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Phase Change Revision _ Science 8

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  • Choose the correct answer
    A
    B
    C
    D
  • What process involves the change of state from solid to gas without passing the liquid state?
    freezing
    sublimation
    melting
    evaporation
  • What is your observation on the wet clothes before exposure to the heat of the sun? How about during the time of sun exposure? Finally, after it was exposed to the sun?
    Great job
  • What phase change occurs when water droplets form outside the glass of cold water?
    sublimation
    condensation
    melting
    evaporation
  • Which transformation process occurs in drying of wet clothes?
    freezing
    condensation
    melting
    evaporation
  • Choose the correct answer
    A
    C
    D
    B
  • Which of the given situations demonstrate a phase change?
    drying of fishes
    cutting of nails
    growing of plants
    chopping of woods
  • Choose the correct answer
    B
    A
    C
    D
  • Describe how particles move in solid state.
    They moves in place.
  • Describe how particles move in gas state.
    They moves far apart from each other.
  • What phase change is observed in the formation of clouds in the atmosphere?
    evaporation
    condensation
    melting
    freezing
  • Choose the correct answer
    B
  • Identify the phase change in the picture
    Great Job
  • Describe how particles move in liquid state.
    They moves around each other.
  • What happens to the arrangement of particles in ice cream once its temperature increases?
    The particles are getting farther.
    The particles are getting heavier.
    The particles are coming closer.
    The particles are freezing.
  • Toilet deodorizer (Figure 3) is placed in the comfort room.What causes the change in its size after several days?
    Solid - Gas (Sublimation)
  • What transformation takes place when dry ice (solid carbon dioxide) changes from solid to gas?
    sublimation
    freezing
    melting
    boiling
  • Which of the following phase changes needs an increase of both temperature and kinetic energy?
    liquid to solid
    gas to liquid
    solid to liquid
    gas to solid
  • Fill in the table
    Great Job
  • Choose the correct answer
    D
    A
    B
    C
  • Which transformation process changes the state of a matter from that of a liquid to a solid?
    melting
    condensation
    freezing
    sublimation
  • What state of matter is the lighted candle when it melts?
    liquid