Observe the depiction of magnetic fields of two types of magnets.
What are the main differences between the magnets in the picture ?

Observe the depiction of magnetic fields of two types of magnets. How can you identify the direction of the magnetic fields ?

Observe the depiction of magnetic fields of two types of magnets. The magnetic field of which magnets are depicted ?

Observe the depiction of magnetic fields of two types of magnets. How can you find out the polarity of these magnets using a magnetic compass ?