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Phase Change

Total questions: 71

Worksheet time: 1hrs 11mins

Name
Class
Date
1.

A solid (a)   into a liquid

2.

A liquid (a)   into a gas

3.

Phase change from a solid to gas:

a)

Freezing / Solidification

b)

Melting

c)

Deposition

d)

Sublimation

e)

Evaporation

4.

Phase change from a gas to solid:

a)

Freezing / Solidification

b)

Melting

c)

Deposition

d)

Sublimation

e)

Evaporation

5.

Phase change from a liquid to solid:

a)

Freezing / Solidification

b)

Melting

c)

Deposition

d)

Sublimation

e)

Evaporation

6.

Phase change from a liquid to gas:

a)

Freezing / Solidification

b)

Melting

c)

Deposition

d)

Sublimation

e)

Evaporation

7.

Phase change from a gas to liquid:

a)

Freezing / Solidification

b)

Melting

c)

Condensation

d)

Sublimation

e)

Evaporation

8.

The change of one state of matter to another is called

a)

Osmosis

b)

Phase Change

c)

Matter

d)

Energy

9.

A phase change is a chemical or physical change?

a)

Physical

b)

Chemical

10.

When an object undergoes phase change, its mass

a)

increases

b)

stays the same

c)

decreases

11.

This is an example of

a)

Freezing

b)

Melting

c)

Condensation

d)

Sublimation

12.

This is an example of

a)

Deposition

b)

Condensation

c)

Melting

d)

Evaporation

13.

The temperature at which a liquid evaporates to a gas is called

a)

freezing point

b)

boiling point

c)

melting point

d)

condensation point

14.

The temperature at which a liquid freezes to a solid is called

a)

Freezing Point

b)

Melting Point

c)

Boiling Point

d)

Condensation Point

15.

The temperature at which a solid melts to a liquid is called

a)

Boiling Point

b)

Freezing Point

c)

Condensation Point

d)

Melting Point

16.

The temperature at which a gas condenses to a liquid is called

a)

boiling point

b)

condensation point

c)

melting point

d)

freezing point

17.

Three containers with the same amount of the same material are shown below. Which container has the substance with the highest amount of energy?

a)

The container on the left

b)

The middle container

c)

The container on the right

d)

All have an equal amount of energy

18.

What happens to molecules when their kinetic energy increases?

a)

The molecules move slower

b)

The molecules move faster

c)

The molecules get heavier

d)

It depends on the type of molecule

19.

Three containers with the same amount of the same material are shown below. Which container has the substance with the lowest amount of energy?

a)

The container on the left

b)

The middle container

c)

The container on the right

d)

All have an equal amount of energy

20.

What state of matter?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma!!!

21.

What state of matter?

a)

Solid

b)

Liquid

c)

Gas

22.

What state of matter?

a)

Solid

b)

Liquid

c)

Gas

23.
7. All phase changes (changing states) requires energy to be added or taken away.
a)
True
b)
False
24.

TRUE/FALSE: Matter can change from one phase to the other just as water can evaporate.

a)

True

b)

False

25.

Based on this photo, when liquid turning to gas is which of the following down below?

a)

Consensation

b)

Freezing

c)

Evaporation

d)

Melting

26.

If you transfer energy INTO a substance, how will the movement of the molecules change?

a)

They will move SLOWER.

b)

They will move FASTER.

c)

They will not change speed.

d)

Not enough information is provided.

27.

If you transfer energy OUT OF a substance, how will the movement of the molecules change?

a)

They will move SLOWER.

b)

They will move FASTER.

c)

They will not change speed.

d)

Not enough information is provided.

28.

If you transfer energy OUT OF a liquid, which state of matter will it be in?

a)

Solid

b)

Gas

c)

Plasma

d)

Water

29.

If you transfer energy INTO a substance, how will the movement of the molecules change?

a)

They will move SLOWER.

b)

They will move FASTER.

c)

They will not change speed.

d)

Not enough information is provided.

30.

Water molecules were moving IN PLACE and then after energy was transferred into it they were moving AROUND EACH OTHER. What phase change occured?

a)

Freezing

b)

Melting

c)

Evaporation

d)

Condensation

31.

How are molecules moving in a GAS.

a)

Moving in place.

b)

Moving around each other.

c)

Moving away from each other.

d)

Not moving at all.

32.

How are molecules moving in a SOLID?

a)

Moving in place.

b)

Moving around each other.

c)

Moving away from each other.

d)

Not moving at all.

33.

How are molecules moving in a LIQUID?

a)

Moving in place

b)

Moving around each other

c)

Moving away from each other

d)

Not moving

34.

In which state of matter are molecules always moving?

a)

Liquid

b)

Solid

c)

Gas

d)

Molecules are ALWAYS moving in all three states!

35.

What happens to the speed of the molecules as the temperature increases?

a)

The speed increases.

b)

The speed decreases.

c)

The speed remains the same.

d)

The speed doubles.

36.

What happens to the speed of the molecules as the temperature decreases?

a)

The speed increases.

b)

The speed decreases.

c)

The speed remains the same.

d)

The speed doubles.

