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5 Written questions

5 Matching questions

  1. Earth's core
  2. magnetic force
  3. magnet
  4. how to create a magnet
  5. electromagnetic induction
  1. a material that attracts iron
  2. b the force of attraction or repulsion created by moving or spinning electric charges
  3. c rub a magnet against the iron, nickel, or cobalt to line up the atoms into organized domains....get the atoms to line up
  4. d the area of the earth with moving iron that creates our magnetic field...not every planet has this
  5. e creating electrical current by moving a magnetic field past a coil of wires

5 Multiple choice questions

  1. difficult to magnetize, but remain magnetized for longer amounts of time
  2. (1831) discovered that changing magnetic fields (moving magnets) make electrons flow in wires (electricity)
  3. changes mechanical energy (work of machines) to electrical energy
  4. small sections of atoms that are lined up to make a magnetic field
  5. a coil of wire with an electric current running through it...creates a magnetic field

5 True/False questions

  1. how to "mess up" 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. electromagneta solenoid with a iron core...strong magnetic field

          

  3. ferromagnetsmagnets made or iron, nickel, cobalt or combinations of these elements

          

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

          

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

          

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