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5 Written questions

5 Matching questions

  1. aurora
  2. magnetic force
  3. types of magnets
  4. permanent magnets
  5. Earth's core
  1. a difficult to magnetize, but remain magnetized for longer amounts of time
  2. b the force of attraction or repulsion created by moving or spinning electric charges
  3. c ferromagnets, electromagnets, permanent, temporary
  4. d the area of the earth with moving iron that creates our magnetic field...not every planet has this
  5. e a curtain of lights which result from solar wind burning up in the atmosphere at the poles

5 Multiple choice questions

  1. changes electrical energy to mechanical energy (it can do work)
  2. (1831) discovered that changing magnetic fields (moving magnets) make electrons flow in wires (electricity)
  3. material that attracts iron
  4. one of two points such as the ends of a magnet that have opposite magnetic properties
  5. creating electrical current by moving a magnetic field past a coil of wires

5 True/False questions

  1. how to create a magnetrub a magnet against the iron, nickel, or cobalt to line up the atoms into organized domains....get the atoms to line up

          

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

          

  3. how to strengthen electromagnetsrub a magnet against the iron, nickel, or cobalt to line up the atoms into organized domains....get the atoms to line up

          

  4. temporary magnetseasy to magnetize, but don't stay magnetized for long

          

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