1. During magnetic induction, the end of an unmagnetized magnetic substance nearer to the pole of the inducing magnet acquires _______.   opposite polarity   no magnetism   similar polarity   Hint Half-n-half Clue   2. Magnetic lines of force intersect each other at right angles.   True   False   3. The earth has been found to behave like a huge magnet.   True   False   4. Magnetic lines of force travel from _______ outside the magnet.   south to north   north to south   5. The soft iron pieces placed across the poles of a magnet to prevent loss of magnetism are commonly called _______.   magnetic fields   magnetic keepers   magnetic meridians   Half-n-half Clue   6. The space around a magnet where its magnetic power (influence) can be detected is called the _______.   magnetic field   magnetic line of force   magnetic keeper   Half-n-half Clue   7. It is possible to make a bar magnet having a north pole at each end and a south pole in the middle.   True   False