1) Which materials are attracted to magnets? a) Iron, steel, coins b) Plastic, rubber, wood 2) What do you call the ends of a magnet? a) West and East poles b) North and South poles 3) What happens when like poles face each other? a) They repel b) They attract 4) What is an electromagnet made of? a) A coil of wire wrapped around an iron core connected to a battery  b) A plastic wrapped around a wooden stick connected to a battery 5) What can increase the strength of an electromagnet? a) More coils b) Stronger current 6) An electromagnet is permanent. a) True b) False 7) Name one use of an electromagnet. a) In a crane or doorbell b) To unlock phones 8) Magnetic fields move from which pole to which pole? a) East to west b) North to South 9) What happens when opposite poles are brought togetherr? a) They repel b) They attract 10) What tool shows the direction of magnetic fields? a) A thermometer b) A compass

Magnets and Electomagnets

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