How does the internal structure of the earth affect the temperature of the earth

If you think about a volcano, you know Earth must be hot inside. The heat inside Earth moves continents, builds mountains, and causes earthquakes. Where does all this heat inside Earth come from? Earth was hot when it formed. A lot of Earth’s heat is left over from when our planet formed, four-and-a-half billion years ago.

Earth is thought to have arisen from a cloud of gas and dust in space. Solid particles, called “planetesimals” condensed out of the cloud. They’re thought to have stuck together and created the early Earth. Bombarding planetesimals heated Earth to a molten state.

So Earth started out with a lot of heat. Earth makes some of its own heat. Earth is cooling now – but very, very slowly. Earth is close to a steady temperature state. Over the past several billion years, it might have cooled a couple of hundred degrees. Earth keeps a nearly steady temperature because it makes heat in its interior.

In other words, Earth has been losing heat since it formed, billions of years ago. But it’s producing almost as much heat as it is losing. The process by which Earth makes heat is called radioactive decay (the process in which the nucleus becomes unstable and loses particles or begins to break apart).

Conclusion:

It involves the disintegration of natural radioactive elements inside Earth-like uranium, for example. Uranium is a special kind of element because when it decays, heat is produced. It’s this heat that keeps Earth from cooling off completely many of the rocks in Earth’s crust and interior undergo this process of radioactive decay. This process produces subatomic particles that zip away and later collide with surrounding material inside the Earth. Their energy of motion is converted to heat. Without this process of radioactive decay, there would be fewer volcanoes and earthquakes – and less building of Earth’s vast mountain ranges

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