Why Earth is a Magnet

Why Earth Is a Magnet

Earth acts like a giant magnet because of what’s happening deep inside it. In the outer core, hot, molten iron and nickel move in swirling patterns as the planet spins. These movements create electric currents, which in turn generate a magnetic field through a process called the geodynamo. This magnet...

Earth is like a giant magnet with its north and south magnetic poles, similar to a bar magnet that has two poles. But how can a planet act like a magnet? The secret lies deep inside the Earth.

Earth’s outer core is made of molten, liquid metals like iron and nickel that are constantly moving.

As these metals move, they generate elect...