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5 Written questions

5 Matching questions

  1. temporary magnets
  2. magnet
  3. electromagnetism
  4. types of magnets
  5. electromagnetic induction
  1. a ferromagnets, electromagnets, permanent, temporary
  2. b creating electrical current by moving a magnetic field past a coil of wires
  3. c material that attracts iron
  4. d interaction of electricity and magnetism
  5. e easy to magnetize, but don't stay magnetized for long

5 Multiple choice questions

  1. difficult to magnetize, but remain magnetized for longer amounts of time
  2. store it with other magnets in a disorderly way - extreme heat - dropping it - hitting it
  3. (1820) discovered that moving charges (electricity) can create magnetic fields
  4. a curtain of lights which result from solar wind burning up in the atmosphere at the poles
  5. wind - water - geothermal - nuclear ----- all of them turn to generate electricity by passing magnets by wires to move electrons

5 True/False questions

  1. magnetic forceone of two points such as the ends of a magnet that have opposite magnetic properties


  2. Earth's corethe area of the earth with moving iron that creates our magnetic field...not every planet has this


  3. electric motorchanges mechanical energy (work of machines) to electrical energy


  4. domainssmall sections of atoms that are lined up to make a magnetic field


  5. ferromagnetsa solenoid with a iron core...strong magnetic field