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5 Written questions

5 Matching questions

  1. electric generator
  2. Earth's core
  3. temporary magnets
  4. electrons
  5. Hans Christian Oersted
  1. a easy to magnetize, but don't stay magnetized for long
  2. b the area of the earth with moving iron that creates our magnetic field...not every planet has this
  3. c changes mechanical energy (work of machines) to electrical energy
  4. d (1820) discovered that moving charges (electricity) can create magnetic fields
  5. e particles in the outside area of the atom.....when they move and go from atom to atom we call it "electricity"

5 Multiple choice questions

  1. store it with other magnets in a disorderly way - extreme heat - dropping it - hitting it
  2. rub a magnet against the iron, nickel, or cobalt to line up the atoms into organized domains....get the atoms to line up
  3. one of two points such as the ends of a magnet that have opposite magnetic properties
  4. a coil of wire with an electric current running through it...creates a magnetic field
  5. south magnetic pole

5 True/False questions

  1. electromagnetic inductioninteraction of electricity and magnetism

          

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

          

  3. types of magnetswind - water - geothermal - nuclear ----- all of them turn to generate electricity by passing magnets by wires to move electrons

          

  4. Michael Faradaythe force of attraction or repulsion created by moving or spinning electric charges

          

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