Why does the sky thunder? Why is there thunder in the sky

Cause of thunder: When it rains, some clouds in the sky have positive poles and some negative poles. When two clouds collide, lightning strikes, and at the same time emits a lot of heat, heating and expanding the surrounding air.

The air that is heated and expanded in an instant will push the surrounding air, causing a strong **-type vibration. This is thunder.

Thunder and lightning are the phenomenon of electrical discharge in thunderstorm clouds. The formation of thunderstorm clouds generally requires two conditions, sufficient water vapor and violent convective movements. In winter, due to the cold and dry air, coupled with solar radiation.

It is weak, and it is not easy to form convection currents in the air, so there are few thunderbolts.

Thunder in the sky is a natural phenomenon caused by the collision of rain clouds according to scientific evidence.

When it rains, the clouds are thick and the air is humid. At this time, when the charge is neutralized, a large amount of light and heat is released instantaneously, which heats and expands the surrounding air to a high temperature of 30,000 degrees Celsius. At the same time, the surrounding air is pushed to cause the air to vibrate, and the sound produced at this time is thunder.

When two clouds with a different charge meet, or when a cloud with a different charge is close to the earth, the phenomenon of discharge, which is what we see as lightning, occurs.

Thunder is due to the residual digging between the clouds in the atmosphere, and the friction of positive and negative charges between the clouds and the ground produces a violent discharge, which produces high temperatures, makes the atmosphere expand sharply, and produces a deafening loud sound of bending bushes, which is lightning and thunder.

When atmospheric charges are constantly accumulating in the clouds. If the amount of charge becomes strong enough, lightning will occur. When lightning crosses the sky, it can quickly warm up the air along its path.

The heated air expanded rapidly and slammed into all directions as violently as it had happened. This causes a huge sound wave, which we sound like a thunderbolt.

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Pro, the sky will thunder Reason: Thunder is the air is broken down by ionization, because the clouds in the air are charged, some have a positive charge, some have a negative charge, when the cold and warm air convection, it will make the positive and negative charges collide, so that the discharge phenomenon occurs. The clouds are at a positive potential, the earth is at a negative potential, and under the action of the electric field force of a strong electric field, the air is ionized, and light radiation occurs, which is the lightning seen.

Thunder is less in winter, because the air is cold and dry in winter due to the control of the cold air mass on the mainland, and the solar radiation is weak, the air is not easy to form violent convection, so it rarely occurs.

Why is there thunder in the sky

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Pro, the sky will thunder Reason: Thunder is the air is broken down by ionization, because the clouds in the air are charged, some have a positive charge, or some have a negative charge, when the cold and warm air convection, it will make the positive and negative charges collide, resulting in the phenomenon of discharge. The clouds are in a positive potential, the earth is in a negative potential, and under the action of the electric field force of a strong electric field, the air is ionized, and the light radiation is generated, which is the lightning seen.

There is less thunder in winter, because the air is cold and dry in winter due to the control of the cold air mass of the continent, and the solar radiation is weak, the air is not easy to form violent convection, so it rarely occurs.

Precautions for thundering: (1) Close the doors and windows before the rain comes, and avoid lightning disasters caused by the conductive effect caused by high indoor humidity. (2) Cut off the electrical equipment that can not be used temporarily, do not approach the stove and other parts with metal, and do not stand barefoot on the mud or cement floor (3) It is not suitable to play ** and mobile phone envy hall, and it is not suitable to use faucets in Tongling.

Summary. Thunder is because the water vapor in the cumulonimbus cloud produces static electricity when it is constantly moving, resulting in a voltage difference between the cloud and the ground, when the voltage difference is very large, it will break through the air, so that the air expands in an instant, heats and glows, and the light emitted is lightning, and the huge sound emitted by the expansion ** is thunder.

Thunder is because the water vapor in the cumulonimbus cloud produces static electricity when the sliding bird orange is constantly moving, resulting in a voltage difference between the clouds and the ground, when the voltage difference is very large, it will break through the air, so that the air expands instantly**, heats and glows, and the light emitted is lightning, and the huge sound emitted by the expansion ** is thunder.

Thunder is a kind of electrical discharge, when the weather changes greatly, the air will become very unstable, prone to strong upward convective movement, resulting in the formation of cumulonimbus clouds, which have a very ridge of active water vapor, and will produce static electricity when it keeps moving up and down.

In the thunderstorm, we must pay attention to safety, it is strictly forbidden to stay on the top of the mountain or in the high hill area of the stool, can not take shelter under the big tree, near the telephone pole, and also pay attention to the use of electrical appliances at home, it is best to turn off the indoor TV, cassette recorder, audio, air conditioner and other electrical appliances.

