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4.3 Science Review

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    Questions reviewing magnets.
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  • A material that allows electrical current to flow through it easily.
    Conductor
  •  15
  • A material that does not allow electrical currents to flow through it easily.
    Insulator.
  •  15
  • What is an example of a good insulator?
    plastic, rubber
  •  20
  • What is an example of a conductor?
    Anything that has metal.
  •  20
  • What could be used to close a circuit with a gap?
    A conductor or anything with metal in it
  •  20
  • What does static electricity cause?
    hair sticking up, getting shocked when touched
  •  15
  • What phenomenon that occurs in nature is caused by static electricity?
    lightening
  •  10
  • Name the three forms of energy that electrical energy can be transformed into.
    heat, light, and mechanical or motion energy
  •  25
  • Give an example of mechanical energy.
    fan
  •  15
  • Give an example of heat energy.
    toaster
  •  15
  • Give an example of light energy.
    A lamp or light
  •  15
  • A nail with a wire coiled around it connected to a battery is called a what?
    electromagnet
  •  20
  • What makes an electromagnet strong?
    The more wire wrapped around the nail, the stronger the electromagnet
  •  25
  • The complete path electricity moves in within a circuit with no breaks in the flow, is which circuit?
    Closed Circuit
  •  15
  • A circuit contained a break that does not allow the flow of electricity, is which circuit?
    Open Circuit
  •  15
  • A circuit that connects several objects in a way that the current for each object has it own path, is which circuit?
    Parallel Circuit
  •  15