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Phases of Matter

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  • Dry ice changing from a solid to a gas is called?
    Sublimation
  • Change of phase from a solid to a liquid.
    Melting
  • How do we measure particle speed of a substance?
    Temperature
  • State of matter with the least amount of particle energy
    Solid
  • What is the triple point?
    When a substance exists as all 3 phases at once.
  • State of matter where particles are moving quickly and spread out.
    Gas
  • Change of phase from gas to liquid.
    Condensation
  • A substance with no definite shape and no definite volume
    Gas
  • When a liquid boils, the particle movement___
    Increases
  • Describe the particle movement of solids.
    Vibrating
  • How can we boil water at room temperature? Explain
    Decrease the pressure.
  • Complete the following: When temperature __________, pressure __________
    Increases, increases
  • A substance with a definite volume but no shape of its own.
    Liquid
  • A substance with a definite shape and definite volume.
    Solid
  • When a liquid freezes to a solid the particle speed _______
    Decreases
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