The two of them traveled through the Tang Dynasty to open a supermarket, and the little Sizi was sup

A group of children waved goodbye to Xiao Ran, and the little princess hugged Xiao Ran before going to class.

Outside the window, Xiao Ran watched the little princess diligently attending class. With the classroom window open, he could clearly hear the little princess reciting her lessons in her sweet, childlike voice.

As soon as class ended, the little princess rushed out to find Xiao Ran.

"Little Nang-jun~" The little princess's voice was sweet and cloying.

Xiao Ran smiled and took the little princess's hand. "Sizi, do you want to play on the slide?"

The little princess nodded, "I want to play!"

Xiao Ran took the little princess to play on the slide. The little princess sat on the slide, and Xiao Ran gently pushed her. With this force, the little princess slid down instantly.

After the little princess came down the slide, she clapped her hands excitedly on the spot.

Hehe~ This is so much fun~ I want to play more~

Xiao Ran then led the little princess onto the slide once again.

The little princess wasn't the only child playing on the slide. The children in front of her generously offered to let her go first, but she refused.

"No ducks~ We're lining up, ducks~"

Xiao Ran patted the little princess's head with a look of satisfaction, "Yes, we'll just line up."

Soon it was the little princess's turn. She slid down again, letting out a string of silvery laughter.

Watching the little princess running around, and estimating the time, Xiao Ran said, "Sizi, come and have some water."

"I'm here~"

The little princess quickly ran towards Xiao Ran.

Xiao Ran took out the little princess's big cup, which contained watermelon Yakult made by Yu Shu. The little princess said she wanted to drink it yesterday, so Yu Shu made watermelon juice early this morning.

Fortunately, we have plenty of watermelons at home, otherwise we would have to go out and buy some.

The little princess held the cup and took a sip of watermelon Yakult.

Wow~ It tastes so good~

Princess Chengyang and Princess Gaoyang also held their own cups and drank juice.

"Mingda, what are you drinking?" a little girl asked with a curious look.

The little princess took the cup away from her lips, "It's so delicious!"

"Xi da?" The little girl looked puzzled.

Princess Gaoyang said, "It's watermelon, watermelon juice."

The little girl looked puzzled. "Watermelon?"

Seeing this, the little princess generously waved her hand, "Here's your cup~ I'll give it to you~"

The young girl was too embarrassed to accept it and quickly waved her hand.

"No, no, you can drink it yourself."

The little princess held the cup and shook it.

"I can't finish it all~ Let's drink together~ It's good to share~"

The little girl hesitated for a moment. After all, she was just a child, and how could she not be tempted by something delicious?

Princess Chengyang said gently, "It's alright, we have plenty. Why don't you call the others over too, so everyone can have a little and taste it?"

Watermelon and Yakult weren't particularly rare for the three little princesses, and since their classmates were all very kind, they weren't stingy with them.

Soon, upon learning that the three little princesses were going to share some delicious food with everyone, the children rushed over, with Cheng Chuli being the fastest to arrive.

The chubby little boy was quite agile; he ran all the way to the little princess, pulled her close, and whispered, "Are you really going to share your drink with us? What will you drink?"

The little princess nodded, "I've already slurped it all out~ Of course I have to keep doing it~"

As for what to drink, the little princess pointed at Xiao Ran and said, "I have Little Nangjun~ Little Nangjun has lots of drinks~"

Cheng Chuli thought for a moment and nodded, "That's true. By the way, a cow on my grandfather's estate died in a fall. We made some braised beef last night, and I brought a lot over. Shall we eat it together at lunch?"

Upon hearing the word "braised beef," the little princess swallowed hard. "Okay!"

At this moment, Princess Chengyang had already started distributing watermelon juice to everyone.

Nowadays, most children have their own water bottles, either obtained by exchanging little red flowers with Xiao Ran and his friends, or bought from the supermarket.

Because this water bottle is really convenient, at least much more convenient than a water bag.

Those who exchanged little red flowers for water cups mostly had the same big-bellied cups as the three little princesses, but the ones bought at the supermarket were all different.

Princess Gaoyang stood there organizing discipline, while Princess Chengyang distributed juice to everyone.

After the little princess finished talking to Cheng Chuli, she came over as well.

The child who received the juice looked at the three little princesses and said, "Sizi Fanyin Seventeen, thank you."

