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Unit 1

Total questions: 237

Worksheet time: 4hrs 32mins

Name
Class
Date
1.
7. All phase changes (changing states) requires energy to be added or taken away.
a)
True
b)
False
2.

Change from Liquid to Solid is called ...

a)

fusion

b)

Freezing

c)

sublimation

d)

evaporation

3.
Change from gas to liquid...
a)
condensation
b)
evaporation
c)
expansion
d)
movement
4.

Change from liquid to gas is called....

a)

expansion

b)

evaporation

c)

condensation

d)

sublimation

5.

What state/phase is the object likely from points A to B?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

6.

What is happening to the particles in the substance between points D and E?

a)

Melting

b)

Freezing

c)

Vaporizing

d)

Sublimating

7.

Where on the graph are phase changes taking place?

a)

1

b)

2

c)

3

d)

4

e)

5

8.

Which statement is NOT true about gases?

a)

Gases flow.

b)

Gases spread out.

c)

Gases cannot be held.

d)

None of these.

9.
What is an example of gas?
a)
crayons
b)
paper
c)
soda
d)
air
10.
What is an example of a solid?
a)
wind
b)
water
c)
rock
d)
juice
11.

Does air have weight?

a)

no

b)

sometimes

c)

yes

d)

of course not

12.

The phase change when a solid becomes a liquid.

a)

freezing

b)

sublimation

c)

melting

d)

condensation

13.

During a PHASE CHANGE, like freezing, temperature...

a)

increases.

b)

decreases.

c)

does NOT change.

d)

varies.

14.

The phase change when a liquid becomes a gas.

a)

melting

b)

boiling

c)

sublimation

d)

evaporation

15.

The phase change when a gas becomes a liquid.

a)

condensation

b)

evaporation

c)

deposition

d)

sublimation

16.
What happens when my glass of water is sitting in the sun and disappears into a gas?
a)
evaporation
b)

condensation

c)
melting
d)
freezing
17.

Which process could cause a material to change state from gas to liquid?

a)

Adding heat

b)

Adding energy

c)

Removing particles

d)

Removing energy

18.
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
19.

What must happen for molecules to move slower?

a)

Kinetic energy is not changing. Temperature decreases.

b)

Kinetic energy and temperature depend on the molecules.

c)

Kinetic energy is decreasing and temperature is decreasing.

d)

Kinetic energy is decreasing and temperature is increasing.

20.

What phase is A?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

21.

What phase is C?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

22.

What phase is E?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

23.

What phase is D?

a)

Melting

b)

Freezing

c)

Vaporization/Evaporating

d)

Condensing

24.

What phase is F?

a)

Melting

b)

Freezing

c)

Vaporization/Evaporating

d)

Condensing

25.

What phase is B?

a)

Melting

b)

Freezing

c)

Vaporization/Evaporating

d)

Condensing

26.

What phase is G?

a)

Melting

b)

Freezing

c)

Vaporization/Evaporating

d)

Condensing

27.

What is true about point D?

a)

The molecules are slowing down and getting closer together

b)

The molecules are slowing down and getting further apart

c)

The molecules are speeding up and getting closer together

d)

The molecules are speeding up and getting further apart

28.

What is true about point F?

a)

The molecules are slowing down and getting closer together

b)

The molecules are slowing down and getting further apart

c)

The molecules are speeding up and getting closer together

d)

The molecules are speeding up and getting further apart

29.

What is true about point B?

a)

The molecules are slowing down and getting closer together

b)

The molecules are slowing down and getting further apart

c)

The molecules are speeding up and getting closer together

d)

The molecules are speeding up and getting further apart

30.

What is true about point G?

a)

The molecules are slowing down and getting closer together

b)

The molecules are slowing down and getting further apart

c)

The molecules are speeding up and getting closer together

d)

The molecules are speeding up and getting further apart

31.

Which of the following is true about the lines on the phase change diagram?

a)

The diagonal line represents a phase change of matter

b)

The flat line represents the phase of matter

c)

The diagonal line shows a change in temperature

d)

The flat line shows a change in temperature

32.

