Physics

10th -

12thgrade

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SPH3U Energy Unit Review

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38 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    A change from one form of energy into another is called:

    Work

    Power

    Energy transformation

    Conservation of energy

  • 2. Multiple Choice
    30 seconds
    1 pt

    What is efficiency?

    The total amount of energy lost

    The % of energy lost as heat

    The % of energy used to perform work

    How long it takes for energy to be conserved

  • 3. Multiple Choice
    30 seconds
    1 pt

    Which of the following is an example of an energy-efficient device?

    Loudspeaker

    Incandescent light bulb

    Gasoline-powered car

    LED bulb

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