Chapter 839: 1 bold idea (3 in 1)

"God, why will it be warmer to the south?"
Wu looked at Han Cheng and asked, his eyes full of puzzlement.
The witch has been in this doubt for a long time, but seeing that the son of God has been talking happily there, he didn't say it, waiting for now.
After Wu asked such words, the senior brother and others were also taken aback, and immediately reacted.
Yes, why does it get warmer when you go south?
Shouldn’t the south be similar to your own tribe?
Especially Mao, who is even more puzzled about this, he took the trade team with them, but they often went south.
Moreover, the original Huangguo tribe was to the south of the tribe, but that spring, I, Shang and others, and the people from the Huangguo tribe almost couldn't come back.
It's not warm at all over there.
After hearing Wu's question, Han Cheng couldn't help but stunned.
As a person living in the northern hemisphere, the more you go south, the warmer you are. Isn't this kind of common sense?
Belonging to children in later lives knows things.
After being stupefied like this, Han Cheng laughed.
I subconsciously looked at things based on the deep-rooted thinking of later generations.
However, this kind of thing may be able to silence some people's questions, knowing that this is a common-sense question, but they can't tell the reason.
For Han Cheng, who came from a serious liberal arts class, there was no problem.
After all, at the beginning, among the three minor subjects of liberal arts, the best he studied was geography.
What longitude, latitude, twilight line, perihelion, aphelion, tropic, heat rise, cold fall... these are simply not too random.
Han Cheng spoke softly and shook his neck, thinking it was time to start his performance.
"The south is hotter than here because the south is closer to the sun.
The sun is a big fireball, just like we are roasting a fire. If you are far away from the fire, your body will be cold, and if you are closer to the fire, you will become warm..."
"Then why is the southern side closer to the sun?"
I don't know when the stone came over, suddenly blinked his eyes and asked out loud, succeeding the witch, incarnate into a hundred thousand why.
When he was not an adult, Han Cheng coaxed and flicked the stone of Flying Dream. It can be said that he is very interested in this aspect.
Now that Han Cheng said this, he was immediately attracted.
"This is because the earth we live in is a sphere. The southern part is the center of the sphere, which protrudes a lot, so the upper part is close to the sun."
After saying this, they didn’t understand much when they saw the witch. They thought about finding a bigger round fruit and putting it on the ground. A small wooden stick was inserted not far away, and another thin one was found. The rope was tied to the wooden stick, and then he pulled the rope with his hands and began to measure the round fruit.
The first comparison is the middle position of the fruit. After the comparison, the next mark is made on the rope.
Then compare the top of the fruit.
Everyone was surprised to find that a rope of the same length can reach the middle of the fruit but not the upper part of the fruit. If you want to reach the uppermost part of the fruit, you need to use a longer rope.
"For example, the place where the stick is inserted is the sun, and this fruit is the earth we live on. Is the middle part of the fruit the closest to the sun?"
At this time, Han Cheng was completely transformed into a high school geography teacher, but when his geography teacher was talking about this, he used not the fruit, but the back of the guy in the front row.
Although the tools are simple or improvised, the effect is still relatively good. From this intuitive observation, the people in the tribe are the same as the original Han Cheng. They immediately understand the distance between the ball and the equator. The most recent truth of the sun.
"As for you've been to the south, you feel that the south is the same as where we live, and it's not warmer than our tribe. That's because you haven't gone far enough south, and it's too close to our tribe.
Going harder for a certain distance south, it will get warmer.
You can ask the old primitive people about this. They used to live in the north because of the persecution of the Teng Snake tribe, and then they were frozen back by the cold over there..."
Han Cheng continued to explain, and cited the Feng and Nefeng tribes who had migrated to the north and then returned to the north.
This problem is understood, but new problems have appeared.
"God, this... how could this place be a ball? Isn't it a flat?"
The opening is still the stone.
After these words were spoken, the rest of the people were also very puzzled or looked at their son in surprise.
For them, this is even more incomprehensible than the south is warmer than the north.
You know, they have been living on the earth since they were born.
On this ground, there are mountains, ravines, rivers, and flat land... How can it be round?
