To study the field lines formed around a bar magnet
1)The intensity of the magnetic field changes with the shape of the magnet

2)The magnetic lines originate from ___

3)If a magnet is suspended in air via a light string. Its north pole will always point the ___ pole of the earth.

4)A bar magnet is broken in two pieces. Which of the following statements is true?

5)A magnetic compass needle aligns itself in a particular direction due the magnetic field of the earth.