Chapter 1002 is lively

It was already afternoon when Tiao Chen was ready, Chen Zhaoming and Su Zhe were also reading and writing, and the three of them stayed in the small courtyard for an afternoon, and they were silent and silent.

After writing almost another 5,000 words, Su You put down his pen, grabbed the pair of walnuts on the table that had accompanied him from childhood to adulthood, and walked out of the study playfully.

I was just immersed in my own thoughts, and I forgot the two babies in the patio, and when I went out, I found that two pairs of skates were lost on the patio, and I didn't know where to go.

Walking out of the compound, I found that the two children were pestering Zhang Erwei threshing floor, and they had a big heart to turn the entire playground threshing floor into a big skating rink.

Su You called the two children over: "We must pay attention to efficiency in doing things, and when Second Uncle Zhang builds a fence, we can't be idle." ”

Flat Jar ran over: "Daddy, what are we going to do?" ”

Su You took the colander from the hand of Zhang Erniang, who was watching the excitement on the side, and hugged it: "Your task is to complete a small waterwheel, but you can also automatically draw water from the flowing ditch and use it to pour out this skating rink." ”

Bian Tank tilted his head and thought for a moment: "The kind of hydraulic overturn in the Southwest Agricultural Book?" ”

"Hey!" Su You smiled: "You still have turned over your father's book?" That's right, but I'm reminded that you can make a simplified version, as long as you can use it. I see a lot of bamboo shoot shells burning in the firewood room......"

"Thank you, Daddy!" The flat tank is also very flexible in this regard, and he pulled Wang Yanbi away.

Bamboo shoot shells, bamboo sticks, chopping pigweed knives, scissors, fine hemp rope, the two babies set up the battlefield on the grinding plate next to the house.

As long as the requirements are not too high, this handicraft is actually simple, the flat tank and Wang Yanbi's small head together, the round wheel is changed to a hexagonal, and then the bamboo shoot shell is used to make the paddle, drive the oblique bamboo tube tied to the wheel, and after a while, a rough small waterwheel will be done.

Put it on the ditch, and the waterwheel was washed by the current.

Seeing that the water brought out of the bamboo tube was diverted to the threshing floor by the cut bamboo tube, Zhang Er was a little surprised: "The two little masters are really smart!" ”

Wang Yanbi added a large bamboo shoot shell to one end of the bamboo trough, and almost all the water was caught, and the water flow in the trough suddenly became much larger.

"Also!" Bian Can and Wang Yanbi were very excited: "It's a success!" ”

The colander also followed his brother and slapped excitedly: "Yes! ”

Su You is also very happy to be able to think of transforming the waterwheel frame from a circle to a hexagonal shape, which is convenient to make, in fact, in the simplest way, using the most stable principle of equilateral triangles, the waterwheel is made with hemp rope, which shows that the two children are actually moving their minds, and it also shows that the mathematical foundation is very solid on weekdays.

An eight-year-old and a six-year-old, hehehe, Sima Junshi, Wen Xianggong, in the future history books, you may be compared......

The first one was made, the second one was simple, and the flat jar and Wang Yanbi made several more and put a row along the ditch.

During the meal, the flat can still remembered the ice rink: "When will this be filled?" ”

After eating, Su You found three wooden sticks: "Didn't you care when it would be filled just now?" Then let's measure it and do the math. ”

Bian Can and Wang Yanbi were very curious: "How to measure?" ”

Su You went to the tool room and took out a long ruler, measured out a one-meter-long rope, tied rope loops at both ends, put a wooden stick on it, and then opened it.

Stretch it to the ground with the largest pestle, then cross the top of the stick, let Wang Yanbi hold it, and tie it with a rope.

Flat Jar probably saw something: "Daddy is going to make a compass?" ”

Su You smiled: "Exactly! ”

Next, let the two children break the bottom of the tight rope, tie the third wooden stick to the two wooden sticks, and use the principle of triangular stability to make a foot gauge with a distance of one meter between the two feet.

With this, it is possible to flip while walking, and it is an "artifact" for calculating the land area.

This is also fun, the threshing floor is rectangular, which can calculate the area, and then calculate the volume.

This involves hands-on, measuring, and calculating, and the two children are very interested.

