After reading the book 100000 whys, I realized that science is wonderful and amazing. Can let me learn some textbooks and daily life can not understand the knowledge.
In animals and plants, I'm most interested in: why do bees die when they sting? Because, when it stings people, it also brings out the internal organs of its body. It's amazing. What's the use of hedgehog's spines? Oh, it turns out that Hedgehog's spines are used to collect food. At the same time, they are also a good defense weapon. And so on, there is a lot of knowledge about animals and plants!
In "why in the diet", I learned which layer of steamed bread is cooked first, of course, the upper layer. Want to know why? That's because the heat goes up and stays in the upper layer, while the heat in the lower layer just passes by, so the heat in the upper layer will ripen first. There's also a lot of common sense about diet.
With so much knowledge, I like science more and more. Reflections on reading 100000 whys_ You must like bananas very much! Why are bananas curved? Today, I watched "why bananas are curved" in "100000 whys".
Banana is very familiar to everyone. It is bunched like grape. A bunch of bananas can grow up to 16! So why are bananas curved? We all know that all plants need sunlight to grow. In order to grow better, bananas grow in the direction of sunlight. Just because they are so long, they grow from the middle and bend at both ends, so they are curved.
My family has a fortune tree, I put it on the balcony, after a few weeks, I found that it and bananas, branches bent, it is also toward the place with sunshine growth.
Banana toward the place with sunshine efforts to grow, we should also strive towards their own goals.
Reflections on "100000 whys" of Xihua Road Primary School in gongwan District, Guangzhou_ 200 words. After reading the book 100000 whys, I realized that science is wonderful and amazing. Can let me learn some textbooks and daily life can not understand the knowledge.
In animals and plants, I'm most interested in: why do bees die when they sting? Because, when it stings people, it also brings out the internal organs of its body. It's amazing. What's the use of hedgehog's spines? Oh, it turns out that Hedgehog's spines are used to collect food. At the same time, they are also a good defense weapon. And so on, there is a lot of knowledge about animals and plants!
In "why in the diet", I learned which layer of steamed bread is cooked first, of course, the upper layer. Want to know why? That's because the hot gas is going up and stays at the upper level, while the hot gas at the lower level is just the road. The content of this page is changed from "read. 4" to "read. 4" hw.com.cn ”I've pushed it for you, so the upper layer will be cooked first. There's also a lot of common sense about diet.
With so much knowledge, I like science more and more. After reading 100000 whys_ I read the book with curiosity. This is a book about science. And mathematics in our lives are also related, but very curious, want to read this book, unfortunately due to the short time, I read only part. In this book, let me feel interesting content "Why are all hexagonal honeycomb" at the beginning, I read the title, think honeycomb also has circle, why are all hexagonal? I took the question and read it carefully. Reading while thinking, let me think of the real bee nest in reality. It looks neat from the front or the side, but the hexagonal honeycomb does have a certain scientific nature. The French scientist 'uralchi' measured it in the early 18th century. He told us a rule, that is, the obtuse angle of each diamond is 109 & deg; 28 & prime; (pronounced as 109 degrees and 28 points). But what's the secret? Because the calculation results are exactly the same as the angle of the honeycomb, there is also stability, but there is a big difference with our guess of the circle.
From this reading, I feel that although it is an ordinary thing. It's not unreasonable. All things are scientific and regular. And people have got a lot of Enlightenment on the structure of honeycomb, such as: in the application of aircraft materials, it can save materials, reduce the weight of the aircraft, and ensure that the aircraft is strong and heat and sound insulation. Similarly, the principle of honeycomb has universality in architecture! The magical honeycomb condenses the infinite wisdom of nature, which makes me think of a lot and makes me feel the greatness of wisdom. We should pay more attention to the laws of all things, and we will explore more abundant knowledge and truth.
Only time is the only criterion for testing truth.
The first day of Liushuquan farm in Hami, Xinjiang_ One hundred thousand whys with 300 words is a popular science book with a lot of knowledge and science, which covers everything from astronomy to geography, science, geography, animals and plants. There are a lot of scientific questions that can be answered in "100000 whys".
In the past, every time after rain, I would see beautiful rainbows in the sky. When I didn't watch 100000 whys, I didn't know how rainbows were formed. After reading 100000 whys, I knew that rainbows were actually formed by small water droplets floating in the sky reflecting the sun's light. This was because of thunderstorms and large water droplets. Often after a shower of rain, soon clear, water in the sky reflect sunlight, so it becomes a rainbow.
After reading 100000 whys, I still know how rain and snow form. Due to the sun's irradiation, the water turns into steam and rises to the sky, forming clouds in the sky. When the clouds are full of water, there will be rain, which forms rain; the formation of snow is because: the steam meets the cold air in the sky, condenses into small freezing points, and falls into snow.
After reading 100000 whys, I also know why rocks are poisonous, what is a delta, and why sand calls. 100000 whys is a popular science book that I never tire of reading! Reflections on reading 100000 whys_ Class 26, experimental school of liberated area
Today, I read a book called 100000 whys, including an article called why fireflies glow.
The luminescence of firefly is related to the luminescent apparatus in its tail, which contains luciferin and luciferase. When the air enters the luminescent device, luciferin combines with oxygen in the air under the catalysis of luciferase, and the energy generated is converted into fluorescence. The more air enters the luminescent device, the brighter the fluorescence is. From this we can see that fireflies do not glow at night, but the brightness is not as bright as the sun, so they do not glow during the day. (after reading 100000 whys)_ Some people like exciting novels, some people like innocent fairy tales, but I like the wisdom of "100000 whys".
This book contains many puzzling questions about life, such as: why can't you cook in the mountains? Why does mother quack after birth? Why do horses like to sleep standing up?
One of the reasons I am most interested in is' why do bees die after stinging people? It turns out that the venomous needle on the bee's tail is connected with its venomous glands and viscera. If a bee bites a person, its barb will hook the person's skin. With a little effort, the internal organs of the body will be pulled out. In this way, the bee will not survive.
In addition, I also understand a lot of other issues. For example, why do bread have holes? It's a little room for carbon dioxide. Why do horses sleep standing up? Because it's to defend against animals like lions & hellip; & hellip;
There are many unsolved mysteries in the world, so we should read more books to solve them. 100000 whys is our good friend, helping us explore the mystery of the world together. How did the twelve zodiac animals come from_ You are familiar with the Chinese zodiac! Today, I watched how the twelve zodiac animals came from "100000 whys".
The Chinese zodiac is actually based on the time of animals' daily activities. From 23:00 to 1:00, mice are the most active. At one to three o'clock, the cow was ruminating. From three o'clock to five o'clock, tigers roam around. From five o'clock to seven o'clock, Yutu was pounding medicine. 7:00 to 9:00 is a good time for dragon to rain. From nine o'clock to eleven o'clock, snakes are most active & hellip; & hellip;
Some people may ask why there are no cats in the zodiac? There is a legend: in ancient times, the emperor wanted to choose 12 kinds of animals as bodyguards, and the animals went to sign up one after another. Unfortunately, the cat had something to do, and asked the mouse Mining Bureau, and the mouse forgot again. From then on, the cat hated the mouse.
I was born in 2001, a snake. Just because I am a snake, the sixth in the zodiac, my student number in school is No. 6, and I weighed 6.6kg when I was born. What a coincidence. But 6 is also a good number!
Today, I finally know how the zodiac comes from!
No.3 primary school, Xihua Road, Liwan District, Guangzhou