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Total questions: 65
Worksheet time: 1hrs 13mins
This state of matter takes ONLY the shape of its container.
liquid
gas
solid
In this state of matter, the molecules have enough energy to completely separate from each other.
gas
solid
liquid
When a solid changes straight to a gas.
condensation
sublimation
deposition
freezing
When a gas turns straight to solid.
sublimation
melting
deposition
evaporation
The picture is an example of _____________.
freezing
evaporation
condensation
melting
When thermal energy is increased in a solid, what change in state is happening?
Melting
Evaporation
Freezing
Condensation
When thermal energy is decreased in a liquid, what change in state is happening?
Melting
Freezing
Condensation
Evaporation
When thermal energy is increased in a liquid, what change in state is happening?
Melting
Evaporation
Condensation
Freezing
When kinetic energy is decreased in a gas, what change in state is happening?
Melting
Freezing
Evaporation
Condensation
When kinetic energy is increased in a liquid and evaporation occurs, what state of matter does the liquid change into?
Solid
Gas
What happens to the movement of the particles in a substance when the thermal energy is decreased?
Speed Up
Slow Down
What happens to the movement of the particles in a substance when the thermal energy is increased?
Speed Up
Slow Down
A substance that has a temperature below its melting point would be in . . .
a gaseous state of matter
a liquid state of matter
a solid state of matter
a plasma state of matter
What two changes of state occur when kinetic energy is added to/increased in a substance?
Melting
Freezing
Condensation
Evaporation
When a substance changes from a liquid to a solid, this is called...
Melting
Evaporation
Condensation
Freezing
What happens to the arrangement of particles as thermal energy is removed from a substance?
The particles get farther apart.
The particles get closer together.
Given the heating curve of a solid being heated at a constant rate, what is the boiling point of this substance?
20°C
50°C
110°C
170°C
Given the heating curve of a solid being heated at a constant rate, how much total time was required to boil this substance after it reached its melting point?
3 minutes
4 minutes
10 minutes
14 minutes
Given the heating curve for water, during which line segment could I find water in both the solid and liquid phase at the same time?
AB
BC
CD
DE
EF
In which region(s) of the graph would the substance be a liquid and a gas at the same time?
Region 1
Region 2
Region 3
Region 4
Region 5
In which region(s) of the graph would the substance be melting?
No melting occurs on this graph
Region C-E
Region E-G
Region G-I
Region I-K
What is the freezing point of the substance?
0oC
60oC
120oC
180oC
This curve indicates what about the heat energy?
Heat energy is being added or absorbed
Heat energy is being released
This curve indicates what about the heat energy?
Heat energy is being added or absorbed
Heat energy is being released
In which region(s) of the graph does a phase change occur?
Region 1
Region 2
Region 3
Region 4
Region 5
In which region(s) of the graph would the substance be a gas only?
Region 1
Region 2
Region 3
Region 4
Region 5
In which region(s) of the graph does boiling take place?
Region 1
Region 2
Region 3
Region 4
Region 5
