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Unit 3 Test Review (2023-2024)

Total questions: 100

Worksheet time: 2hrs 44mins

Name
Class
Date
1.
In which region(s) does temperature remain constant?
a)
Region 1, 3, & 5
b)
Region 2 & 4
c)
Region 1 only
d)
Region 1 & 2
2.
In which region(s) does temperature increase?
a)
Region 1, 3, & 5
b)
Region 2 & 4
c)
Region 1 only
d)
Region 1 & 2
3.
This curve indicates what about the heat energy?
a)
heat energy is being added or absorbed
b)
heat energy is being removed
4.
In which region(s) of the graph does a phase change occur?
a)
Region 1, 3, & 5
b)
Region 2 & 4
c)
Region 1 only
d)
Region 1 & 2
5.
In which region(s) of the graph would the substance only be in one phase?
a)
Region 1, 3, & 5
b)
Region 2 & 4
c)
Region 1 only
d)
Region 1 & 2
6.
In which region(s) of the graph would the substance be a solid only?
a)
Region 1
b)
Region 2
c)
Region 3
d)
Region 4
7.
In which region(s) of the graph would the substance be a solid and a liquid?
a)
Region 1
b)
Region 2
c)
Region 3
d)
Region 4
8.
In which region(s) of the graph would the substance be a liquid only?
a)
Region 1
b)
Region 2
c)
Region 3
d)
Region 4
9.
In which region(s) of the graph would the substance be a liquid and a gas?
a)
Region 2
b)
Region 3
c)
Region 4
d)
Region 5
10.
In which region(s) of the graph would the substance be a gas only?
a)
Region 2
b)
Region 3
c)
Region 4
d)
Region 5
11.
In which region of the graph would be used to find the melting of the substance?
a)
Region 2
b)
Region 3
c)
Region 4
d)
Region 5
12.
In which region of the graph would be used to find the boiling point of the substance?
a)
Region 2
b)
Region 3
c)
Region 4
d)
Region 5
13.
In which region(s) of the graph does melting take place?
a)
Region 2
b)
Region 3
c)
Region 4
d)
Region 5
14.

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

15.

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?

a)

3 minutes

b)

4 minutes

c)

10 minutes

d)

14 minutes

16.

NaCl(s) was heated up starting at an initial temperature of 0°C. The heating curve is shown in the picture. What is the melting point of this substance?

a)

0°C

b)

801°C

c)

1000°C

d)

1465°C

17.

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?

a)

AB

b)

BC

c)

CD

d)

DE

e)

EF

18.

Given the heating curve for water, explain whether it takes more energy to melt water or boil water. Give evidence from the graph to support your response.

4 lines
19.

A substance is cooled for sixteen minutes according to the cooling curve shown. What is the melting point of this substance?

a)

206°C

b)

150°C

c)

90°C

d)

50°C

20.

Heat is being removed from a substance at a constant rate starting in the liquid phase at 75°C and ending at 15°C. The graph shows the temperature change during cooling. What phase change is occurring?

a)

melting

b)

freezing

c)

boiling

d)

condensation

21.

This curve indicates what about the heat energy?

a)

Heat energy is being added or absorbed

b)

Heat energy is being released

22.

In which region(s) of the graph would the substance be a solid only?

a)

Region 1

b)

Region 2

c)

Region 3

d)

Region 4

e)

Region 5

23.

What is the boiling point for this substance?

a)

40 °C

b)

60 °C

c)

120 °C

d)

140 °C

24.

Melting and freezing occur at the same temperature!

a)

True

b)

False

c)

