1. The shape of the Earth's magnetic field is similar to that of a giant bar magnet placed at the Earth's center with its _______ pole toward the geographic north pole.   south   north   2. If a piece of soft iron is placed in a magnetic field, it will get magnetized by influence or _______.   force   electrification   induction   Hint Half-n-half Clue   3. It is possible to make a bar magnet having a north pole at each end and a south pole in the middle.   True   False   4. The earth has been found to behave like a huge magnet.   True   False   5. The soft iron pieces placed across the poles of a magnet to prevent loss of magnetism are commonly called _______.   magnetic meridians   magnetic fields   magnetic keepers   Half-n-half Clue   6. Magnetic lines of force attract each other.   True   False   7. The preservation of the magnetism of magnets can be done by using magnetic _______.   keepers   fields   lodestones   Half-n-half Clue