1. Magnets will still retain their magnetism even if they are strongly heated.   True   False   2. Magnetism acts through non-magnetic materials.   True   False   3. Soft iron can be highly magnetized but the magnetism in it is temporary.   True   False   4. The magnetic equator is an imaginary line parallel to the magnetic axis.   True   False   5. The strength of the south pole of a magnet is _______ the strength of its north pole.   greater than   equal to   less than   Hint Half-n-half Clue   6. Unlike poles attract each other.   True   False   7. The imaginary line NS passing through the magnetic north and south poles of a bar magnet is called the   magnetic equator   magnetic axis   magnetic meridian   Half-n-half Clue