I don't know

25.
Water exists as a _____________ at 700 mmHg and 50 °C.
a)
solid
b)
liquid
c)
gas
d)
supercritical fluid
26.
Water exists as a _____________ at 3 mmHg and 50 °C.
a)
solid
b)
liquid
c)
gas
d)
supercritical fluid
27.
What phase change(s) may occur at pressures below 4.58 mmHg?
a)
sublimation/deposition
b)
melting/freezing
c)
all phase changes are possible at these pressures
d)
vaporization/condensation
28.
The pressure is increased on a sample of water at 0 °C from 0 mmHg to 800 mmHg.  In order, what changes occur?
a)
deposition, melting
b)
sublimation, melting
c)
condensation, freezing
d)
deposition, freezing
29.
What state of matter is X?
a)
solid 
b)
liquid
c)
gas
d)
supercritical fluid
30.
What state of matter is Y?
a)
solid 
b)
liquid
c)
gas
d)
supercritical fluid
31.
What state of matter is Z?
a)
solid 
b)
liquid
c)
gas
d)
supercritical fluid
32.
What change occurs from E to C?
a)
sublimation
b)
freezing
c)
melting
d)
boiling
33.
What change occurs from C to D?
a)
condensation
b)
vaporization
c)
melting
d)
sublimation
34.
What is the normal boiling point of this substance?
a)
150 °C
b)
100 °C
c)
-50 °C
d)
0 °C
35.
What is the normal melting point of this substance?
a)
150 °C
b)
100 °C
c)
-50 °C
d)
0 °C
36.
What is point A?
a)
triple point
b)
critical point
c)
equilibrium point
d)
normal melting point
37.
What is point B?
a)
triple point
b)
critical point
c)
equilibrium point
d)
normal melting point
38.
Above the temperature of point B, this substance exists as a ____________.
a)
solid
b)
liquid
c)
gas
d)
supercritical fluid
39.
Below the temperature of point B, this substance can exist as a ____________.
a)
solid only
b)
liquid only
c)
gas only
d)
either a solid, liquid or gas
40.

Are the particles moving faster or slower as time goes on? (Diagram F)

a)

Faster

b)

Slower

41.

Is the substance gaining or losing energy? (Diagram D)

a)

Gaining

b)

Losing

42.

Which line segment demonstrates vaporization occurring? (Diagram E)

a)

B-C

b)

C-D

c)

D-E

d)

E-F

43.

What will occur when the substance transitions from B to A? (Diagram A)

a)

condensation

b)

evaporation

c)

melting

d)

freezing

44.
What happens when thermal energy is taken away from particles?
a)
They move faster and farther apart
b)
They move slower and closer together
45.
During a phase change, the temperature
a)
increases
b)
decreases
c)
fluctuates
d)
stays the same
46.

What is the normal boiling point of this substance? (Diagram C)

a)

150 °C

b)

100 °C

c)

-50 °C

d)

0 °C

47.

What is the normal melting point of this substance? (Diagram C)

a)

150 °C

b)

100 °C

c)

-50 °C

d)

0 °C

48.

What phase change occurs at letter F?

a)

Melting

b)

Freezing

c)

Vaporization

d)

Sublimation

49.

What phase change occurs at letter B?

a)

Deposition

b)

Melting

c)

Freezing

d)

Condensation

50.

What phase change occurs at letter C?

a)

Vaporization

b)

Sublimation

c)

Melting

d)

Condensation

51.

What phase change occurs at letter E?

a)

Freezing

b)

Deposition

c)

Condensation

d)

Melting

52.

What phase change occurs at letter A?

a)

Freezing

b)

Condensation

c)

Melting

d)

Deposition

53.

What phase change occurs at letter D?

a)

Freezing

b)

Condensation

c)

Melting

d)

Deposition

54.

A ___________ substance has a definite volume but not a definite shape.

a)

gas

b)

liquid

c)

solid

55.

The particles in a _____________ vibrate, are close together, and do not move freely.

a)

liquid

b)

gas

c)

solid

56.
This state of matter takes both the shape and volume of it container.
a)
gas
b)
solid
c)
liquid
57.
The phase change from water vapor to liquid water is known as...
a)
evaporation
b)
precipitation
c)
condensation
d)
sublimation
58.
What is the change from a Solid to a Gas due to the gaining of energy?
a)
Condensation
b)
Vaporization
c)
Sublimation
d)
Deposition
59.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
60.

What is a crystalline solid?

a)

solids with irregular patterns

b)

solids with regular patterns

c)

solids that are crystals

d)

lines of crystals on the side of the road

61.

What is an amorphous solid?

a)

solids whose particles are aligned

b)

solid whose particles are not arranged in a particular order

c)

solids that are like water

d)

solids that are like gas

62.

What is a liquid?

a)

matter than has a definite shape and definite volume

b)

matter that has an indefinite shape and indefinite volume

c)

matter that has a indefinite shape and definite volume

d)

matter that has definite shape and indefinite volume

63.

What is a gas?

a)

matter that has an indefinite volume but definite shape

b)

matter that has a definite shape but no definite volume

c)

matter that doesn't have a definite shape or definite volume

d)

matter that does not exist

64.

