Electricity & Heat Transfer Cfu

10 Questions | Total Attempts: 69

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Electricity & Heat Transfer Cfu


Questions and Answers
  • 1. 
    What supplies energy in an electric circuit?
    • A. 

      A conductor

    • B. 

      Light bulb

    • C. 

      A wire

    • D. 

      A battery

  • 2. 
    Which material is a good conductor?
    • A. 

      Glass

    • B. 

      Wood

    • C. 

      Plastic

    • D. 

      Silver

  • 3. 
    What is called a cell?
    • A. 

      The wires

    • B. 

      A battery

    • C. 

      The switch

    • D. 

      The circuit

  • 4. 
    Explain why small pieces of tissue paper stick to a charged balloon.
  • 5. 
    Explain the difference between a series circuit and a parallel circuit.  Which do you have in your house?
  • 6. 
    Materials that do not allow electrical charges to pass through it easily are called
  • 7. 
    Check the good electrical conductors
    • A. 

      Rubber band

    • B. 

      Penny

    • C. 

      Nickel

    • D. 

      Toothpick

    • E. 

      Key

    • F. 

      Paper clip

    • G. 

      Brass fastener

    • H. 

      Glass slide

  • 8. 
    Check the good electrical insulators
    • A. 

      Rubber band

    • B. 

      Penny

    • C. 

      Wood

    • D. 

      Nickel

    • E. 

      Paper clip

    • F. 

      Glass

    • G. 

      Plastic

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