1) When two like poles of a magnet are close they ________ each other. a) attract b) repel 2) When two opposite poles of a magnet are close they ________ each other. a) attract b) repel 3) Where is the magnetic field the strongest on a bar magnet? a) where the lines cross b) in the middle c) at the South pole d) at the north pole e) where the lines are closest 4) In what direction do magnetic field lines point? a) from N to S b) from S to N c) in all directions 5) Which of the following statements about magnets is correct? a) They have a single pole b) They have two poles. c) They have three poles d) They can have any even number of poles. 6) Which of the following statements about the magnetic force is correct? a) It is s non-contact force b) It is a contact force c) It is a charge force d) It is an electrostatic force. 7) Which of the following materials can be used to show the magnetic field of a magnet? a) Sawdust b) Lycopodium powder c) Iron filings d) Water spray 8) How are iron filings affected by a magnet? a) They mainly collect at the poles b) They are evenly distributed around the magnet. c) They are repelled away from the magnet. d) They collect at the centre of the magnet. 9) What causes a compass needle to point towards Earth’s north pole? a) The moon’s magnetic field. b) Earth’s magnetic field c) The charge inside the Earth d) The charge in the atmosphere. 10) Which of the following correctly describes the direction in which the needle of a plotting compass will point? a) Away from the N-pole of a magnet b) Away from the S-pole of a magnet c) Towards the N-pole of a magnet d) Towards the S-pole of a magnet. 11) In which direction do magnetic field lines point? a) From the S-pole of a magnet to the N-pole b) From the S-pole of a magnet to the S-pole c) From the N-pole of a magnet to the S-pole d) From the N-pole of a magnet to the N-pole 12) A magnet that is made using a current of electricity a) Electrostatic b) Permanent magnet c) Electrode d) Electromagnet 13) An electromagnet can be turned on and off a) True b) False

Magnets and magnetism

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