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Phase change - Amplify science review

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  • When a substance changes phase from gas to liquid, what happens with kinetic energy
    Kinetic energy decreases
  • What is kinetic energy?
    The energy/ movement particles have
  • Describe the motion of particles in gas phase
    Move apart
  • When a gas changes back to liquid phase this is called...
    Condensation
  • How does a gas change to liquid?
    Removing energy
  • When particles go from solid to liquid this is called...
    Melting
  • Describe a liquid's appearance
    takes the shape of the container, flows
  • Describe a gas's appearance
    takes the shape of the container, no visible shape
  • Describe a solid's appearance
    rigid, holds its shape, stay at the bottom of the container
  • When does phase change happen?
    The kinetic energy is greater or less than molecular attraction
  • How do liquid particles change to gas particles?
    Adding energy
  • What kind of attraction does gas phase have?
    Low molecular attraction
  • When particles go from liquid to gas this is called...
    Evaporation
  • How does a liquid change to solid phase?
    Removing energy
  • How does a solid change to liquid phase?
    Adding energy
  • Describe the motion of particles in solid phase
    Move in place
  • When a substance changes phase from liquid to solid, what happens to kinetic energy?
    Kinetic energy decreases
  • Describe the motion of particles in liquid phase
    Move around each other
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