"No, Sir also said, the higher the place, the lower the air pressure, and even no air!"

"And the necessary element of combustion is oxygen in the air, there is no air above the nine days, there will be a lack of oxygen, even if Kong Ming lantern has enough fuel, it will not fly up at a certain height, but will fall!" Lu Lingqi refuted like a proud little rooster.

Xu Sheng was also a little unconfident when he heard this.

Is this the case, did I miss any knowledge points.

Cao Wei couldn't see Lu Lingqi in the limelight, so he said, "Sir, you are right, are they all wrong!" "

Ye Qing smiled and said nothing, and then pointed his finger at Cao Ang.

As a disciple of the founding university and the best class leader, Cao Ang could teach others on his behalf.

Cao Ang stood up and said, "Sister Lu Ling is right.

What Xu Da said is wrong later, even if the problem of burning is not considered, it is impossible for the Kong Ming lantern itself to be unlimited ~ floating upwards! "

"Sir said, our world is the earth, the earth has gravity, gravity can pull to attract everything, and things on the earth want to fly out of the earth to get out of control, break free from gravity, the flight speed of the object must reach a certain value, and the object must also be able to bear the friction consumption generated by high-speed movement - to avoid direct burning."

Ye Qing clapped his hands and said, "See no, your squad leader has learned very solidly, applause!" "

Everyone clapped their hands together.

Cao Ang really said something like that.

Then Ye Qing led everyone to make handmade Kong Ming lanterns.

Everyone must participate in it, and finish their own Kong Ming lantern.

Let's not talk about whether it's good or not, the main thing is to do.

After a busy afternoon, everyone finally finished the Kong Ming lantern, although some were done independently, and some needed the help of others, but they all finished the works before dark.

"Very good, it's all done, eat dinner first, and after eating, let's put Kong Ming lanterns." Ye Qing said.

Everyone cheered, especially Lu Lingqi and Cao Xuan.

Kong Ming lanterns or something, the most tempting for girls.

Even Cai Yan, Cai Zhenji, and Sable Cicada were equally excited and looking forward to it.

"Sir, can I ask my mother and aunt to fly Kong Ming lanterns together?" While eating, Lu Lingqi asked.

Such a beautiful scenery, let your own mother also be happy and happy.

Ye Qing smiled and said, "Of course, if your Kong Ming lantern flies into the sky, your mother will be happy for you!" "

"Thank you sir!" Lu Lingqi didn't eat any more food, and ran out directly, she was going to the next door to inform the Yan family.

Ye Qing shook his head slightly, this girl was impatient.

"Cao Xuan, you can also call your mother to fly Kong Ming lanterns together, Cao Zhen, Xu Da, Pan Er, you are the same!"

"As long as there is anyone in the village who is interested, you can walk out of the house and look up at the works of your children, they will all be proud of you!"

When Cao Yi heard this, his expression darkened, and he did not show a happy look, but was in a low mood.

Because her mother was close to death, she died shortly after giving birth to Cao Xuan.

At this moment, I naturally miss my mother a little.

Cao Ang gently stroked Cao Qiu's head and soothed his sister.

Cao Xuan, Cao Ang, and Cao Wei are a mother, all born to Mrs. Liu.

"Sister Xuan, wait for Brother Xuan to come here, he will like it!" Cao Ang said to Cao Qiu.

The three brothers and sisters, who depend on each other for their lives, are naturally the closest among Cao Cao's heirs.

And Cao Xuan has also been a sick man since he was a child, all the good food and fun, Cao Ang and Cao Wei will naturally think of him.

It can also be regarded as another kind of longing for his mother, Mrs. Liu.

............

Zhendong General's Mansion!

"Oh, Mr. Ye took you to make a lamp that can fly to the sky!" Cao Cao couldn't help but be interested when he heard this.

Cao Ang said: "Father, this lamp is called Kong Ming Lantern, according to what Mr. said, it is exceptionally bright in the world, like stars!" "

"However, although Kong Ming lantern is fun, but pay attention to fire prevention, if it is blown to the ground by the wind, and the fire in the lamp is not extinguished, the hole will ignite the grass and trees, cause volcanoes, and endanger mountain and forest crops!"

Cao Cao stroked his beard and said, "I understand, or Sir has a foresight, I will order the soldiers to pay attention to fire prevention inside and outside the city, and as soon as they find that Kong Ming lanterns have fallen, clean them up immediately!" "

"Father, I and Sister Xuan want to take Brother Xuan to fly the Kong Ming lantern together, and Sister Xuan also wrote a word of blessing in the Kong Ming lantern, hoping that Brother Xuan can recover from illness as soon as possible and be healthy and healthy!" Cao Angsuo asked.

Cao Cao's brows frowned slightly when he heard this: "Your brother Xuan was born sick and weak, and he has been recuperating at home, and he is most afraid of the evil wind infestation, and if he goes out on this night, if he is infected with the wind and cold, I am afraid that it is..."

Cao Cao loves Cao Xuan very much, because among the three siblings, Cao Xuan is the most like Mrs. Liu, who also sees things and thinks about people, and Cao Cao also loves Cao Xuan very much.

I am most afraid that Cao Xuan's body will have problems again.

I am even more afraid that he will not be able to afford to get sick, and then die.

Cao Ang said: "Father, brother Xuan rarely walks around the house, less socializes with people and has fun, Kong Ming lanterns are extremely rare, I think he must also want to play lanterns with Sister Xuan and others, maybe when the mood is good, his condition will improve!" "

Ay! (Read violent novels, just go to Feilu Fiction Network!) )

Because Cao Xuan was ill, basically no one played with him, and Cao Cao did not dare to let others play with him.

Cao Xuan's childhood was naturally not happy.

As a father, he not only wants Cao Xuan to be healthy and healthy and not be disturbed by wind and evil, but also wants to see Cao Xuan happy and happy, play in the world, and interact with others.

Cao Cao was a little difficult.

Rub your temples.

"Father, what's wrong with you!" Cao Ang approached and asked with concern.

Cao Cao waved his hand, then motioned for him to go out.

At this time, Guo Jia just walked to the door of the hall, and when he saw Cao Cao's chasing Cao Ang, he couldn't help but be puzzled.

Then he said to Cao Ang, who came out, "Lord, what's wrong?" "

Cao Ang briefly explained the situation just now.

Guo Jia said: "It turned out that the school government received intelligence that someone would put a lantern in quotation marks tonight, I thought that someone wanted to make trouble in the city, but I didn't think that Mr. Ye wanted to put a sky lantern!" "

Guo Jia himself came to report this, from his point of view, although this lantern is fun, but it is very dangerous, and even has a large military use, can be used to call the command and spread information.

It should be taken seriously, in case someone takes the opportunity to make a mess, the consequences will be unimaginable.

"Grand Duke wait a minute, I'll persuade the lord!" Guo Jia motioned for Cao Ang to stay where he was, and then walked in.

Cao Cao thought that Cao Ang had returned, so he shouted sharply: "Needless to say, I won't agree, I'd rather see Xuan'er unhappy, than want him to lose his life and never see him again!" "。

Người mua: sabmado

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