1. Soft iron can be highly magnetized but the magnetism in it is temporary.   True   False   2. What is the true test for magnetism?   Attraction   Repulsion   Neither Attraction nor Repulsion   Hint Half-n-half Clue   3. Magnetism acts through non-magnetic materials.   True   False   4. An iron nail is suspended vertically from a string. When a strong bar magnet is brought close to it, the iron nail is attracted to the magnet and the string assumes an inclined position. If an iron sheet is placed between the iron nail and the magnet, the string will _______.   remain in an inclined position   return to its vertical position   5. Magnets will still retain their magnetism even if they are strongly heated.   True   False   6. _______ magnets are made of steel.   Permanent   Temporary   Electro   Half-n-half Clue   7. Temporary magnets are made of _______.   copper   steel   soft iron   Half-n-half Clue