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How do you know that is not a huge permanent magnet earths core?
Scientists have studied the Earth's core extensively using seismic waves and magnetic field measurements. The data show that the Earth's core is primarily made of molten iron and nickel, rather than a solid permanent magnet. Additionally, the Earth's magnetic field is generated by the movement of molten metals in the outer core, not by a single large permanent magnet in the core.
WHY IS THAT THE EARTHS INTERIOR IS BELIEVED TO HAVE HIGH TEMPERATURES?
The interior core contains many nuclear properties which gives of huge amounts of heat which then heats the core.
How would you describe the earth's core?
The Earths Core can be broken into two pieces the inner core and the outer core. The Inner Coreis made of SolidIron. The Outer Core is made of Liquid Iron.
What is earths moon made of?
The moon is a huge ball of rock, chemically similar to the rocks of the Earth's crust and mantle. It does not have a core of nickel and iron, unlike the Earth.
Does a compass behaves as it does because the moon acts as a giant magnet?
No, the earth is itself a huge magnet.
What are the benefits of using an electromagnet rather than a bar manet?
An electro-magnet can be switched on & off - a bar magnet is 'permanent' Think of a scrap-yard. If the magnet they use to pick up huge quantities of metal were permanent, they'd have to manually remove every piece. With an electro-magnet, they simply turn the power on to pick up a load, and off when they want to release it. You can make your own electro-magnet with a battery, some wire and a large nail.
What advantages does an electromagnet have from a perminant magnet?
An electromagnet can be turned "off" and "on". It was one of the great benefits verses a permanent magnet. If you'll watch video of a salvage yard, you will notice they hoist huge electormagnets to pick up scrap metal, and then cut the magnetism so that they can drop the debris in a desired location
What would happen to a magnet if heated?
Heating a magnet can weaken or even destroy its magnetic properties. This is because increased temperature can disrupt the alignment of the magnetic domains within the magnet, causing it to lose its magnetization.
What part of the earths stores huge amounts of the sun's heat?
The Oceans stores the huge amounts of the sun's heat.
Does the core cause a huge increase in the speed of P-waves?
No, it causes a huge decrease in speed.
Huge mass of ice that moves slowly across the earths surface?
It is an iceberg.
Why does the Earth act like a huge magnet?
The effect is entirely natural and happens because Earth has a molten outer core made of Iron which is convecting. When such a body is then rotated (spun on its axis) natural magnetic fields and electric currents are generated in it. These are the source of Earth's magnetic field.
