What do I do the earth will turn 10

We all know the rotation principle of the electric motor!!

When a wire passes through an electric current under certain conditions in a magnetic field, the wire is subjected to the force of the magnetic field and rotates!!

And the earth itself has a magnetic field in the north and south spheres, so it is itself in the magnetic field!! One condition is met.

But the earth is not a wire, and there is no electricity flowing from one side to the other!

So what does its rotation have to do with the rotation of the motor!?

Just think!! So what is the current?

Electric current should be a flow of energy!! The wire is the conductor of this energy flow!

Is there a flow of energy on Earth? Of course, this energy is also a conductor of the earth itself.

If there is a flow of energy, there must be an energy difference in general! Generally not subject to external factors in the case of two objects objects are always from high-energy objects.

Turn to the bottom of the energy object! (I think that the existence of gravity is due to the phenomenon of the equilibrium process of energy difference).

There is a difference in the temperature of day and night!

But what is the temperature? Hot and cold? So what is hot and cold? It is a reflection of the intensity of the vibration of the molecules (molecules, etc.) of the object itself.

Since there is vibration, there is movement, and there is energy in motion, so there is an energy difference due to the temperature difference.

And the surface of the day and the surface of the night are relative! Then the surface high energy of the day is transmitted back to the bottom energy of the night surface!

Then the earth is the conductor!! The parentheses were my thoughts a long time ago, but I suddenly thought of them tonight!

The maximum capacity difference is the difference between the geocentric heat and the energy of the surface!

This means that an energy flows inside the earth in the inversion of the earth, and there is a magnetic field around the earth, so the rotation of the earth is generated!

Almost all celestial bodies in the solar system, including asteroids, rotate according to the law of the right-hand rule, and the rotation of all or most celestial bodies is also the right-hand rule. Why? The predecessor of the solar system was a dense cloud, driven by a certain force that attracted each other, and this accretion process made the density gradually larger, which accelerated the accretion process.

On the one hand, the centripetal accretion accumulation becomes the sun, and on the other hand, the gas gradually develops into a flattened shape, and in the process of development, the potential energy becomes kinetic energy, and finally the whole thing turns. At the beginning of the rotation, there are those who turn this way, and those who turn that way, after a certain direction prevails, they all become one direction, and this direction is the right-hand rule that is now discovered, and there may be other solar systems that are left-handed rules, but in our solar system it is the right-hand rule. The energy of the earth's rotation** is caused by the eventual transformation of material potential energy into kinetic energy, which ultimately means that the earth rotates on the one hand and rotates on the other.

The rotation of the earth is the rotation of the earth around the sun, and the route of its revolution is called orbit, and the orbital operation is also called orbital operation. The Earth's orbit around the Sun is an approximately perfect ellipse with an oblateness of 1 7000, and the Sun is located at one of the two focal points of the ellipse. Therefore, the distance of the earth changes as it orbits the sun.

According to the Earth's orbital cycle around the Sun, the Earth is closest to the Sun around January 3 every year, called perihelion, and the distance between the Sun and the Earth is 14.7 million kilometers. Around July 4, the Earth is farthest from the Sun, called the aphelion, and the distance between the Sun and the Earth is 151.92 million kilometers. The direction of the Earth's revolution is from west to east.

The length of the Earth's orbit around the Sun is 9.4 billion kilometers, and the time it takes to complete the journey is 365 days, 5 hours, 48 minutes and 46 seconds, or one return year. It rotates 360 degrees in 1 year, advancing eastward roughly 1 degree per day, which is the angular velocity of the Earth's revolution. The linear velocity of the Earth's revolution is 10,000 kilometers per hour, 1,800 kilometers per minute, or about 30 kilometers per second.

The Earth's gravitational pull at perihelion is the largest, and the linear velocity is relatively fast, kilometers per second. At aphelion, the gravitational pull of the Sun is minimal and the rotation is slower, kilometers per second.

Is the Earth really turning? Hanging the stone in the air, a miraculous phenomenon appears.

All the planets are rotating and revolving, and their energy is larger than that of the universe.

The friction of tides (including solid tides) causes the rotational energy of the planets to dissipate, slowing down the rotation and revolution until it stops. At this time, the expansion of the universe also stops and begins to contract, and time begins to flow backwards.

For example, all the planets in the solar system will crash into the sun when they stop orbiting.

Here's a cause of the Earth's rotation that can be applied to any planet.