Which of the following is true about the lines on the phase change diagram?

a)

The diagonal line represents the phase of matter

b)

The flat line represents the phase of matter

c)

The diagonal line shows no change in temperature

d)

The flat line shows a change in temperature

33.

Which of the following is NOT true about the lines on the phase change diagram?

a)

The diagonal line represents the phase of matter

b)

The flat line represents a change in the phase of matter

c)

The diagonal line shows a change in temperature

d)

The flat line shows a change in temperature

34.

Which of the following is NOT true about the lines on the phase change diagram?

a)

The diagonal line represents the phase of matter

b)

The flat line represents a change in the phase of matter

c)

The diagonal line shows a change in temperature

d)

The flat line shows no change in time

35.

Which of the following is true about the lines on the phase change diagram?

a)

The flat line on the graph demonstrates that the temperature does not change until the phase change is complete

b)

The flat line represents a change in the phase of matter

c)

The flat line shows a change in temperature

d)

The flat line shows no change in time

36.

What is needed for a solid to change to a liquid?

a)

Thermal energy needs to increase the molecules need move further apart this is called melting

b)

Thermal energy needs to decrease the molecules need to move closer together this is called freezing

c)

Thermal energy needs to increase the molecules get closer together this is called melting

d)

Thermal energy needs to decrease the molecules get further apart this is called freezing

e)

Thermal energy needs to increase the molecules get further apart this is called vaporization

37.

What is needed for a liquid to change to a solid?

a)

Thermal energy needs to increase the molecules need move further apart this is called melting

b)

Thermal energy needs to decrease the molecules need to move closer together this is called freezing

c)

Thermal energy needs to increase the molecules get closer together this is called melting

d)

Thermal energy needs to decrease the molecules get further apart this is called freezing

e)

Thermal energy needs to decrease the molecules get closer together this is called condensation

38.

What is needed for a liquid to change to a gas?

a)

Thermal energy needs to increase the molecules need move further apart this is called vaporizing

b)

Thermal energy needs to decrease the molecules need to move closer together this is called freezing

c)

Thermal energy needs to increase the molecules get closer together this is called vaporizing

d)

Thermal energy needs to decrease the molecules get further apart this is called freezing

e)

Thermal energy needs to decrease the molecules get closer together this is called condensation

39.

What is needed for a gas to change to a liquiid?

a)

Thermal energy needs to increase the molecules need move further apart this is called vaporizing

b)

Thermal energy needs to decrease the molecules need to move closer together this is called freezing

c)

Thermal energy needs to increase the molecules get closer together this is called vaporizing

d)

Thermal energy needs to decrease the molecules get further apart this is called freezing

e)

Thermal energy needs to decrease the molecules get closer together this is called condensation

40.

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

a)

Heat(Energy)

b)

Temperature

c)

Phase

d)

Type of Matter

41.

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

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

42.

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

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

43.

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

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

44.

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

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporization

45.

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

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporization

46.

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

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporization

47.

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

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporization

48.

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

49.

On which parts of the graph does the temperature change?

a)

Between C and D

b)

Between D and E

c)

At C, D, or E

d)

On both flat sections

50.

The temperature changes the most during a phase change.

a)

True

b)

False

51.

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

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporization

52.

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

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporization

53.

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

a)

Freezing

b)

Melting

c)

Condensing

d)

Vaporization

54.

On which parts of the graph does the temperature change?

a)

Between C and D

b)

Between D and E

c)

At C, D, or E

d)

On both flat sections

55.

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

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

56.

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

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

57.
Which phase change increases the molecule's freedom of movement?
a)
Melting
b)
Freezing
c)
Condensing
58.

How would you describe the way molecules move when the molecules are gas?

a)

the molecules are moving in place.

b)

the molecules are moving around each other.

c)

the molecules are moving away from each other.

d)

the molecules are not moving

59.

