Question 1 a magnet is? a) an object whose electrons can be aligned in the same direction b) an object that cannot align its electrons in the same direction c) is an object that has no nucleus and only has electrons question 2 which elements can be magnetic? a) iron, carbon, and gold b) cobalt, nickel, and iron c) nickel, gold, and aluminum question 3 a bar magnet is dipolar. this means it has poles. a) zero b) one c) two question 4 the poles of magnets are like electrically charged particles. opposite poles (north and south) each other, and like poles (north and north or south and south each other. a) attract, repel b) repel, attract c) repel, repel question 5 which of the following is not part of an electromagnet? a) toothpick b) power source c) metal core question 6 how can you make an electromagnet stronger? a) add a light bulb and a switch b) add more wire coils and/or switch c) add more wire coils and/or batteries. question 7 earth is a giant magnet. a) true b) false