1) Opposite poles... a) attract each other b) repel each other c) have no magnetic force d) cancel each other out e) both attract and repel each other 2) Like poles... a) attract each other b) repel each other c) have no magnetic force d) cancel each other out e) both attract and repel each other 3) Which can NOT be magnetized? a) iron b) cobalt c) nickel d) copper 4) The earth is a giant magnet. a) true b) false c) no d) only sometimes 5) Magnetism comes from moving... a) electrons b) protons c) neutrons d) magnetrons 6) A magnetic is created when the electrons... a) line up in the same direction. b) line up in opposite directions. c) do NOT line up. d) move in all directions. 7) Magnets can produce and electric current which is called... a) electromagnetic induction b) electromagnetism c) magnetocurrent d) electromagnetic conduction 8) Which is NOT used to move large electromagnets to create electricity? a) water b) wind c) steam d) fire e) earth 9) Which is NOT a way to create a stronger electromagnet? a) increase current through the wire b) increase loops or coils of wire c) icrease the iron core d) increase friction 10) The most common mineral that can be made into a magnet is? a) iron b) water c) copper d) plastic e) rubber f) wood

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