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Electricity and magnetism

  •  English    25     Public
    Ch. 5
  •   Study   Slideshow
  • True or False: Objects with opposite charges repel each other
    False
  •  15
  • True or False: A conductor allows electricity to flow through it easily
    True
  •  15
  • True or False: An insulator does not allow electricity to flow through it easily.
    True
  •  15
  • True or False: An unbroken path through which negative charges can flow is called a conductor.
    False
  •  15
  • A form of energy that involves the flow of electrical charges is called...
    electricity
  •  20
  • A continuous flow of negative charges through a material is called ________ electricity.
    Current
  •  20
  • A circuit that connects several objects in one complete path is called a _________ circuit
    series
  •  20
  • A circuit that has more than one path is called a __________ circuit.
    parallel
  •  20
  • Every circuit must have a power source and an ________ ________ .
    unbroken path
  •  25
  • An object that attracts certain metals is called a _________.
    Magnet
  •  20
  • The pushing or pulling force caused by a magnet is called ____________.
    Magnetism
  •  20
  • The area around a magnet where the force of a magnet can act is called a __________ __________.________.
    Magnetic Field
  •  25
  • The ends of a magnet are called the ___________.
    Poles
  •  20
  • A magnet’s magnetism is the ___________ at the poles.
    Greatest
  •  20
  • True or False: A temporary magnet formed when an electric current flows through a wire coiled around certain metal cores is called an electromagnet.
    True
  •  15
  • True or False: Magnetism is not related to electricity
    False
  •  15