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5 Written questions

5 Matching questions

  1. buzzer arm angle
  2. cell
  3. energy and matter
  4. interaction
  5. magnetism
  1. a action between two or more part
  2. b What two general groups are interacting to release sound energy?
  3. c the property, quality or state of being magnetic
  4. d a single unit used to generate or store electrical energy. Commonly called a battery.
  5. e What part (matter) of the buzzer system is most directly involved in sound energy?

5 Multiple choice questions

  1. something that can be changed in an experiment to make the results different
  2. What part (matter) of the buzzer system is most directly involved in chemical energy?
  3. to 'drive back' or force away from another object
  4. energy from chemical reactions
  5. a device for determining directions by means of a magnetic needle turning freely on a pivot and pointing to magnetic north

5 True/False questions

  1. magnetic fieldA ________________ exists around a wire when an electrical current flows through it?

          

  2. electromagnetismStrength of an ___________________________ is determined by amount of current in the wire and the amount of wire coils.

          

  3. brushan electrical conductor made of strips of metal that makes sliding contact between a stationary and moving part or a generator or motor

          

  4. force fieldA ________________ exists around a wire when an electrical current flows through it?

          

  5. motorA ______________ works through the interaction of 2 magnetic fields.