37.

Scientists increased the speed of the substance’s molecules and caused a phase change. How did they do this?

a)

They put the substance outside.

b)

They transferred energy OUT OF the substance.

c)

Not enough information given.

d)

They transferred energy INTO the substance.

38.

The energy that an object has because it is moving

a)

Molecule

b)

Refute

c)

Density

d)

Kinetic Energy

39.

Which of the following is an intensive property?

a)

Mass

b)

Density

c)

Volume

d)

Size

40.

Which of the following is an extensive property?

a)

Mass

b)

Density

c)

Color

d)

Viscosity

41.

What does Endothermic mean?

a)

Energy is released by a substance

b)

Energy is absorbed by a substance

c)

Energy stays the same in a substance

42.

What does Exothermic mean?

a)

Energy is released by a substance

b)

Energy is absorbed by a substance

c)

Energy stays the same in a substance

43.

The melting point of the sample is

a)

-60 ºC

b)

-100 ºC

c)

60 ºC

d)

100 ºC

44.

Are the particles moving faster or slower as time goes on?

a)

Faster

b)

Slower

45.

Given the heating curve of a solid being heated at a constant rate, what is the boiling point of this substance?

a)

20°C

b)

50°C

c)

110°C

d)

170°C

46.

What term goes on the y-axis? (A)

a)

Heat(Energy)

b)

Temperature

c)

Phase

d)

Type of Matter

47.

What phase of matter exists in part C of the graph?

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

48.

What phase change occurs when you start at D and end at C?

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporization

49.

On which parts of the graph does the temperature remain the same?

a)

Between C and D

b)

Between D and E

c)

At C, D, or E

d)

On both flat sections

50.
A ___ has the same volume and shape that are always the same as the container.
a)
Liquid
b)
Solid
c)
Gas
d)
Plasma
51.
A ___ has the same shape and volume in any container.
a)
Liquid
b)
Solid
c)
Gas
d)
Plasma
52.
A ___ has the same volume in any container, but takes the shape of the container.
a)
Liquid
b)
Solid
c)
Gas
d)
Plasma
53.
A change from solid to gas (without ever being a liquid) is called?
a)
Freezing
b)
Evaporation
c)
Condensation
d)
Sublimation
e)
Melting
54.
A change from gas to liquid is called?
a)
Freezing
b)
Evaporation
c)
Condensation
d)
Sublimation
e)
Melting
55.
A change from liquid into gas is called?
a)
Freezing
b)
Evaporation
c)
Condensation
d)
Sublimation
e)
Melting
56.
Particles in a Liquid have what type of motion?
a)
Fast Motion
b)
Slow Motion
c)
No Motion
d)
Medium Motion
e)
Very, Very Fast Motion
57.
Particles in a Solid have what type of motion?
a)
Fast Motion
b)
Slow Motion
c)
No Motion
d)
Medium Motion
e)
Very, Very Fast Motion
58.
Particles in a Gas have what type of motion?
a)
Fast Motion
b)
Slow Motion
c)
No Motion
d)
Medium Motion
e)
Very, Very Fast Motion
59.

Sulfur has a melting point of 215 ℃. If Sulfur has a temperature of 215 ℃, what phase(s) of matter can it be in?

a)
Only Solid
b)
Only Liquid
c)
Only Gas
d)
Both Solid and Liqiud
e)

Both Liquid and Gas

60.

Sulfur has a melting point of 215 ℃. If Sulfur has a temperature of 210 ℃, what phase(s) of matter can it be in?

a)
Only Solid
b)
Only Liquid
c)
Only Gas
d)
Both Solid and Liqiud
e)

Both Liquid and Gas

61.

Sulfur has a melting point of 215 ℃. If Sulfur has a temperature of 220 ℃, what phase(s) of matter can it be in?

a)
Only Solid
b)
Only Liquid
c)
Only Gas
d)
Both Solid and Liqiud
e)

Both Liquid and Gas

62.
Adding Kinetic Energy to a Phase of Matter cause it to ____.
a)
lose Heat
b)
increase in KE-
c)
have a loss of temperature
d)
have faster moving particles
63.

The condensation point for H2OH_2O   is ___. (remember to use the scientific temperature measurement)

a)

100 °F

b)

100 ℃

c)

99 ℃

d)

32 ℃

64.

Which is an endothermic phase change?

a)

Melting

b)

Freezing

c)

Condensing

d)

Deposition

65.

Which is an exothermic phase change?

a)

Melting

b)

Freezing

c)

Evaporating

d)

Sublimation

66.

Which phase change is endothermic

a)

Melting

b)

Freezing

67.

Which phase change is exothermic

a)

Melting

b)

Freezing

68.

Which phase change is exothermic

a)

Condensing

b)

Evaporating

69.

Which phase change is Endothermic

a)

Condensing

b)

Evaporating

70.

Which phase change is Endothermic

a)

Deposition

b)

Sublimation

71.

Which phase change is Exothermic

a)

Deposition

b)

Sublimation

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