Fortunately, what Han Cheng is facing at this time is these primitive people who don't know anything and whose thoughts are like white paper. If he is facing those extremely stubborn, extremely self-righteous cynics, he will definitely be sprayed into a sieve by verbal criticism. !
In an era when there is no full picture of the earth, it is very difficult for this person in the tribe to accept the view that the ground under their feet is round, because it is so different from what everyone sees. .
However, such things are not difficult for Han Cheng, who made him a man of liberal arts background.
Moreover, it was influenced by the geography teacher at that time, especially the kind that would draw materials from anywhere to explain the model.
Seeing everyone's doubts, Han Cheng didn't rush to speak, but rather calmly found a model of the earth.
That's right, it's the fruit just now.
"Look carefully at the surface of this fruit."
Han Cheng held the fruit in his hand for everyone in the tribe to see.
The people in this fruit tribe are very familiar. Every one of them has eaten it before, and there is nothing good about it.
But despite this, everyone still carefully observed Han Cheng's request.
"Have you found anything?"
After a while, Han Cheng looked at everyone and asked with a smile.
Everyone scratched their heads in doubt, and then continued to stare at the fruit, but also did not see a flower.
Wu Wu and two Stones also found nothing.
"Is this round-looking fruit uneven on the surface?"
Han Cheng smiled and said to everyone.
Everyone was reminded by Han Cheng, and suddenly realized that it was indeed the case.
Just after a sudden, they became confused again, because they didn't figure it out, what did it have to do with the question they asked the Son of God.
"If you expand this fruit vigorously and vigorously, will these small protrusions on the surface of the fruit become like these peaks and hills? Will the lines on the surface of the fruit be the same as we see the gully? ?
The earth we live on is just like the fruit in my hand. Although the surface is uneven, it is still a ball. "
Han Cheng laughed and said to everyone in the tribe.
Some people didn't react for a while, but some people understood something.
The stone moved his gaze away from the round fruit in Han Cheng's hand and landed on the hill leaning on the back of the courtyard. At the same time, he had seen something that was much larger and higher than the hill in his mind. mountain.
After watching this for a while, he moved his gaze back to the distant fruit held in Han Cheng's hand. Looking at the small bumps on the surface of the fruit and the shallow ravines, his expression gradually became extremely shocked.
Such a tall mountain on the earth is like these small protrusions on this fruit. How big is the earth that the Son of God said!
Looking at the look on the stone, Han Cheng smiled. He knew that this smart guy understood what he was saying.
"The reason why we feel that the land we live in is flat is that the earth we live in is really too big, coupled with the barriers of mountains and rivers on the surface, such a small gap, we usually experience it at all. Does not come out.
However, when the field of vision is wide enough and the ground is flat enough, you can realize that the earth is round.
At that time, we saw trees growing in the distance. The first thing we saw was the top of the tree, and the last thing we saw was the bottom of the tree..."
Han Cheng smiled and continued to share science with these people in the tribe.
There was a time when Han Cheng had a plan. When people in the tribe asked how the mountains and rivers came, they would bring out the legend of the great God Pangu.
When asking about the shape of the earth, explain it in terms of a round sky.
Because this explanation is very similar to what everyone sees on ordinary days, and it can make people understand better.
But today, these thoughts of his changed suddenly.
Because he realized that if he did this, the descendants of the Qingque tribe would not know how many detours would be taken.
I don’t know how many years it takes to know that the sky is endless and the earth on which we live is round.
Compared with such a thing, the incomprehension at this time is not difficult at all.
And when talking like this, Han Cheng also raised a bold idea.
After he released the fact that the land he lived in was a huge sphere, afterwards, the descendants of the Qingque tribe, would anyone have the idea of ​​raising the world so big, I want to see it?
Then he took the fleet on a long voyage, embarking on the feat of voyage around the world, and by the way, made a great geographical discovery.
Then began the era of the Qingque tribe's descendants all over the world, and brought back all the American peppers, sweet potatoes, corn, potatoes, etc., by the way, let Mandarin become the only official language...
This matter is particularly exciting just thinking about it.
"In fact, the earth is not just a sphere, it is still spinning."
