Physics

9th

grade

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Heat, Work and Energy

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    What is the Law of Conservation of Energy?

    Energy can be Destroyed

    Energy cannot be created nor Destroyed

    Energy flows

    Energy can be created

  • 2. Multiple Choice
    30 seconds
    1 pt

    The First Law of Thermodynamics

    The change in internal energy of a system equals the difference between the heat taken in by the system and the work done by the system.

    The change in energy of a system is the sum between the heat taken in by the system and the work done by the process.

    The internal energy of a system equals the difference between the heat taken in by the process and the work done by the process.

    none of the above

  • 3. Multiple Choice
    30 seconds
    1 pt

    It is the Sum of all Molecular Energy

    External Heat

    Internal Heat

    External Energy

    Internal Energy

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