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
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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
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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
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