Su You drew a schematic diagram to inspire the children to learn to calculate the volume on their own, and then sent them to measure.

When the measurement came back, Su You had already vacated a bookbox of his own: "This contribution is made for you to make a measuring tool, use it to catch water, record the time of receiving water, can you calculate how much water a waterwheel can draw in a minute?" ”

"Multiply by the number of waterwheels, does it get how much water the waterwheels can provide to the ice rink every minute?"

"We can calculate the total amount of water needed for this large ice rink by calculating the thickness of the ice surface of five centimeters, and divide it by the amount of water drawn by the water wheels per minute, can we calculate the time it takes for the ice rink to be built?"

This is a calculation problem about multiplication and division, and Bian Jar and Wang Yanbi have calculated a lot on weekdays, but it is the first time that they have been applied in practice.

Applying what they had learned and being full of interest, the two children carried the small bookcase.

It took a long time to figure out that the playground could be turned into an ice skating rink in about eight hours.

Su You checked their calculations and said with a smile: "The error of this measurement is actually very large, but no matter how big it is, it can't be as big as half a day, so tomorrow morning, the ice rink can be built." ”

When he got up the next morning, Bian Can and Wang Yanbi pushed the door open: "Wow-"

A large skating rink has been built.

Su You walked out of the door: "You guys did a very good job, only a few small details didn't notice." ”

"There is warm water in the ditch, and if you keep irrigating it, the water temperature near the waterwheel will not come down, and the ice rink will not be able to grow."

"And how do people walk after the whole playground is occupied? Therefore, it is necessary to spread sacks around the ice rink to make it easier to walk. ”

Seeing that these things were already set up, the flat can said: "Then who helped us do it last night?" ”

Su You said: "Maybe it was your love of learning and exploration that moved the immortals, and they came to help you two in the middle of the night?" ”

The flat jar hugged his father: "Daddy lied to people, you must have done it secretly when you got up in the middle of the night, right?" Thank you Daddy. ”

Su You couldn't help but lament: "The attributes of your science and engineering are too strong, I'm afraid there will be problems in the liberal arts in the future......"

But the rules are the rules, and the morning exercise still has to be practiced, especially Zhang Er, who was killed by the gods, saying that winter training is the most important time to hone your will.

Su You's attempt to exchange the credit for the skating rink's magnanimity in exchange for the flat tank has failed.

After breakfast, the babies played on the ice rink, and there were only two children with skates now, but Su You made a few ice ploughshares with bamboo chairs, and there was a lathe on the Zhuangzi, and the car wood gyroscope was relaxed and happy.

Knocking a round-tipped nail at the bottom of the top and pumping it on ice with a leather rope is not any ordinary fun.

This tube is enough, Su You also found oil paint for the babies to color their spinning tops, and the colors were mixed together as soon as they were drawn, which was also a magical experience.

The babies are crazy on the ice, the men are busy clearing the pond and driving the pigs, and the women are busy smoking and drying the fish.

Entering the winter month, there are more things to prepare for the New Year, there are many pigs in Sujiazhuang, and killing New Year's pigs is also a big deal, so it is better to do it sooner rather than later.

Zhuangzi on the big black pig fat, some families are afraid of poverty, raising pigs are reluctant to kill, as a result, the pig grew to more than 300 catties after the New Year.

In the end, the family did not eat, and was bought by the magistrate with 30 yuan and sent to the capital as an auspicious newspaper.

You can't do that stupid thing this year, Hachiko waved his hand, and his tone was full of violence, coldness and cruelty: "Kill, kill from house to house!" ”

Sujia Zhuangzi doesn't need to invite outsiders to kill pigs, and the men in charge of the village are all at the bottom of dozens of lives, and there is no psychological pressure to kill a pig.

So there is a big thing today, putting down the ten fat pigs raised by the eight princes.

The hoarse screams of the big pigs made Su You unable to continue writing, so he simply came out of the house to watch the excitement together.

The big black pig was tied up on a bench with five flowers, Zhang Er stepped forward and pulled out the sharp knife at his waist, and as soon as he collected it under his neck, a bloody arrow came out and sprayed into the wooden barrel that had been prepared.

"Good!" Su You applauded: "This little red craftsmanship is absolutely amazing!" ”