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5 Written questions

5 Matching questions

  1. how to create a magnet
  2. magnetic force
  3. temporary magnets
  4. electric generator
  5. atoms
  1. a the force of attraction or repulsion created by moving or spinning electric charges
  2. b changes mechanical energy (work of machines) to electrical energy
  3. c easy to magnetize, but don't stay magnetized for long
  4. d rub a magnet against the iron, nickel, or cobalt to line up the atoms into organized domains....get the atoms to line up
  5. e a very small building blocks of matter

5 Multiple choice questions

  1. small sections of atoms that are lined up to make a magnetic field
  2. interaction of electricity and magnetism
  3. difficult to magnetize, but remain magnetized for longer amounts of time
  4. ferromagnets, electromagnets, permanent, temporary
  5. a curtain of lights which result from solar wind burning up in the atmosphere at the poles

5 True/False questions

  1. electronsa solenoid with a iron core...strong magnetic field


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


  3. electromagnetic inductioncreating electrical current by moving a magnetic field past a coil of wires


  4. north geographic pole ("top" of the Earth)store it with other magnets in a disorderly way - extreme heat - dropping it - hitting it


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


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