Physics Measurements Quiz
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Questions and Answers

What is the branch of science concerned with the nature and properties of matter and energy?

  • Biology
  • Geology
  • Physics (correct)
  • Chemistry
  • What is the measure of the internal energy of the molecules that make up a substance?

  • Temperature
  • Heat (correct)
  • Pressure
  • Volume
  • What is a measure of the average kinetic energy of the molecules in a substance?

  • Pressure
  • Temperature (correct)
  • Heat
  • Volume
  • What is the most fundamental thermodynamic quantity?

    <p>Temperature</p> Signup and view all the answers

    Which quantities describe a system as a body according to the text?

    <p>T, temperature; P, pressure; V, volume; M, mass</p> Signup and view all the answers

    What happens when two bodies with different temperatures contact each other but are isolated?

    <p>Their temperatures become equal</p> Signup and view all the answers

    What is the microscopic interpretation of temperature?

    <p>Measure of the average kinetic energy of molecules</p> Signup and view all the answers

    What is the situation called when a system's state variables do not change over time and have the same value everywhere?

    <p>Thermal equilibrium</p> Signup and view all the answers

    What happens to the electrical resistance of a heated wire?

    <p>Increases</p> Signup and view all the answers

    According to the Zeroth Law of Thermodynamics, what is in balance if two separate objects are in thermal equilibrium with a third object?

    <p>Heat</p> Signup and view all the answers

    What is the instrument used to measure temperature?

    <p>Thermometer</p> Signup and view all the answers

    What is a measure of the nature and properties of matter and energy?

    <p>Physics</p> Signup and view all the answers

    Why is mercury no longer used in most thermometers?

    <p>It is a poisonous substance</p> Signup and view all the answers

    What happens to the pressure of a heated gas?

    <p>Increases</p> Signup and view all the answers

    What happens to the volume of a heated piece of iron?

    <p>Increases</p> Signup and view all the answers

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