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25
×
Toilet deodorizer (Figure 3) is placed in the comfort room.What causes the change in its size after several days?
Solid - Gas (Sublimation)
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15
×
Which transformation process changes the state of a matter from that of a liquid to a solid?
condensation
sublimation
melting
freezing
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thief
Give points!
5
10
15
20
25
×
seesaw
Swap points!
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gift
Win 15 points!
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×
baam
Lose 10 points!
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15
×
What happens to the arrangement of particles in ice cream once its temperature increases?
The particles are coming closer.
The particles are getting farther.
The particles are freezing.
The particles are getting heavier.
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25
×
Identify the phase change in the picture
Great Job
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15
×
What phase change is observed in the formation of clouds in the atmosphere?
melting
evaporation
freezing
condensation
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15
×
What state of matter is the lighted candle when it melts?
liquid
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15
×
Which of the given situations demonstrate a phase change?
drying of fishes
growing of plants
cutting of nails
chopping of woods
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heart
Other team wins 5 points!
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rocket
Go to first place!
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×
shark
Other team loses 25 points!
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×
thief
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5
10
15
20
25
10
×
Describe how particles move in liquid state.
They move far apart from each other.
They move around each other.
They move in place.
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15
×
What phase change occurs when water droplets form outside the glass of cold water?
melting
sublimation
condensation
evaporation
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seesaw
Swap points!
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rocket
Go to first place!
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fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 25 points!
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10
×
Describe how particles move in gas state.
They move in place.
They move far apart from each other.
They move around each other.
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15
×
What process involves the change of state from solid to gas without passing the liquid state?
sublimation
evaporation
freezing
melting
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10
×
Describe how particles move in solid state.
They move far apart from each other.
They move around each other.
They move in place.
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15
×
Choose the correct answer
B
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