States of Matter and Molecular Motion
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Questions and Answers

What is the energy of motion inside materials called?

  • Potential energy
  • Mechanical energy
  • Thermal energy
  • Internal energy (correct)

    • In which state of matter are the atoms not bound together?

  • Solid
  • Plasma
  • Liquid
  • Gas (correct)

    • What is temperature a measure of in a substance?

  • Total energy of molecular motion in a substance
  • Potential energy stored in bonds
  • Average energy of molecular motion in a substance (correct)
  • Energy required for phase change

    • What is heat in relation to molecular motion in a substance?

    <p>Total energy of molecular motion in a substance</p> Signup and view all the answers

    What is necessary to increase the temperature of a gas?

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

    What is the energy of motion inside materials called?

    <p>Internal energy</p> Signup and view all the answers

    What is necessary to increase the temperature of a gas?

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

    In which state of matter are the atoms not bound together?

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

    What is temperature a measure of in a substance?

    <p>Average energy of molecular motion</p> Signup and view all the answers

    What is heat in relation to molecular motion in a substance?

    <p>Energy transferred from a warmer object to a cooler one</p> Signup and view all the answers

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