1. What famous quotes are available for the Science and Technology Festival handwritten newspaper?

About the Science and Technology Festival handwritten newspaper registrants' quotes are:

1. Only valid heirs At the same time, we have obtained the world's most advanced scientific and technological knowledge. If we take another half step forward, we will be the most advanced level and the first-class scientist. ——Weinberg

2. Genius Only by combining it with science can the greatest effect be produced. ——Spencer

3. The achievements of scientists are the property of all mankind, and science is the most selfless field.——Gorky

4. Science is the most important, beautiful and necessary thing in people’s lives. ——Chekhov

5. Without science and art, there would be no people and human life. ——Lev ·Tolstoy

6. Science itself has great beauty. A scientist engaged in research is not only a technician, but also a child. In the scenery of nature, it seems that It’s like being fascinated by fairy tales. ——Marie Curie

7. Progress is not an event, but a need. ——Spencer

8. Progress is the law of life , otherwise people cannot be called human beings. ——Browning

9. Science requires a person’s whole life. ——Zhu Xian

10. With the development of science and technology to this day, It is a comprehensive, large-scale, and collective undertaking. ——Wang Fangding

11. The accumulation of scientific knowledge is a necessary prerequisite for scientific development. As for who will sum up the achievements in the end, it may be accidental. , the color of luck. ——Tan Jiazhen 2. A short poem about science and technology, written as a handwritten newspaper.

Songs of Science and Technology/ What makes the scorching summer no longer sultry and what makes the flowing thoughts The melting of long-frozen ice and snow is what makes ordinary life full of magic. Technology is the power of technology. Technology is the magical pen that changes the world. It is the quick master who depicts the future. It is the only way to success. Without technology, life is simple. With the technological world, the pastoral scenery has become a shining colorful stage. The vast universe is waiting for the explorers' footsteps. The boundless ocean is waiting for the scientists to explore. Look, there are many invisible truths in this world. The theory of relativity is important to us. Magnetic gravity, the guide of life, has created the miracle of the hover car. Look, how interesting technology is. We must work hard to uncover all the mysteries. A bird's-eye view of the buildings looks like a display. From a distance, it looks like a row of buildings. Passers-by smile and point to Xintiandi, Shenzhen High-tech Park .The wind of Peking University is beautiful, and the dance of Tsinghua University is graceful. I have been familiar with the history of trampling for a hundred years, and never forget the pioneers of science and technology to strengthen the country. 3. Science and Technology Handwritten Newspaper About Science and Technology

We must learn science, love science, and show science. But how? Scientists tell us that curiosity is one of the most important aspects of human nature and the main motivation for exploring the mysteries of science; and the best way to satisfy this strong desire is to have the courage to ask why, to try, to innovate, and to overturn. The words and conclusions of predecessors are followed, and what you get in the end is your own results. For example, Galileo, Copernicus and others bravely pointed out the erroneous arguments of their predecessors despite pressure and opposition from all sides. Through personal practice and experiments, I proved that my point of view was correct, and in exchange for my own success.

The average person's understanding of the word "science" may be understood as "the truth knowledge content that human beings have found to represent reality" (specific scientific knowledge) or "theory of scientific truth" (scientific theory system) ), or it may be "how to find and distinguish methods called scientific knowledge and scientific theories" (scientific method and scientific spirit), in which the latter may also include scientific philosophy. In fact, an eternal problem in the existence and development of science is the contradiction between standards and innovation. On the one hand, the emergence of scientific knowledge will inevitably form relevant standards for judging right and wrong. On the other hand, the process of the emergence of scientific knowledge is a process of breaking through the original standards, so it will inevitably be restricted or suppressed by the original standards. 4. Handwritten newspapers about technology

1. Why do stars twinkle? We see stars twinkling, not because of changes in the luminosity of the stars themselves, but because of the obstruction of the atmosphere.

The atmosphere is between us and the stars. When starlight passes through the atmosphere, it will be affected by the density and thickness of the atmosphere. The atmosphere is not absolutely transparent; its transparency varies depending on density.

So when we look at the stars through it on the ground, we will see that the stars seem to be twinkling. 2. Why do people yawn? When we feel tired, our bodies have produced a lot of carbon dioxide.

When there is too much carbon dioxide, oxygen must be added to balance the needs of the body. Because these residual carbon dioxide will affect the functional activities of our body, the body will issue a protective response and yawn.

Yawning is a deep breathing action, which allows us to take in more oxygen and expel carbon dioxide than usual, and also eliminates fatigue.

3. Why can snakes walk without legs? Snakes have many scales on their bodies, which are their outermost layer of armor.

The scales are not only used to protect the body, but also serve as their "feet". When a snake crawls forward, its body forms an S shape.

Each scale on the outside of the S-shape will tilt up to help the snake grasp uneven roads as it moves forward. These scales cooperate with the snake's muscles and can push the body forward, so the snake can move without legs! 4. Why do sunflowers always bloom toward the sun? The stems under the sunflower discs contain a substance called "auxin."

This substance has the function of accelerating reproduction, but it is optically repulsive. Whenever it encounters light, it will run to the backlight side. Therefore, when the sun rises, the sunflower stems immediately hide to the backlight side, and it seems that the entire plant is bent toward the direction of the sun.

5. Why does hair turn gray as people age? There is a substance called "melanin" in our hair. The more melanin, the darker the color of the hair. If there is less melanin, the hair will turn yellow or white.

