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Transformation of Energy

Quiz by Czarina De Guzman

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5 questions
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  • Q1
    Which situation shows electrical to light energy transformation?
    Lighting a matchstick.
    Turning on a lamp
    Reheating food using a gas stove.
    Switching on an aircon.
    30s
  • Q2
    Which best describes the energy transformation in a light bulb?
    Electrical energy has transformed into light and heat energy.
    Light energy has transformed into electrical energy.
    Electrical energy has transformed into heat and sound energy.
    Mechanical energy has transformed into electrical energy.
    30s
  • Q3
    Electrical energy is transformed into other forms when appliances are used which could result to high electric bill. As a grade 6 pupil, how can you help conserve electrical energy?
    Use the appliances at the same time.
    Turn off the appliances when they are not in use.
    Iron clothes every day.
    Turn on the TV while using the laptop.
    30s
  • Q4
    Hans and his parents went out for dinner. Their house was dark and when they came home, his father switched on the light in their living room. What could Hans conclude about energy?
    Heat energy can change to light energy.
    Electrical energy can change to sound energy.
    Heat energy can change to electrical energy.
    Electrical energy can change to light energy.
    30s
  • Q5
    9. Which of the following objects show the electrical to sound energy transformation?
    oven toaster
    flat iron
    rice cooker
    doorbell
    30s

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