Physics

9th -

12thgrade

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Open and Closed Systems

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Which of the following is true?

    Energy is found only in living objects

    Energy is a fuel

    Energy is a substance or fluid

    Energy is associated only with movement

    Any store of energy may be transferred into another store

  • 2. Multiple Choice
    30 seconds
    1 pt

    Which of the following is not a store of energy?

    friction

    magnetic

    electrostatic

    nuclear

  • 3. Multiple Choice
    30 seconds
    1 pt

    Which of the following is false?

    Energy is the product of an activity

    Energy cannot be created or destroyed

    When gravity pulls an object towards the ground, energy is transferred mechanically

    A car's engine produces useful kinetic energy and wasted thermal energy

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