When humans reach old age, various functions of the body will gradually decline, and the formation of pigment will become less and less, so the hair will gradually turn white! 6. Why do fireflies glow? Fireflies emit light because they have luminescent devices at the end of their abdomens. The luminescent devices are filled with many phosphorus-containing luminescent substances and luminescent enzymes, allowing fireflies to emit flashes of light. The purpose of fireflies' light is not only for lighting, but also for courtship, warning, and trapping.

This is also a tool for them to communicate. Different types of fireflies have different lighting methods, lighting frequencies and colors, and they use this to convey different messages. 7. Why does your stomach growl when you are hungry? Your stomach will growl when you are hungry. This is because the food you have eaten is almost finished digesting. Although your stomach is empty, gastric juice will continue to be secreted.

At this time, the contraction of the stomach will gradually expand, and the liquid and gas inside will stir up, causing a gurgling sound. Don’t be embarrassed by your stomach growling next time! Because this is a normal physiological action.

8. Why can’t ostriches fly? They are a type of giant ostrich bird, but they cannot fly into the sky! This is not because their wings don't work, but because their feathers are too soft and their wings are too small, not suitable for flying at all. In addition, the muscles of the ostrich are underdeveloped and the sternum is flat, which is not helpful for flying.

Ostriches live in Africa. Since they have lived in desert areas for a long time, their bodies have gradually evolved into what they are today in order to adapt to the environment. 9. Why does food in cans not go bad easily? Luncheon meat, dace with black bean sauce, and beans in tomato sauce.

These are delicious canned foods that can be stored for a long time without spoiling easily.

This is because the can is sealed and bacteria cannot enter. When people make canned food, they take all the air out of the can and then seal it.

In the absence of air, even if the food inside is contaminated with a few bacteria, they cannot survive or reproduce! 10. Why do babies cry non-stop when they are born? Babies cry loudly when they are born. This is not because they are unhappy, but because they are taking their first breath of air! When a baby is born out of its mother's body, the first breath of air they inhale rushes to the throat, which violently impacts the vocal cords, causing them to vibrate and make a cry-like sound. 11. Why does a lizard still keep bouncing after its tail is broken off? In order to protect themselves, many lizards also use protective colors to hide their appearance. When some lizards are attacked, their tails will break off due to violent muscle contraction.

Because some of the nerves in the broken tail are still alive, it will continue to bounce, thus distracting the enemy so that they can escape. Don't think that their lives will end like this. In fact, it only takes a few months for their tails to grow back and continue their lives.

12. Why do squirrels have such big tails? Don't look at the squirrel's tail! While the squirrel is jumping up and down the tree, its tail is doing a great job. It allows the squirrel to balance when jumping in the tree and avoid falling and being injured.

In addition, this big tail can also play a protective role in winter, tightly surrounding the squirrel's body, which is both convenient and practical. 13. Why can’t human thumbs have one or three joints? The average person has five fingers, and the lengths of the fingers vary.

However, has anyone noticed that in addition to the thumb, other fingers also have three joints, but the thumb only has two joints? It turns out that its number of segments matches the other four fingers. If it has three joints, the thumb will be weak and cannot lift heavier objects; if it has only one joint, it will not be able to cooperate with the other four fingers to grasp things freely! 14. Why don’t I feel itchy when I scratch myself? When others scratch ourselves, we feel itchy and laugh constantly; however, when we scratch ourselves, we not only don’t laugh, but also don’t feel itchy.

Based on our mental preparation, the brain will send a message that "there will be no danger", and the nerves will relax accordingly, so we will not laugh or feel itchy! 15. Why is the sea water mostly blue or green? Looking at the sea, we often find that the water is blue or green. However, when you pick up the seawater, you can only see that it is as transparent and colorless as the water in the past.

It turns out that seawater itself is something we come into contact with every day. 5. About the content of science and technology tabloids

Shenzhou 2, a new appearance:

Although Shenzhou 2 is the second unmanned spacecraft, it is China’s first full-scale spacecraft , it can also be said to be the "most complete version" of the manned spacecraft. Its various technical conditions are basically the same as when it was manned. The spacecraft flew in orbit for 7 days and then returned to the ground. Experiments in the fields of space life science, space materials, space astronomy and physics were carried out on the spacecraft in a microgravity environment. Various instruments and equipment have stable performance and work normally, and a large amount of data has been obtained. The technical status of the spacecraft is basically the same as that of a manned spacecraft.

Aerospace knowledge:

June 18, 14:22 China embarked on the road of reform and opening up in 1978. Reform and opening up has stimulated the vitality of all walks of life and enabled China's productivity to continue to develop. New cities are rising one after another. One after another major scientific and technological achievements have been produced and developed. Large-scale projects have been completed one after another. One by one, very large enterprises are growing rapidly. China has grown taller and stronger. It is no longer the poverty and weakness of the 1940s and 1950s, nor the poverty and backwardness of the 1960s and 1970s! The successful launch of the Shenzhou-6 spacecraft this morning is another major achievement of my country's social development since the reform and opening up!

Space shuttle information:

The space shuttle is a winged, reusable rocket-powered space vehicle. It is launched out of the atmosphere by an auxiliary launch vehicle and serves as a means of transportation between the earth and outer space. The space shuttle combines the properties of an airplane and a spacecraft, like a spaceship with wings and an appearance like an airplane. The shuttle's wings provide air braking when returning to Earth and lift when landing. When the space shuttle ascends into space, like other single-use vehicles, it uses rocket power to ascend vertically. Because of the wings, the space shuttle has a lower payload ratio. After more than 20 years of use, it has been found that the cost necessary to ensure the reliability of the space shuttle is too high, and it is on the verge of being eliminated.