Earth is like a giant magnet in several ways. Not only does it have a magnetic north and south pole that act similarly to the poles on bar magnets, but the planet is surrounded by a strong magnetic field, which is electrically charged and able to interact with magnetized matter.Know More
The Earth's magnetism is a direct result of a process called the dynamo effect. In the dynamo effect, the Earth's solid core transfers heat through the molten outer core and up to the surface of the planet via convection, according to Why Do. This causes the liquid part of the core to move, which results in an electrical current. The movement of the Earth as it orbits and spins keeps the liquid core, which is made up of primarily iron and nickel, in constant motion as well. This is why the magnetic force never falters or gets weaker.
Interestingly, most planets and moons are not as magnetic as Earth, which makes the planet unique and interesting in many ways. In fact, most heavenly bodies have very little or no magnetic properties. This is just one of the ways that the planet Earth stands out among the planets, moons and stars in the solar system.Learn More
The ends of a magnet are called the poles. Each magnet has a north pole and south pole. Magnetic fields have field lines, which begin at the north pole of a magnet and end at the south pole.Full Answer >
A magnet will not stick to titanium. Using a magnet is a common method of determining if a metal that's being sold as titanium is actually titanium.Full Answer >
Magnets are made from magnetic materials, or metals that are attracted to a magnet and can be magnetized. They come from metal elements or alloys. Magnets are capable of producing magnetic fields, and they attract metals such as cobalt, iron and nickel.Full Answer >
A U-shaped magnet derives its name from its shape and has both a north and a south pole located in the same plane at the open end of the magnet. This type of magnet is also called a horseshoe magnet.Full Answer >