0
To indicate the direction in which the map is drawn to. Without the compass rose, you would not know which direction you are heading to, neither would you be able to navigate your way out with a compass in your hand.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoThe compass essentially allowed for the age of exploration to happen. It has made sea travel possible all year long and in fog and clouds. Its so important that in old times, the punishment for tampering with a compass was having your hand pinned to the mast with a dagger. Ships did't have to winter in port.
Wiki User
∙ 12y agoThe earth has it's own magnetism. The poles are roughly in alignment with the axial poles. As unlike poles of any magnet will attract each other, a man made magnet will also align itself with the earths magnetic poles.
So the magnet in a compass will allow it to be used for navigation, by finding out which direction the poles are, all the other points of the compass can be worked out.
Wiki User
∙ 13y agoits blue
Add your answer:
Earn +20 pts
Is a needle in a compass a permanent magnet?
Yes, it is a permanent magnet.
You are given a small plotting compass and three grey metal bars one is aluminum one is iron one is magnet how can i identify each one?
The bar that affects the compass is the magnet, The bar that is attracted to the magnet is iron, and the bar that is not attracted to the magnet is aluminum.
What happens when you stroke a needle 20 times with a magnet?
it becomes magnetic :)
What causes a compass to behave as it does?
The needle of a compass is a magnet, and the earth is also a magnet. The side of the compass marked N is attracted to the north pole of the Earth, and the side marked S is attracted to Earth's south pole. The compass will spin to line itself up with the poles it is attracted to. However, if you have other magnets nearby, the compass can spin to line itself up with those instead.
What was William Gilbert's theory about why compasses worked?
He found that Earth has a magnetic field also known as magnetosphere
Is compass attracted to magnet?
A compass is a magnet. It reacts like a magnet.
What is the magnet in a compass?
The compass needle.
Is the magnet in a compass a permanent magnetic or an electromagnet?
PermanentThere is no source of current in a compass, therefore the magnet is a permanent magnet.
Where does a compass point when it is moved close to a magnet?
That depends on which pole of the magnet it is moved close to. If it is brought close to the "South" pole of the magnet, the "North" pointer of the compass will be attracted to the magnet. If it is brought close to the "North" pole of the magnet, the "North" pointer of the compass will be repelled and will point AWAY from the magnet, while the "South" end of the compass pointer will point to the magnet.
What is the moveable bar in a compass called?
A compass magnet or a compass needle.
How magnet in compass work?
The magnet in a compass is free to move, and will adjust to any external magnetic field.The magnet in a compass is free to move, and will adjust to any external magnetic field.The magnet in a compass is free to move, and will adjust to any external magnetic field.The magnet in a compass is free to move, and will adjust to any external magnetic field.
Does a compass use a magnet?
no
If there was a magnet beside a compass would the compass point to the north or south?
because inside of the earth acts like a big magnet and the magnet points to the north
Is the magnet in a compass a permanent magnet or electronic?
A. Compasses typically use a permanent magnet.
How far do you need to keep a magnet from a compass?
The compass needle is magnetic so if you place a magnet near the compass, the needle will change direction either attracting or reppeling.
How a compass can be used to trace the magnetic field of the magnet?
The pull of the magnet will over ride the earths magnetism. So the compass will react to the magnet as it passes through its field.
Is a needle in a compass a permanent magnet?
Yes, it is a permanent magnet.
