How Is The Magnetic Compass Used Today?

The magnetic compass was an important advance in navigation because it allowed mariners to determine their direction even if clouds obscured their usual astronomical cues such as the North Star. It uses a magnetic needle that can turn freely so that it always points to the north pole of the Earth's magnetic field.

Where are magnetic compasses used?

A compass needle points north because the north pole of the magnet inside it is attracted to the south pole of Earth's built-in magnet.

How does the Chinese magnetic compass work?

The most popular style of the first Chinese compass used a lodestone (which automatically points to the south) and a bronze plate. The lodestone was carved into the shape of a spoon. The spoon was placed on a flat plate of bronze. ... The “magnetized” lodestone aligned itself with the Earth's magnetic field.

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