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5 Written questions

5 Matching questions

  1. mechanical energy
  2. North/North or South/South
  3. energy and matter
  4. vibration
  5. magnetic field
  1. a an invisible area of energy surrounding a magnet (force field)
  2. b What two general groups are interacting to release sound energy?
  3. c What poles repel?
  4. d rapid movement back and forth that produces a sound
  5. e energy from a machine

5 Multiple choice questions

  1. What part (matter) of the buzzer system is most directly involved in sound energy?
  2. Buzzers work because chemical energy is transformed to electrical energy which is transformed into ________________.
  3. an invisible field of energy surrounding an object such as a magnet or electromagnet
  4. the property, quality or state of being magnetic
  5. an electrical conductor made of strips of metal that makes sliding contact between a stationary and moving part or a generator or motor

5 True/False questions

  1. coila number of turns or loops of wire which produce an electromagnet effect

          

  2. repela single unit used to generate or store electrical energy. Commonly called a battery.

          

  3. attracted or repelledan invisible field of energy surrounding an object such as a magnet or electromagnet

          

  4. chemical energyenergy from a machine

          

  5. lines of forcelines that show where a force field is located

          

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