Han Cheng talked about the rise today, so he didn't even peel off the rabbits. Together with Wu and the others, he came to the big blue brick house and told everyone more about astronomy and geography.
Because the inside of this room is much warmer than the outside.
At this time, more people came to listen to what Han Cheng said.
Han Cheng thought for a while and asked interested people in the tribe to come over and listen.
It's also time to give everyone in the tribe a good knowledge of these aspects.
Knowing these aspects of knowledge can greatly broaden the horizons of the tribesmen, and it will make people's landscape larger in a subtle way.
After a certain level of development, you will be arrogant thinking that you occupy the center of the whole world and start to complacent.
After everyone came here, Han Chengcheng began to tell everyone in the tribe about the rotation of the earth.
After saying this, the people in the tribe were even more surprised.
For them, this is more incomprehensible than the earth of life is a sphere.
The earth is always spinning, and I and others have never felt it!
I remember that when I was not growing up, I turned around for a while and my head would dizzy.
Now the earth of life is always spinning, so why didn't I feel dizzy?
"This is because the earth only rotates once a day, and it rotates very slowly, so I don't feel dizzy. If you don't believe it, if you rotate slowly on the ground, try to see if your head is dizzy?"
Han Cheng smiled and said to those people in the tribe who were curious to keep their heads from dizzy.
"Why is there day and night? Why does the sun rise from the east and set in the west?"
After a few people followed what Han Cheng just said, and slowly turned around, and found that their heads were not dizzy at all, Han Cheng smiled at the crowd and threw it out again, which seemed simple but enough to make them lose their hair. problem.
As expected by Han Cheng, everyone in the tribe was immediately caught blind after these two questions were raised.
Why is there day and night? Why does the sun rise from the east and set from the west?
This……
These things have been like this since they were sensible!
They exist in this way, how can there be a reason!
Everyone scratched their heads, and even the witches, circles, and stones who thought they were smart were speechless when asked by this seemingly ordinary question.
Han Cheng couldn't help but smile when he saw this.
At first glance, these two very common problems were actually unsolvable problems before the development of modern science.
The ancient ancestors, faced with this inexplicable problem, began to give full play to their thinking, so the golden crow, Xi driving the sun god, and these mythical stories representing mysterious powers appeared.
"This is because the earth is spinning."
After waiting for a while, Han Cheng began to explain why.
After Han Cheng gave this answer, everyone in the tribe was puzzled. They really couldn't understand the connection between the earth's rotation and day and night, and the sun rising and setting west.
Han Cheng knew that everyone was confused, so he smiled and said, "You will understand what's going on when I demonstrate it."
Speaking of asking people to close all the doors and windows of the big blue brick house, and put down the animal skin curtains that do not transmit much light, the whole big blue brick house was immediately plunged into darkness.
When everyone was curious, there was a fire light in front. It was Han Cheng who blew the fire and lit the oil lamp.
After doing this, Han Cheng used his nails to make a mark on the fruit.
Then hold the fruit in his hand again.
But this time is different from before. Instead of holding it with your hands, you pinch the ends of the fruit with your thumb and forefinger and tilt it slightly to make a simple globe.
Then move the oil lamp in front of you.
"This oil lamp is equivalent to the sun hanging in the sky at this time, and the fruit in my hand is equivalent to the earth where we live.
On the fruit, the mark I made with my nails is equivalent to the location of our tribe on the earth. "
Han Cheng looked at everyone in the tribe and spoke.
In the entire blue brick house, only Han Cheng's voice sounded.
The rest of the people were all attracted by the two questions that Han Cheng had raised before and what they were doing now.
They are listening and watching attentively.
From the Son of God, I want to understand why there are day and night, and why the sun rises in the east and sets in the west.
Han Cheng glanced at the people, seeing that they were all extremely serious, and he was very satisfied.
Dang Even continued: "Look, now the fruit in my hand is illuminated only on the side facing the light, and the other side is not illuminated by the light.
The side that is illuminated is the day, and the side that is not illuminated is the night. "
Everyone thinks about what they see during the day when there is sun, but there is no sunlight at night, and compare it with what Han Cheng is doing now. It is easy to understand the difference between day and night.