The three little princesses smiled, and one of them said in a lively tone, "You're welcome! Good things should be shared!"

Every child who came over to get a juice would say thank you.

After distributing the juice, he also shared the delicious treats he brought with the three little princesses. In the end, the three little princesses' table was piled high with treats.

Throughout the entire process, Xiao Ran did not interfere, but watched as the three little princesses handled the situation themselves.

Xiao Ran didn't stand up until the children placed snacks on the three little princesses' desks one by one and the school bell rang.

"Alright, class is about to start, everyone hurry back to your seats," Xiao Ran said.

The three little princesses looked at the snacks on their table, somewhat at a loss.

The little princess instinctively turned to Xiao Ran for help, "Little Nang-jun~"

Xiao Ran stepped down from the podium and said, "How about I put the snacks away for you first?"

The little princess nodded quickly, "Little Nangjun is the best!"

Xiao Ran tapped the little princess's nose, "You have such a sweet tongue."

Afterwards, Xiao Ran picked up the snacks and walked towards the office. He put the snacks on the table and hurried back to class.

Although Xiao Ran left the classroom, the classroom remained quiet.

Some children couldn't help but want to talk, but the little princess said sternly, "No talking!"

The children immediately quieted down.

So when Xiao Ran came in, he was still faced with a well-behaved little boy.

He smiled and said, "It seems you are all good children. You can keep quiet even when the teacher is not around. Keep it up!"

The children in the audience were very happy to be praised and became even more motivated, planning to be obedient from now on.

Xiao Ran turned around and wrote the title of today's lesson on the blackboard.

"Today we'll mainly talk about the structure of the Earth," Xiao Ran said. In previous natural science classes, Xiao Ran had mixed in subjects like astronomy, physics, and geography, but after a few lessons, he found that geography was more suitable for these children, so he planned to focus on geography in this lesson.

Xiao Ran said, "First of all, the first thing we need to talk about is the earth dragon turning over. Has anyone ever seen what an earth dragon looks like?"

A child quickly raised his hand, "Teacher, I've heard my grandpa talk about it."

Besides this child who had heard of it, other children also raised their hands one after another. However, these children were a little older and were all from Beijing.

"Teacher, I've seen an earth dragon turn over, it's terrifying!" one child said.

Another child nodded, "I've seen it before too."

He will probably never forget the fear he felt at that time, no matter how much time has passed.

Xiao Ran hadn't expected that so many children would have heard of or experienced such events, but then he thought about it and realized that there had been a major earthquake in the capital during the seventh year of the Zhenguan era.

"The so-called 'earthquake' is what we call an earthquake, or crustal movement. I know that many people have probably attributed this to divine punishment, but that's not the case. It's a natural phenomenon."

As he spoke, Xiao Ran drew a diagram of the Earth's structure on the blackboard with his bare hands.

He practiced this skill in secret for a long time.

The children in the audience looked at the perfectly round circle that Xiao Ran had drawn on the blackboard and clapped in surprise.

"Wow, the teacher is amazing!"

"This circle is so round, I just can't draw it."

Listening to the children's discussion below the stage, Xiao Ran suppressed his smile, then coughed twice and said, "Alright, let's not talk about that anymore. Let's continue talking about Earth. After the previous lessons, everyone should know that the place we live in now is Earth, and Earth is not a solid sphere."

As he spoke, Xiao Ran pointed to the layered Earth drawn on the blackboard, "This is the Earth's core, mantle, and crust. This is the part that belongs to the surface. In the outer layers, there are also the atmosphere, hydrosphere, and biosphere."

"The Earth's core, mantle, and crust are like an egg. The core is like the yolk, the mantle is like the white, and the crust is like the shell. Earthquakes, or 'earthquakes turning over,' are simply caused by the fracturing and displacement of rocks in the Earth's crust."

Next, we will begin to introduce the entire Earth's crust and its rocks.

"The so-called crustal rocks refer to the components of the Earth's crust, which are basically granite, basalt, etc. Granite has a lower density and is distributed on top of basalt, which has a higher density. It is mostly distributed in the continental crust, and in particularly thick places, mountains are formed."

Xiao Ran didn't go into too much detail; he just gave the children a general overview.

"The mantle is the transition zone between the crust and the core. The core, which is the middle part, is also divided into the inner core and the outer core. It is currently speculated that the outer core may be liquid, possibly liquid iron, while the inner core is believed to be composed of a very rigid solid iron-nickel alloy that crystallizes under extremely high pressure."

