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Q: What happens to Earth's magnetic field periodically over time?
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Does the earths magnetic field has periodically reversed direction?

Yes. In historical times , clay pots have shown that the earth's magnetic field has reversed.


What happens in earths interior produce earths magnetic field?

The movements in the liquid inner core.


Where does the convection that causes earths magnetic field?

The convection that causes Earth's magnetic field happens in Earth's molten outer core.


What happens in earth interior to produce earths magnetic field describe the layer where the magnetic field is produced?

What escapes the crust is what we observe as the earths magnetic field. The outer core is a rotating mass of fluid metal that induces an electrical current which in turn generates the magnetosphere.


The convention that causes earths magnetic field happens in earths?

core


What happens to earth's interior to produce earths magnetic field?

The movements in the liquid inner core.


What is earths magnetic field called?

It is Earths' "Magnetosphere".


Is earths core a source of earths magnetic field?

Yes.


How are the Earths magnetic field made?

It is made by the movement of the earths core and magma field


Earth's magnetic field results from the spinning of the?

The earths magnetic field results from deep in the earths core. Magnetic conduction from within the earths core is believed to be the cause of this.


Why do scientists believe that the inner core is the source of earths magnetic field?

because it has the hydro electric power to control the earths magnetic field


How is earths magnetic field used by people and animals?

the earths magnetic signature is a negative polarity signature