点反应都没有。同学们看见了都不甘心,有一个同学站起来说:“加油!胡淦华不要放弃。”另一个又说:“加油!加油!胡淦华你是最棒的!”就在大家的鼓励下他再次开始了实验。

He puts rule on head composition hair to begin clash again, and be put in attrition of a place, resemble a car in race spanking on the head, he felt one rule very hot, when he has not put rule to the scrip, abrupt scrip was sucked, classmates are open-eyed rise. Still a few classmates cannot help running in front saw, far transmitted applause, this applause is the encouragement that gives him.

他把尺子放在头作文发上又一次开始摩擦,并且放在一个地方摩擦,就像一个在赛跑的车子在头上飞跑,他摸了一尺子很热,他还没把尺子放到纸片上时,突然纸片被吸了上去,同学们都惊讶了起来。还有几个同学忍不住跑到前面看了一通,远处传来了掌声,这掌声是给他的鼓励。

This experiment let me fall in love with science. Science is really interesting, I knew later, this seems principle of ” of the report since “ attrition now is to be in meeting generation is electrostatic after chafing repeatedly, the scrip is met “ sucks ” go up.

这个实验让我爱上了科学。科学真有趣,后来我知道了,这一现象是“摩擦起电”原理是在反复摩擦之后会产生静电,纸片会“吸”了上去。

Pass a test this, I liked to go up more scientific, I can be certainly on scientific way go further more.

通过这一次实验,我更加喜欢上了科学了,我一定会在科学的道路上越走越远。(文/周烨彤)

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