Chapter 322

During this period of time, Yang Yiyu and Yang Yiming, two little children, gradually became independent.In terms of study, Yang Yichuan didn't need to urge him anymore. With classmates, he became much more active.As for the mathematics course, the two of them quickly caught up with the school's progress, and even surpassed it to a certain extent.

As for the two courses of physics and chemistry, it is also because there are many restrictions. Physics is not bad and I have learned a lot.In terms of chemistry, it is just for fun now. For more in-depth things, now I can only explain some simple and basic things.

The two of them have changed a lot after studying hard. Yang Yiyu has become stronger, and Yang Yiming has also lost weight from his previous short and fat state, and has also grown taller.However, Yang Yiming is still a little timid and timid, at least when facing girls, he still blush easily, and this has become Yang Yiyu's "little trick" to tease Yang Yiming.

For this school outing, some city guards were also sent to protect the children in the school. After all, children can be said to be the future.

When Yang Yichuan was busy with many things, Yang Yichuan naturally went along with the spring outing at the school.

It was just a little fun and relaxation. After all, there are a lot of things to do after returning to Xihe City.Especially the second generation of this psychic power system, which is already half completed, and the next half is the transmission method, and the chain can no longer be used.

These are the things that Yang Yichuan needs to pay attention to next. The most important thing now is to wait for the power conversion part of the power system to be completed before considering the follow-up matters.

After the spring outing, this interest class is finally about to start, and the content taught will naturally be the follow-up.Yang Yichuan planned to specially select and train these talented and interested children to become a new batch of R&D personnel.

According to the housing price habit of Xihe No. [-] School, two days of classes are given and one day off.Therefore, this so-called weekend has become the time for making up classes for interest classes.There is no need for Yang Yichuan to teach these courses for the time being, because at the beginning, he just went through what he has learned.And about mathematics, Yang Yichuan asked Sun Liangde to teach the previous part. Sun Liangde still has a little research in mathematics, at least most of the content in elementary school and junior high school is fine.

On the weekend, this interest class finally started.

The more than 30 students in the class sit in the classroom, and as for the seats, they sit by themselves.Yang Yiyu and Yang Yiming still found their seats and sat at the back of the table where they were originally at the same table. The teacher in class was Sun Liangde.

Although Sun Liangde is the vice-principal in name, he is usually a substitute teacher. It can be said that he is the best math teacher in the school.However, this level, in Yang Yichuan's opinion, is the level of junior high school, not even high school.

"Students, I am very glad that you can sign up for this interest class. This interest class is aimed at talented and interested students like you. You have also seen it in the library. There is no end to learning. There are not only many courses , and every course is vast and boundless."

'"I am also honored to be your math teacher and teach you some math knowledge."

Afterwards, Sun Liangde stopped talking nonsense and led the students to start the review first, reviewing the knowledge learned in the past two years.The mathematics class arranged two lessons, both in the morning, and the content of these two lessons was just a review, and by the way, guided the students, raised some new questions, and aroused the students' thinking.

These questions are related to follow-up content, such as questions related to linear equations in two variables, chickens and rabbits in the same cage, age calculation and so on.

However, among these students, there were already people who could answer such questions. There were two of them. One of them was Yang Yiming's deskmate, a girl named Fang Yuwei.The other is a boy named Zhou An.

The afternoon classes are physics and chemistry, one class each, and Yang Yichuan is the teacher.To be honest, there is no more suitable candidate for this course except Yang Yichuan.

Actually, physics is fine now, it involves some things, from the first three states, some physical phenomena.Yang Yichuan finally touched on a point that can be seen everywhere in physics, that is force.As for electricity and magnetic fields, Yang Yichuan planned to wait.

"Today's review content is almost the same, and there is still a little time to give you a head start. That is the big problem you will face next, Li."

"In physics, force is absolutely inseparable. After all, stillness is relative, while motion is absolute. As long as there is motion, the word force must be involved."

"For example, this small wooden block is on this smooth table. If I don't push it or move it, will it just stay still on the table?"

"But if I push it like this, it will move. But if I don't push it, it will stop. If I push it hard, that is, the more force it will run, the faster it will run. Even when I don't push it, it will stop. You can also continue to run for a certain distance, and finally stop."

……

Yang Yichuan used the small pieces of wood and iron that often appeared in mechanics to arouse the interest of the students with some phenomena, and he had to learn and teach them slowly in the following courses.

As for the chemistry class, we only briefly introduced some chemical elements to everyone, as well as some common chemical reactions.

Of course, Yang Yichuan did not forget to do a small experiment, that is, a series of small experiments on quicklime and water to form calcium hydroxide, and then reacting with carbon dioxide to form calcium carbonate, and the reaction between iron and calcium hydroxide.

As for the experimental equipment, there are glasses, but are there any shortages of glass cups, test tubes, alcohol lamps, glass bottles, glass rods, etc.?
Driven by Yang Yichuan's small experiment, the students' interest was actively mobilized.It's just that in terms of chemistry, there are too few things that can be taught to these students now.

Yang Yiyu and Yang Yiming were also very interested, especially when one thing turned into another thing inexplicably. It was really amazing.

"Brother Huang, Brother Huang, the wire really disappeared, and then it reappeared, what's the matter?"

Yang Yiming immediately added, "Precipitation, iron hydroxide precipitation, it's amazing."

Yang Yichuan smiled and put his hands on the shoulders of the two younger brothers. "You two, this world is so big that we can't even imagine it. This world is also a very small part. Just like I told you, molecules There are atoms, too small for our eyes to see.”

"From now on, it's up to you to continue studying, discovering and researching, to see the wider universe and the tiny world." Yang Yichuan also encouraged the two of them. Compared with Yang Yize and Yang Yiwu, Yang Yichuan preferred this Two people, maybe because they are younger, maybe because they have motivation and goals.

(End of this chapter)

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