Importance Of Compass Essay

801 Words2 Pages

First of all, what is a compass? And how did this simple instrument help improve people’s lives dramatically? A compass is a device that indicates direction. It is one of the most important instruments for navigating. It was first invented in Ancient china around 247 B.C. A compass works by detecting the Earth’s natural magnetic fields. During the Warring States period, a device called the” Si Nan” became the forerunner of the compass. The Si Nan was a magnet on a plate with the handle of the ladle pointing to the south. In the 11th century, tiny needles made of magnetized steel were invented. One end of the needle points north while the other points south. The compass was then created. The compass greatly improved everyone’s lives, like for example the ships could go further distance and be able …show more content…

The compass has a huge impact on the world. It makes camping easier, and people won’t get lost so easily. For example, the compass allows ships to travel away from shore and find their way back. Until it was invented, most ocean travel was within sight of land. The first magnetic compass appeared in Italy around the 14th century. The compass was used in the song Dynasty (In ancient china) by the military. It was important because when china was in war, they needed to know where they were going when they were traveling. They needed to know if they were going north, south, east, or west. How does a compass function? A magnet always points north because it has two poles: The south and the north pole.The Earth is a literally a magnet, and it can interact with other magnets in this way, so the north end of a compass magnet attracts to the Earth's magnetic field. Because the Earth's magnetic North Pole attracts the "north" ends of other magnets, it is technically the "South Pole" of the earth’s magnetic field. The geographical pole is the point at 90° northern latitude. It is the north pole that is shown on maps. the geographic North

Open Document