What happens to the particles in gas?

a)

spread out quickly

b)

run into one another

c)

vibrate closely together

d)

slide past each other

65.
Freezing
a)
Solid to gas
b)
Liquid to solid
c)
Gas to solid
d)
Liquid to gas
66.
Boiling
a)
liquid to gas
b)
gas to solid
c)
gas to liquid
d)
solid to liquid
67.
What is happening when my ice cream changes from a solid to a liquid?
a)
freezing
b)
melting
c)
burning
d)
evaporation
68.
Particles (molecules) in a ______________________ have more energy than the other states of matter.
a)
gas
b)
solid
c)
liquid
69.
What term describes a solid changing to a gas?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
70.
What is condensation?
a)
gas to solid
b)
gas to liquid
c)
liquid to solid 
d)
solid to liquid 
71.
The speed of the molecules determines the _____.
a)
volume
b)
density
c)
pressure
d)
temperature
72.

According to Boyle's Law, when Pressure increases then the Volume must...

a)
Increase
b)
decrease
73.

According to Boyle's Law, when Volume increases then Pressure must...

a)
Increase
b)
Decrease
74.

According to Boyle's Law, what type of relationship to pressure and volume have?

a)
direct
b)
inverse
c)
no relationship
d)
I don't know
75.
Which container will have a lower pressure?
a)
left
b)
right
c)
they both have the same pressure
d)
I don't know
76.

What remains constant according to Charles’ Law?

a)

Length

b)

Pressure

c)

Temperature

d)

Volume

77.

In CHARLES'S LAW, volume and temperature have a ______ proportionality.

a)

direct

b)

inverse

c)

linear

d)

exponential

78.

In CHARLES' LAW, at constant pressure, what happens to temperature of a gas when the volume doubles?

a)

The temperature also doubles.

b)

The temperature decreases to half of its original volume.

c)

The temperature doesn't change.

d)

The temperature quadruples.

79.

You shake a can of soda & then open it, decreasing its pressure. What happens to the volume of of the carbon dioxide in the soda?

a)

volume increases

b)

volume decreases

c)

stays the same

80.

You go camping & roast marshmallows over a campfire. What happens to the volume of the air bubbles inside the marshmallows?

a)

volume increased

b)

volume decreased

c)

stays the same

81.

According to Charles’s law, the relationship between the temperature and the volume of a gas is

a)

direct

b)

inverse

c)

exponential

d)

inverse square

82.

When the temperature of the gas in closed container is increased, the pressure increases.

a)

True

b)

False

83.
The relationship of which two variables are compared in Charles’s Law?
a)
pressure & volume
b)
volume & temperature
c)
temperature & pressure
d)
volume & moles (amount of gas)
84.
Records show that the incident of tire explosion is high during summer season.  Which of the following gives the best explanation for this observation?
a)
there are more travellers during summer vacation
b)
high temperature during summer season causes the air inside the tire to expand
c)
vehicles' tires are no well maintained
d)
there is too much air inside the tires
85.

a principle that describes relationship between the temperature and volume of a gas at constant pressure.

a)

Boyles's law

b)

Charles's law

c)

Newton's law

86.

At constant volume, when the temperature of a gas decreases, the pressure.......................

a)

increases

b)

decreases

c)

doesn't change

87.

Surface tension is the property of water in which...

a)

water molecules at the surface tend to stick together.

b)

water spills easily.

c)

water tends to be see-through.

88.
Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of the water?
a)
adhesion
b)
surface tension
c)
solvent properties
d)
nonpolar
89.

Low viscosity can be described as...

a)

liquids that flow quickly

b)

liquids that flow slowly

90.

High viscosity can be described as...

a)

a liquid that flows quickly

b)

a liquid that flows slowly

91.

Water is an example of a...

a)

Low viscosity liquid

b)

High viscosity liquid

92.

Peanut butter is an example of a...

a)

High viscosity liquid

b)

Low viscosity liquid

c)

Isnt a liquid at all! Don't be silly.

93.

Which viscosity can be described as "thick"?

a)

Low viscosity

b)

High viscosity

94.

Which viscosity can be described as "thin"?

a)

Low viscosity

b)

High viscosity

95.

In which state of matter are the molecules spaced farthest apart?

a)

Solid

b)

Liquid

c)

Gas

d)

All are equal

96.

Which of the pictures demonstrates a state of matter with a fixed shape and a fixed volume?

a)

J

b)

K

c)

L

d)

M

97.

State of matter with a definite volume, but no definite shape.

a)

solid

b)

liquid

c)

gas

98.

State of matter with a definite shape and definite volume.

a)

solid

b)

liquid

c)

gas

99.

State of matter with no definite shape and no definite volume.

a)

solid

b)

liquid

c)

gas

100.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts

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