# Who uses compass and why?

## Who uses compass and why?

The magnetic compass was first invented as a device for divination as early as the Chinese Han Dynasty and Tang Dynasty (since about 206 BC). The compass was used in Song Dynasty China by the military for navigational orienteering by 1040–44, and was used for maritime navigation by 1111 to 1117.

What is the use of compass answer?

A compass is a tool for finding direction. A simple compass is a magnetic needle mounted on a pivot, or short pin. The needle, which can spin freely, always points north.

What is the importance of a compass?

A compass is a navigational instrument for determining direction relative to the Earth’s magnetic poles. It consists of a magnetized pointer (usually marked on the North end) free to align itself with Earth’s magnetic field. The compass greatly improved the safety and efficiency of travel, especially ocean travel.

### What are compasses used for today?

The compass is used for navigation, location and direction. People use it to find their way, whether it is on a hiking trail or on a trip to a new location. It is an instrument composed of a suspended magnetic pointer that is attracted to the polarity of the North Pole.

What is an example of a compass?

A compass is defined as a device with magnetic needles used for showing the direction one is facing. An example of a compass is what a backpacker would use to find their way through the woods. An example of compass is what an architect uses for drawing curves in a building plan.

How do I use a compass to tell directions in my house?

Once the 0°/360° mark on the compass housing and the North end of the needle are aligned, determine what line is directly in front of you. In other words, the compass line which is exactly in front of you shows the actual degree or the facing of your house. Let’s say that the compass reading is 45° (North-East).

## What is the use of compass 6 class?

Compass is used to indicate directions. Operation of compass is on magnetic or gyroscopic principles or by determining the direction of sun or star. Magnetic compass work since Earth is a huge bar magnet with north and southeast fields that follow freely moving magnets to take the same aim.

How do you use a compass in math?

A math compass is used to draw perfect circles. The compass works with a sharpened pencil inserted into the cam lock. A sharp, pointed tip rests on the paper that the circle will be drawn on, and you rotate the top of the compass to create a circle of a certain diameter.

How do I use a compass?

Hold the compass horizontally in front of you with the direction of travel arrow pointing away from you. Use this arrow to guide you to your destination. Turn your body until the north end of the magnetic needle is aligned with the orienting needle, and you’ll be properly oriented toward the destination on the map.

### How do you read a compass?

To read your compass, Hold your compass steadily in your hand so the baseplate is level and the direction-of-travel arrow is pointing straight away from you. Hold it about halfway between your face and waist in a comfortable arm position with your elbow bent and compass held close to your stomache.