The reason for thunder in the sky is because the clouds in the sky are like two positive and negative poles, and when these two positive and negative clouds collide together, they will emit terrifying lightning, and at the same time as the lightning is emitted, it will release a huge amount of heat, which will cause most of the surrounding air to be heated and expanded. At this moment, the heated and expanding air will naturally push the surrounding air that is not heated and expanded, and then cause that strong explosive vibration.

In addition, when the air around us is extremely unstable, then a strong upward convective movement will occur, and at this time, the towering cumulonimbus clouds that we are familiar with will be formed, and the clouds will be covered with the kind of water vapor running up and down, which will cause static electricity to be generated. This is also one of the necessary conditions for the formation of thunderclouds.

Thunder is caused by an imbalance of charges present in the atmosphere. Thunderstorms in the sky usually occur in thunderstorm clouds, which are usually cumulonimbus clouds. Here are the main causes of thunder:

1.Static accumulation: In thunderstorm clouds, there is a strong vertical airflow between the top and bottom of the cloud, causing the water vapor and ice crystals inside the cloud to collide with each other.

These collision processes result in electrostatic separation between water droplets and ice crystals, resulting in a positive charge at the top of the cloud and a negative charge at the bottom of the cloud.

2.Charge separation: Vertical air currents within the cloud cause ice crystals and water droplets to move up and down within the cloud, forming positively and negatively charged particles of varying sizes and weights.

The phenomenon of charge separation is caused by the updraft in the clouds that causes the positively charged particles to rise, and the downdraft causes the negatively charged particles to sink.

3.Charge accumulation: Inside the cloud, positive and negative charges gradually accumulate, forming an electric field. When the electric field strength is strong enough, it causes the ionization of molecules in the air, forming ionization channels, also known as leading channels.

4.Lightning discharge: Once the leader channel is formed, it rapidly conducts an electrical charge, resulting in the formation of a lightning bolt. Lightning is an electric current produced by the flow of a large number of electrons in a very short period of time. This results in flashes of high temperature and high brightness, accompanied by the creation of thunder.

It is important to note that the phenomenon of lightning is complex, and scientists are still studying its detailed mechanism. The lightning discharge process involves knowledge of many fields such as atmospheric physics, electromagnetism, and charge transfer. However, the above is the basic theoretical explanation that has been widely accepted so far, explaining why thunderstorming occurs in thunderstorm clouds.

Wonderful Knowledge Season Recently, it has been raining a lot, and the child is afraid of thunder, and I told the child that thunder is a natural phenomenon, and that thunder is a normal natural phenomenon on a rainy day, and the child is still afraid, let me take care of it, and I know that she means to let me control it [laughs] and not let the sky thunder. So I said that I really can't control this matter, because this is a natural phenomenon in nature, which is uncontrollable by human beings, of course, maybe technology can be controlled now, but I don't understand, I can only tell my children that this is not something that can be changed by man. The child seemed to understand my words and stopped letting me control the thunder and lightning, but then I was asked a question that seemed to know too little, and the child asked me why it rained and thundered in the sky.

My first reaction at the time was that this was a natural phenomenon, that is, it would rain and thunder, how normal! But this explanation seems a bit like a rogue, okay, let's dig up the only knowledge left in my head, so I thought about it and said, when it rains, there is water vapor in the air, condensed into water droplets, and then it falls and it is rain, [wit] by the way, I also expanded a little, and I said the formation of snow without modesty, and I feel that I still have a little common sense [呲tooth]! But what about thunder and lightning?

It seems to be some kind of electrostatic friction principle[what]Okay! I admit defeat, I really can't say anything [tears]. I took out my phone and began to check, and after checking and checking, I realized that I was an ignorant old boy [I want to be quiet] without much words, and began to popularize knowledge:

Why does it rain? This is because the earth's water resources (rivers, lakes and seas) are exposed to sunlight and turn into water vapor. Water vapor floats into the air and turns into clouds when it encounters cold air.

The clouds are held up in the air by the upper and lower air currents. When the small water droplets that make up the cloud grow and the updraft is unable to support it, various forms of precipitation (rain, snow, hail, etc.) are formed. Why is it thundering?

The air heated by the ground and the air that sinks in the air collide in the air, forming a strong convection, producing the so-called cumulonimbus clouds, in which the water vapor travels everywhere to produce static electricity, and the upper and lower ends of the cloud will produce positive and negative charges, when the charge is neutralized, a large amount of light and heat will be emitted, so that the air expands in an instant**, glowing to form lightning, **The sound is thunder After reading it, I found that I understood the words, and it seemed to understand it! It's okay, I can memorize it, so I correctly popularized this knowledge to the child [proud] and have to learn, otherwise the children won't be able to deal with [grimace].