There is a very authoritative theory that explains the rotation of the earth and the tilt of the earth's axis in this way:

In the early days of the earth, it was just an asteroid, relying on gravity to continuously capture foreign celestial bodies to strengthen itself, and foreign celestial bodies were moving at high speed relative to the earth, so the process of capture was a violent collision. The largest impact occurred 4.5 billion years ago, when a large asteroid hit the Earth from the side, causing the Earth to spin, and the material and asteroids that collided out formed the moon, and the crater left by the impact formed the ocean.

Without the Moon, the Earth would wobbly or even turn upside down. The gravitational pull of the Moon is the best stabilizer of the Earth's axis of rotation, pointing it near the North Star and keeping it at 66 degrees 34 minutes from the plane of rotation. So that the earth has four seasons in the year.

In the beginning, the earth rotated very fast, only 5 hours a day, and the deceleration effect of tidal friction became 24 hours a day.

This is the story of the formation of the Earth's moon.

So, it is inertia that keeps it spinning, and tidal friction caused by gravitational force slows it down slowly.

Content from users: You're right.

2. Purpose requirements.

1. Through the teaching of this lesson, students are required to know what is the rotation and revolution of the earth, the direction and time of rotation and revolution; Understand that the phenomenon of day and night is due to the rotation of the earth.

2. Cultivate students' experimental ability (be able to do simulation experiments on the causes of day and night), reasoning ability and imagination ability (infer the movement of the earth based on the apparent motion of the sun, moon and stars).

3. By understanding the rotation and revolution of the earth, students will realize that the celestial bodies in the universe are in motion, and their movements are regular.

3. Preparation before class.

Teacher preparation: 1 group experiment material candles, small globes made of ping pong balls, wire (a small paper figure glued to the northern hemisphere).

2.Flip chart or slideshow The rotation of the earth (showing the earth's axis, rotation direction, sunlight and day and night), the revolution of the earth.

Fourth, the teaching process.

Import a new lesson. 1 Question:

1) Every day, how do we see the sun moving in the sky?

2) How do the constellations in the southern sky (e.g. Orion) move in the sky at different times of the day? How do the constellations in the north sky, such as Ursa Major, move in the sky?

3) What happens as the sun rises in the east and sets in the west? (diurnal phenomenon).

4) What is the pattern of diurnal phenomena? (Alternate, Loop).

2 Talk: How do you think the phenomenon of the sun rising in the east and setting in the west, alternating between day and night, came about?

Learn a new lesson. 1. Instruct students to understand the rotation of the earth.

1) Narrate: Regarding the phenomenon of the sun rising in the east and setting in the west, and the cycle of day and night, some students think that the sun is formed by the rotation of the earth, and some students think that the earth rotates itself, which are two different opinions. (This passage serves as a link between the introduction of the new lesson and the learning of the new lesson.)

How can you prove that the earth is turning? Hang the stone in the air, and a miraculous phenomenon appears.

The earth rotates and revolves.

1. The rotation of the earth. The Earth rotates from west to east on its axis of rotation, rotating counterclockwise from the North Pole and clockwise from the South Pole. The Earth's axis of rotation is angled to the ecliptic plane, perpendicular to the equatorial plane.

The Earth's rotation is an important form of motion of the Earth, with a linear velocity of 465 meters and seconds at the Earth's equator. It takes 23 hours and 56 minutes for the Earth to rotate around in one cycle.

2. The revolution of the earth. The earth rotates at the same time, and it takes 23 hours, 56 minutes and 4 seconds to rotate around in one revolution, and the revolution is about a degree, which is equivalent to 3 minutes and 56 seconds according to the speed of the earth's rotation, and the time, rotation plus the time taken to rotate is 24 hours. Longitude is every 15 degrees, and local time is one hour apart.

The earth has a rotation, the period is 1 day, and there is an inclination of about 23 degrees, which is the angle of the Tropic of Cancer and the Tropic of Capricorn.

At the same time, the earth also revolves around the sun with a cycle of 1 year.

At the same time, the Earth and the Sun revolve around the center of the Milky Way.

The reason is very complicated, the solar system was rotating at the beginning of the year, and it has been maintained by inertia until now.

The rotation of the earth is divided into rotation and revolution, and the autobiography is from west to east, rotating counterclockwise from the sky above the North Pole**, with a period of 23 hours, 26 minutes and 46 seconds. The revolution looks counterclockwise from the north pole in the plane of the solar system and is finished! Readme answers.

The earth is divided into rotation and revolution around the sun, the direction of rotation and revolution is from west to east, one rotation is one day (about 24 hours), and it takes about a year (about 365 days) to revolve around the sun. As for the reason for the rotation, it may be that it rotated like this at the beginning of its formation, and the revolution is due to the gravitational attraction between the sun and the earth.