What happens to molecules when the temperature drops or lowers?

a)

The molecules get closer together

b)

The molecules start moving faster.

c)

The molecules stop moving.

d)

The molecules become smaller.

60.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
61.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
62.
Define a liquid.
a)
Indefinite shape, indefinite volume
b)
Definite shape, definite volume
c)
Found in stars
d)
Definite volume, indefinite shape
63.
What would cause a decrease in particle movement?
a)
decrease atoms
b)
increase in space between atoms
c)
decrease in temperature
d)
increase in mass
64.
How are the particles moving in liquids?
a)
Sliding past one another
b)
moving past one another with great speed
c)
vibrating in a fixed postion
65.

The state of matter that has particles close together and vibrating.

a)

liquid

b)

solid

c)

gas

d)

water

66.

Temperature MEASURES...

a)

the movement of particles.

b)

how hot it is.

c)

how cold it is.

d)

weather.

67.

Which of the following are characteristics of a gas? (Check all that apply)

a)

Definite Shape

b)

Indefinite Shape

c)

Definite Volume

d)

Indefinite Volume

e)

Ionized

68.

Which of the following are characteristics of a liquid? (Check all that apply)

a)

Definite Shape

b)

Indefinite Shape

c)

Definite Volume

d)

Indefinite Volume

e)

Ionized

69.

Identify the following phase of matter.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

70.

Which of the following statements are TRUE about states of matter and kinetic energy? (more than one answer)

a)

Fewer particles means there is more kinetic energy

b)

As temperature increases so does kinetic energy

c)

As temperature decreases particles move closer together

d)

As the number of particles increases so does kinetic energy

71.

Which substance has the most energy?

a)

Ice water

b)

Ice

c)

Tap water

d)

Lightning

72.
Rank the phases of matter from the greatest amount of energy to the least amount of energy.
a)
Solid, liquid, plasma, gas
b)
plasma, liquid, solid, gas
c)
solid, liquid, gas, plasma 
d)
plasma, gas, liquid, solid 
73.

How does plasma, the fourth state of matter, differ from a gas?

a)

Plasma has indefinite shape and volume; gas does not.

b)

Plasma has definite shape and volume; gas does not.

c)

Plasma cannot conduct electricity; gas can.

d)

Plasma has electrically charged particles like the Northern Lights; gas does not.

74.

Phase changes always involve changes in

a)

matter.

b)

space.

c)

color.

d)

energy.

75.
The faster molecules move, 
a)
the higher the temperature
b)
the less temperature
c)
the same temperature
d)
I don't know
76.

Measures how fast or how slow molecules are moving

a)

Density

b)

Temperature

c)

Heat

d)

All of them

77.

How are plasma and gas different?

a)

Plasma has a definite shape, but gas does not.

b)

Gas is hotter than plasma.

c)

Electrons separate from atoms in plasma and plasma is hotter.

d)

Gas has a definite volume, but plasma does not.

78.

This is the most abundant state of matter in the Universe!

a)

Gas

b)

Plasma

c)

Solid

d)

Liquid

79.

Which state of matter would be described as having highly energized, charged particles which move extremely fast?

a)

solid

b)

liquid

c)

plasma

d)

gas

80.
The theory that states that all matter is made of atoms & molecules and those particles are always in motion. 
a)
Conservation Theory 
b)
Kinetic Theory of Matter
c)
Phases of Matter Theory 
d)
The Theory of Energy & Matter 
81.
Classification of matter is based on all of the following except: 
a)
Particle arrangement 
b)
Distance between particles 
c)
Number of particles 
d)
Energy of particles 
82.
In the liquid phase, particles are tightly packed together, vibrating in a fixed position. 
a)
True
b)
False, particles in a liquid are closely packed together but can slide past each other
c)
False, particles in a liquid are moving very rapidly and are very far apart
d)
False, liquids have a definite shape and volume
83.
The temperature at which a liquid becomes a gas is called its ___________________.
a)
Melting point
b)
Freezing point 
c)
Condensation point 
d)
Boiling point 
84.
Rank the phases of matter from the greatest amount of energy to the least amount of energy.
a)
Solid, liquid, plasma, gas
b)
plasma, liquid, solid, gas
c)
solid, liquid, gas, plasma 
d)
plasma, gas, liquid, solid 
85.

