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.   north   south   2. The south pole of a freely-suspended bar magnet will _______ of the Earth.   point towards the north pole   align along the equator   point towards the south pole   Hint Half-n-half Clue   3. Magnetic lines of force attract each other.   True   False   4. Magnetic lines of force travel from _______ outside the magnet.   north to south   south to north   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. If a piece of soft iron is placed in a magnetic field, it will get magnetized by influence or _______.   force   electrification   induction   Half-n-half Clue   7. Magnetic line of force is a _______ continuous curve in a magnetic field.   open   closed