A child immediately raised their hand and asked, "Teacher, what is that solid alloy?"

Xiao Ran said, "This is a type of metal, like gold and silver, belonging to the category of metals."

The children in the audience nodded, seemingly understanding but not quite.

Just then, the little princess suddenly raised her hand and asked, "Can I dig up the Earth?"

Princess Gaoyang also asked, "Can you dig a hole through the Earth?"

The other children also came up with their own creative ideas.

"Teacher, if we dig a hole through the Earth, can we go directly to the other side?"

"Teacher, teacher, the earth is round, so what about the people standing below? Won't they fall down?"

Listening to the children's questions, Xiao Ran suddenly felt a headache and quickly raised his hand to stop them.

"Alright, alright, I'll answer them one by one. First, let's talk about digging through the Earth. That's impossible. Putting aside how thick the Earth is, just the temperature of its core is enough to turn anyone who gets close into dust."

"Not only the core, but also the outer core, and we don't have the tools to dig through the Earth, or even the tools to break the Earth's crust, so don't even think about it."

Sighs came from the audience, it was hard to tell whether they were from regret or something else.

Xiao Ran checked the time and said, "As for why the people living down there don't fall down, we'll talk about that in the next class. Now, I need to give you all homework."

Today's lesson was quite important, so Xiao Ran assigned homework. It wasn't really any questions; he just asked everyone to write down what he had taught in an organized manner in their notebooks. He would check it tomorrow.

Just as Xiao Ran finished speaking, the bell rang to signal the end of get out of class.

The little princess stood up.

"get out of class dismissed!"

"Goodbye, teacher!" The children said goodbye with much more joy than when they said hello to their teacher.

The little princess also quickly ran to Xiao Ran's side.

"Little Nang-kun~ Let's hurry to Qifan Duck~"

Xiao Ran pulled the little princess back, "Okay, let's go eat."

Xiao Ran brought the little princess to the cafeteria. At noon today, the cafeteria served stir-fried cabbage with vinegar, stir-fried pork, and other dishes.

Chubby Cheng Chuli plopped down next to the little princess and took out something wrapped in oil paper from his pocket and opened it.

Xiao Ran sat on the other side of the little princess, watching Cheng Chuli open the oil paper and reveal the braised beef inside.

Cheng Chuli was also a very generous chubby boy. He not only fed the little princess, but also shared with the little princesses of Chengyang and Gaoyang, and even gave Xiao Ran a piece of food.

Beef is a rare commodity, so Cheng Chuli is being incredibly generous.

Xiao Ran only realized it was beef after taking a bite.

"Is this beef?" Xiao Ran asked.

Cheng Chuli nodded, "Yes, it's from Grandpa's estate."

Xiao Ran was about to ask, "Isn't it said that you can't slaughter oxen without permission?"
The next second, he remembered that this kid's grandfather was Cheng Yaojin, and he fell silent instantly.

After a moment of silence, Xiao Ran finally asked, "Did the ox die from a fall?"

Cheng Chuli nodded, "Yes, Grandpa said he didn't know how he broke his neck."

Xiao Ran's lips twitched, realizing he needed to visit Cheng Chumo that afternoon.

The little princess had a piece of braised beef in her mouth, but after biting for a long time, she could only taste it and couldn't chew it properly.

"Seven is so difficult~"

The little princess sighed as she looked at the braised beef, which had only suffered minor superficial injuries.

My teeth are so clumsy~

Xiao Ran was charmed by the little princess's innocent words. She said that teeth that couldn't chew beef were clumsy, which was such an adorable description that he couldn't resist pinching her cheek.

"It's not that our Sizi has bad teeth, it will be fine when Sizi grows up."

The little princess looked up at Xiao Ran and sighed dramatically, "When will I grow up? Can my teeth grow up first?"

It's clear that the little princess is very unhappy with her teeth, which make everything difficult to chew.

Xiao Ran smiled and picked up a piece of stir-fried pork from his own bowl and put it into the little princess's bowl.

"If we can't finish the braised beef, let's have this stir-fried pork instead."

The little princess nodded and ate the stir-fried pork with her rice.

Cheng Chuli, who was standing to the side, kept asking, "Why isn't Sizi eating braised beef? It's so delicious." (End of this chapter)