Learn the meaning of using a compass.

The significance of learning to use a compass is as follows:

1, meaning: As one of four great inventions of ancient china, the invention of compass has played an inestimable role in the development of human science and technology and civilization. In ancient China, the compass was first used for rituals, etiquette, military affairs and divination, and to determine the orientation when looking at geomantic omen.

2. Function: The application of compass in navigation has greatly promoted the great geographical discovery and maritime trade. In ancient China, compasses were used for military and maritime activities, and also for geomantic omen theory. Later, it was introduced to Europe, which played an irreplaceable role in European navigation and geographical discovery.

Compass: Compass is the result of long-term practice of working people in ancient China. The invention of the compass with physical direction indication has three parts, namely Sina, compass and magnetic needle, all of which belong to the invention of China. Under the action of natural geomagnetic field, the magnetic needle can rotate freely and keep in the tangent direction of magnetic meridian, and the north pole of the magnetic needle points to the geographical north pole, so the direction can be distinguished by this property.

Extended knowledge

1, the compass has brought a lot of convenience to our life, so that people can tell the direction and not get lost, whether in the vast sea or in the unfathomable sky. In modern life, compass has a wide range of uses, mainly used in navigation, aviation, military geological survey and so on.

2. The compass is usually used for navigation, geodesy, travel and military affairs. The invention of the compass indicated the direction physically. There are three kinds of components, namely, the Sinar compass and the magnetic needle, both of which were invented by China. According to ancient mine records, it first appeared in the Cishan area during the Warring States Period. How to use the compass?

As one of four great inventions of ancient china, the invention of compass has played an inestimable role in the development of human science and technology and civilization. In ancient China, the compass was first used in ritual, military, divination and geomantic omen.

Compasses are often used in navigation, geodesy, tourism and military affairs. The invention of the compass indicated the direction physically. The components are divided into three categories, namely, Sinar compass and magnetic needle, both of which belong to China's invention 1, a geomagnetic compass made according to the polarity of the earth's magnetic field, but this compass indicates the north-south direction, the real north-south direction.

5. The application of action compass in navigation has greatly promoted geographical discovery and maritime trade, and it has also been used in geomantic omen theory, which has played an irreplaceable role in navigation activities and geographical discovery in Europe. Features The main component is a magnetic needle installed on the shaft, under the action of natural magnetic field.