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Evaporation

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  • Give 2 daily activities that use evaporation.
    Drying clothes, sweeping wet floor, drying puddle, cooling down the hot drinks, ironing clothes, drying wet hair, making salt, etc.
  • The process when gas turn into liquid is called ___________.
    Condensation
  • Give 2 examples of solutions from your daily life.
    tea, coffee, saltwater, syrup, hot chocolate drink, etc.
  • The ________ the temperature, the faster the rate of the evaporation.
    higher/hotter/warmer
  • What are the solutes when making tea?
    Tea and sugar
  • The larger the surface area of liquid, then evaporation will be ______
    more/faster/quicker
  • Name 2 factors that affect the rate of evaporation.
    Temperature, wind/movement, surface area, humidity
  • Evaporation is a change from _____ state to _____ state.
    Liquid to gas
  • Evaporation does help out in our every-day life. True or False?
    True
  • The substance that gets dissolved is called the________
    solute
  • We can separate the salt from the seawater by _________
    evaporation
  • Waterfall in an example of solution. True or False?
    True
  • The universal solvent is _________.
    water
  • Evaporation causes fog. True or False?
    False
  • What is the percentage of salt in the ocean?
    3.5%
  • At what temperature does the evaporation happen?
    at any temperature
  • Solutes dissolve faster at ________ temperatures.
    high/hot
  • Give an example when evaporation is NOT useful to us.
    Drought, can cause fire when boiling water
  • When a gas hits a cold surface, it will ________.
    condense
  • When the water vapor loses heat in the air, it will form __________.
    Clouds
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