1. During magnetic induction, the end of an unmagnetized magnetic substance nearer to the pole of the inducing magnet acquires _______.   similar polarity   no magnetism   opposite polarity   Hint Half-n-half Clue   2. Magnetic line of force is a _______ continuous curve in a magnetic field.   closed   open   3. The preservation of the magnetism of magnets can be done by using magnetic _______.   fields   lodestones   keepers   Half-n-half Clue   4. The south pole of a freely-suspended bar magnet will _______ of the Earth.   point towards the south pole   align along the equator   point towards the north pole   Half-n-half Clue   5. The angle between the magnetic north pole and the geographic north pole of the Earth is known as the angle of declination.   True   False   6. 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   7. The space around a magnet where its magnetic power (influence) can be detected is called the _______.   magnetic line of force   magnetic keeper   magnetic field   Half-n-half Clue