Chapter 967: I really want to play with my sister (4/4, for Ning Xiaojia's Wanjue plus)

Xiao Yan thinks that the jar is not a good thing, and it is the most unpalatable thing in the world! Xiao Yan did not understand why her sister and father were interested in the jar. He was kind enough to stop the sister from touching this terrible thing.
But Murphy thought he was going to make trouble, he held him in his arms, not letting him move, the little guy was "hurried" and wanted to escape the of his mother.
No! Let me go, I am going to save my sister!
"Wow!" Suddenly, Xiaoyan’s ear heard the excitement of her sister’s cheers. He suspiciously stopped the action, raised his small head and looked at the past.
Of course, Xiao Yan will not pay attention to the details, he just saw his sister and Dad are looking around the big bottle.
If it's an animated cartoon, there should be a lot of question marks on the little guy's head at the moment: What happened? So excited for my sister?
Xiao Yan didn't see it. At this time, the eggs in the glass bottle had already floated in some white water. Although it is only suspended in the water, this change is enough to make you scream in surprise.
"Hey, the eggs are floating up!" He turned his head and excitedly reported to his father.
"I haven't fully floated yet, try adding some salt to it." Yang Lan encouraged him to finish the experiment.
Of course, there is no need to repeat the following experiments. It is nothing more than adding more salt to make the eggs surface.
What is more surprising is that there is any magic power to let the eggs float out of the water?
This is not. After growing up, I haven’t asked why, for a long time, and today I asked my father with great interest: "Hey, why is this?"
This scientific principle is not difficult to explain. The hard part is how to explain it so that you can understand it. Now you can't understand what buoyancy is, what is the weight or density.
Therefore, Yang Lan grinded a little, first said: "Hey, do you think it is heavy, or is the egg heavier?"
Thinking about it with a small head, I chose water.
"Because it is very heavy, I can take it hard!" He pointed to the glass bottle filled with water and said seriously, "But the eggs are very good!"
Yang Lan understood his own loopholes, and he took two identical cups and eggs and started to demonstrate.
"Look, I am putting eggs in a cup, adding water to a cup, but I added this water, the size is about the same size as an egg." Yang Yan smiled and handed two cups to him. "You look at it now." Which one is heavier?"
However, this weight difference is still very small, and it is not enough to measure it.
Yang Hao had to go to the kitchen to weigh the weight of the small electronic scales, compare the weight data of the two, and finally got the answer.
"Now do you think that the water is heavier or the eggs are heavier?" Yang Yan asked with a smile.
"Eggs are heavy!" The reaction was very quick, keeping up with Dad's thinking speed.

In addition, do you think the same size of iron is heavier? Or is the same size of wood heavier?
Yang said.
I don't have to experiment, I also know how to answer this question. I only listen to her crisp response: "The iron is heavier!"
"That's right. Under the same size, the iron is heavier than the wood. The egg is heavier than the water. The reason we call it heavy is called its density!" Yang Lan still uses iron and wood. The metaphor, "meaning that it is stuffed with more and heavier things in this small body."
I don’t know how to understand.
It is really difficult to explain, but Yang Lan feels that if he says more, he will know more in the subtleties, and he will be able to understand some of his scientific knowledge later.
"Well, this dense egg can sink into the bottom because it is heavier than water. You say yes?" Yang said with a smile.
This cockroach can understand that the little girl has a small face and a small head.
"Then we add salt to the water, the salt will be integrated into the water, so when we drink salt water, we will feel the salty taste." Yang Lan made a relatively fresh metaphor, "It is like, we are back With a school bag carrying things, now we have to open the zipper and continue to stuff things inside, so will it become heavier?"
"Yes!" He continued to nod.
"That's why?" Yang Xiao smiled and gave a small question.
"Because, because..." I still couldn’t understand it. At this moment, she was confused again in the face of her father’s problem.
Murphy listened with a sigh of relief. After seeing it for a while, she said that she understood that she couldn’t answer her mouth with a mouth open. She couldn’t help but say:
Don’t your father just say it? Because its density has increased. So it has become heavier!"
Yang Xiao smiled and said: "It doesn't matter, we understand now that after adding salt, the salt water will be heavier than water!"
"I know, I know, because it has salt!" Hey, now actively rushed to say.
"Yes, if you continue to add salt, it will become heavier!" Yang Lan is not going to talk about the concept of more profound solubility, just saying, "Because salt water becomes heavier, when it is heavier than eggs," Will the light egg float up?"
I heard the eyebrows dancing, I don’t know if I really understood it. Anyway, I was nodded.
"We can see today's findings and can be applied to a wider range of examples!" Yang Xiao said with a smile. "For example, do you think that swimming in the sea? For example, in summer, we go to the seaside in the coastal area. Is it easier to swim in the freshwater swimming pool of our home, and it is easier to float in the water?"
Where do you remember these two feelings? However, although she could not compare which of the two swimmings is easier to float, I still understand what Dad wants to say.
I saw the little girl smile and said happily: "I know, I know, because the sea is salty! There is salt!"
"Yes!" Yang Hao raised his thumb with praise.
"Hey, hey, let's play another experiment! It's so interesting!" After waiting for Dad to finish these principles, he couldn't wait to scream.
With such a big book, there must be a lot of interesting content!
The smirk was so radiant that the little cockroach looked at it with a side. These reasons, he can not understand, but the little guy thinks that his sister is so happy to laugh, there must be something very fun, his little eyes are full of envy and hope.
I really want to play with my sister!
......
The filming of "The Sin" has been going on for more than a month. Recently, the crew went south and went to Yangcheng to shoot some local shots. Guo Ziyi, as an important supporting role, followed the past.
However, the weather suddenly turned cold, and the news report said that it was a cold air that had not been seen for ten years, so that Tan Huizhen began to worry about whether Guo Ziyi in the southerly Yangcheng would be frozen.
Not a popular saying on the Internet now: I am a wolf from the north, but frozen into a huskies in the south?
Although this is a joke, there is still some truth!
The coldness of winter in Guangdong Province is damp and cold. Although the temperature looks very high, the air with high humidity will make this cold as a bone, and the yin measurement seems to be as uncomfortable as the cold air is to be drilled into the bone!
So, when Tan Huizhen called Guo Ziyi, she suddenly asked where the agent of Guo Ziyi is now?
"What do you ask Ding Xiang?" Guo Ziyi stunned. "She is in Jiangcheng! She still has coursework. It is impossible for me to run around with me before graduation."
At the moment, Ding Xiang, who is sitting next to Guo Ziyi, is nervous and straight, and is sitting in danger and looking at Guo Ziyi.