Question

prove experimentally that the earth is big magnet.

Answer 1

aim :to find experimentally that earth big magnet

materials required : a bar magnet, string, stand 

procedure 

1. take a bar magnet and determine their magnetic north and south poles 
2. take the bar magnet and tie it with a string to bar magnet and the stand and leave it freely suspended and observe

observation :
we can observe that magnetic south and north align with the north direction and south direction which shows that earth is a kind of magnet

result :
hence we can say that earth is a big magnet

Answer 2

Answer:

Bring one pole of a bar magnet to one end of the bar at one time and observe. 3. If it is observed that one end of the metal bar is attracted to one pole and the other end is repelled, it is confirmed that the metal bar is a magnet