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5 Written questions

5 Matching questions

  1. armature
  2. heat
  3. insulation
  4. magnet
  5. vibration
  1. a rapid movement back and forth that produces a sound
  2. b What part of the motor system is most directly involved in magnetic force?
  3. c The electric current in the coils of wire around the nail releases ________ energy. This causes the coiled nail to get hot.
  4. d What part of the motor system is most directly involved in mechanical energy?
  5. e a covering made from a non-conducting material used to prevent short circuits or shocks from electricity

5 Multiple choice questions

  1. having the properties of a magnet
  2. energy from chemical reactions
  3. The magnetic force field is ____________________ or _______________ by the magnet.
  4. Strength of an electromagnet is determined by _____________________________________________.
  5. a single unit used to generate or store electrical energy. Commonly called a battery.

5 True/False questions

  1. transformationaction between two or more part

          

  2. insulated wirewire with a coating to protect you from shock

          

  3. batteryWhat part (matter) of the buzzer system is most directly involved in chemical energy?

          

  4. batteryWhat part of the motor system is most directly involved in chemical energy?

          

  5. attractto draw or pull toward another object

          

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