"Everyone is optimistic. Now the earth is turning. At this moment, the spot that represents our Qingque tribe is being illuminated by light, so it is daytime..."
As Han Cheng spoke, he began to slowly turn the fruit in his hand with his other hand, from west to east.
As Han Cheng turned, the mark that was originally illuminated by the light, which represented the location of the Qingque tribe, slowly moved to a place out of the light.
"Look, now there is no light, and darkness will fall."
Han Cheng said this, paused for a while, waited until everyone could see clearly, then continued to turn the fruit in his hand.
Still turning from west to east.
After a while, the imprint on the fruit reappeared from the darkness back to the light, illuminated by the light.
"Now, the earth has turned around, and the sky has brightened again."
Han Cheng stopped his movements again, looked at the people in the tribe, and said with a smile.
Everyone stared at the fruit illuminated by the light in Han Cheng's hand unblinking, and recalled the magical scene that the Son of God showed them through this fruit just now.
Someone showed surprise and thought, as if there was something incomparably mysterious, slowly opened in front of their eyes, and the whole world suddenly became wide.
Some people looked at these, full of curiosity, felt that this had never seen things, and the rhetoric was very novel.
Some people are scratching their heads with their hands.
The things in front of them, Ming Ming Shenzi had already said very clearly, they all looked at it, but they just couldn't understand what they meant.
Why did the earth turn, what changed from day to night, how did the little dots on the fruit become its own tribe?
But although I can't understand it, it still looks very advanced and reasonable.
Everyone reacted to Han Cheng's eyes, as did those who scratched their heads.
But Han Cheng was not frustrated by this.
This matter does not need to be understood by everyone, only some people need to know it.
Moreover, this is only the first time he has talked about these things in the tribe, and many people in the tribe are struggling to understand it.
Because even in later generations, many liberal arts students still have a headache for geography, especially when it comes to the twilight line, the calculation of latitude and longitude, and so on, they want to bald their heads.
Some people don't understand at this time, it's really normal.
Even Han Cheng was very surprised when he looked at the few people who were stunned or conscious.
I found some talents in the tribe again!
After a pause, Han Cheng continued to repeat the actions just now, and tried his best to describe the relationship between the rotation of the earth and the day and night, so that more people could understand.
After a while, Han Cheng began to ask:
Many people already understand how day and night come about. Now I want to ask if anyone knows why the sun rises from the east and sets from the west. ?"
After speaking, everyone looked at everyone with big eyes and small eyes, and they didn't understand what was going on.
Shishi and other people who understood what was going on during the day and night, vaguely had some thoughts, but they just couldn't catch it.
When Han Cheng saw this, he was not in a hurry, but said: "Look at the movement of the earth again."
Speaking, he continued to slowly turn the slanted fruit in his hand.
As he turned, on the fruit, the mark representing the blue bird tribe was illuminated by the light for a while, and then hidden into the darkness for a while.
"God! I see!"
Looking at Han Cheng's moving stone attentively, his eyes became brighter and brighter. After a while, he finally yelled in surprise and raised his right hand high.
"Then tell me why."
Han Cheng stopped his movements, looked at the stone and said with a smile.
"It's because the earth rotates from west to east!"
After getting Han Cheng's permission, Shishi suddenly stood up from his seat and said excitedly, especially like the minors he taught before.
Han Cheng cast a approving look at Shishi. Shishi's words were on the point.
"Let's talk about it, and see if I can say it in more detail."
After Han Cheng recognized Shishi's answer just now, he looked at him and said with encouragement. UU reading www. uukanshu.com
"This one……"
Stone didn't know what to say for a while.
Han Cheng turned the fruit in his hand as a globe in a timely manner.
"Yes, because when turning from west to east, the easternmost part of a place is first exposed to sunlight, and when the sunlight finally disappears, it disappears from the west of that place..."
After thinking for a while, Stone spoke again, with some uncertainty.
"Awesome!"
After Shishi's words fell silent, Han Cheng put the fruit in his hand on the table, and gave the Shishi a double thumbs up, giving the highest praise to Shishi's words.
Even though Han Cheng made the reminder, but to be able to say such a thing, the stone can also deserve Han Cheng's praise!
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