Which transformation process occurs in drying of wet clothes?
freezing
condensation
evaporation
melting
15
Which transformation process changes the state of a matter from that of a liquid to a solid?
freezing
melting
sublimation
condensation
15
What process involves the change of state from solid to gas without passing the liquid state?
sublimation
melting
evaporation
freezing
15
What phase change is observed in the formation of clouds in the atmosphere?
melting
condensation
freezing
evaporation
15
Choose the correct answer
C
D
B
A
15
Choose the correct answer
B
D
A
C
15
Which of the given situations demonstrate a phase change?
growing of plants
cutting of nails
chopping of woods
drying of fishes
15
What transformation takes place when dry ice (solid carbon dioxide) changes from solid to gas?
melting
boiling
sublimation
freezing
15
Choose the correct answer
D
A
B
C
15
Choose the correct answer
D
A
B
C
15
What phase change occurs when water droplets form outside the glass of cold water?
evaporation
condensation
sublimation
melting
15
Which of the following phase changes needs an increase of both temperature and kinetic energy?
liquid to solid
solid to liquid
gas to liquid
gas to solid
15
What happens to the arrangement of particles in ice cream once its temperature increases?
The particles are coming closer.
The particles are getting heavier.
The particles are getting farther.
The particles are freezing.
15
What state of matter is the lighted candle when it melts?
liquid
15
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
25
Toilet deodorizer (Figure 3) is placed in the comfort room.What causes the change in its size after several days?