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States Of Matter
Test Description: Review for changes of state test
Instructions: Answer all questions to get your test result.
1) What is sublimation?
A
Process in which a gas changes directly to a solid
B
Process in which particles move slowly
C
Process in which a liquid changes to a gas
D
Process in which a solid changes directly to a gas
2) When does condensation occur?
A
When it gets really hot and you start to sweat.
B
After water starts to boil and gas forms.
C
When energy is added to a liquid.
D
When warm air comes in contact with a cold glass and liquid forms on the outside of the glass.
3) What happens when a liquid starts to boil?
A
Liquid changes to a plasma.
B
Liquid changes to a vapor throughout the liquid.
C
Energy is lost.
D
Liquid particles start to move very slowly.
4) Adding energy to a substance's particles is what kind of process?
A
It is an exothermic process.
B
It is an endothermic process.
C
It is a slow process.
D
It is an entering process.
5) Which is an exothermic process?
A
A person leaving the room.
B
Molten iron becoming an iron peg.
C
Ice becoming water.
D
Making hot chocolate.
6) Which of the following is an exothermic change?
A
Condensation
B
Evaporation
C
Sublimation
D
Boiling
7) Water evaporating is what type of change.
A
It is a slow change.
B
It is an exothermic change.
C
It is a physical change.
D
It is a chemical change.
8) Which of the following changes of state is exothermic?
A
Freezing
B
Melting
C
Evaporation
D
Boiling
9) During which change of state do atoms or molecules become more ordered?
A
Boiling
B
Condensation
C
Melting
D
Sublimation
10) Which of the following describes what happens as the temperature of a gas in a balloon increases?
A
The speed of the particles decreases.
B
The pressure of the gas decreases.
C
The volume of the gas increases, and the speed of the particles decreases.
D
The volume of the gas decreases.
*select an answer for all questions
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