SELECT ALL THAT APPLY

When you add energy to matter...

a)

...the particles move faster.

b)

...it might change state.

c)

...the temperature will increase.

d)

...you remove cold energy.

e)

All of the above.

86.

What term goes on the x-axis? (B)

a)

Heat(Energy)

b)

Temperature

c)

Phase

d)

Type of Matter

87.

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

a)

Heat(Energy)

b)

Temperature

c)

Phase

d)

Type of Matter

88.

As an ice cube melts, its molecules

a)

absorb heat energy and move farther apart

b)

release heat energy and move farther apart

c)

absorb heat energy and move closer together

d)

release heat energy and move closer together

89.

Which state of matter is described below?

1. Particles are packed closely together

2. Particles vibrate

3. Strong molecular attraction between particles

a)

solid

b)

liquid

c)

gas

d)

plasma

90.

Which state of matter is described below?

1. Particles are less densely packed

2. Particles slide around past each other

3. Not a strong molecular attraction between particles

a)

solid

b)

liquid

c)

gas

d)

plasma

91.

Which state of matter is described below?

1. Particles move freely

2. High energy

3. Very weak molecular attraction between particles

a)

solid

b)

liquid

c)

gas

d)

plasma

92.

A hot air balloon rises because its ___.

a)

particles are less attracted by gravity when heated

b)

particles move slower and closer together when heated

c)

particles move faster and farther apart when heated

d)

particles become charged and repel each other when heated

93.

The three states of matter are different. However, liquids and gases do have some things in common. One of these is ____.

a)

the liquids and gases are both more dense than solids

b)

the liquids and gases both take the shape of their container

c)

that liquids and gases have the same densities as solids

d)

that liquids and gases do not take the shape of their container

94.

The change from a liquid to a solid state is called ___.

a)

freezing

b)

melting

c)

condensing

d)

vaporizing

95.

What are the 3 parts of kinetic molecular theory?

a)

Matter is made up of tiny particles called atoms

b)

The phase is dependent on the kinetic energy of the particles

c)

Atoms are in constant random motion.

d)

All matter has mass and takes up space.

e)

When an item is heated up it becomes a gas

96.

The unit for mass is...

a)

Newton

b)

grams

c)

mililiters

d)

centimeters

97.

What is this tool called....

a)

Ruler

b)

Thermometer

c)

Beaker

d)

Graduated Cylinder

98.

A graduated cylinder is used to measure...

a)

Volume

b)

mass

c)

weight

d)

density

99.

The unit for volume is. (there is more than one right answer)

a)

grams

b)

milliliters (mL)

c)

Newton

d)

Centimeters Cubed

100.

 

What two types of measurements make up DENSITY? 

a)

Volume and Weight

b)

Temperature and Mass

c)

Mass and Volume

101.

What is the density of water?

a)

34 g/mL

b)

1 g/mL

c)

29 g/mL

d)

6 g/mL

102.

Measuring the volume of a block uses which equation

a)

Length ×Width×HeightLength\ \times Width\times Height  

b)

(radius)2×Length×π\left(radius\right)^2\times Length\times\pi  

103.

What is the unit for density ?

a)

g/ mL

b)

g

c)

gcm3\frac{g}{cm^3}  

d)

cm4cm^4  

104.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
105.
Look at this image.  Which object has the LOWEST density in water? How? 
a)
The Ping Pong Ball because it floats to the top 
b)
The bolt because it has sunk to the bottom
c)
The soda cap because it is not just full of air like the Ping Pong ball
106.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
107.
If an object has a density of .6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
108.
If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
109.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
110.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
111.
Calculate the density of the cube.
a)
2 g/cm3
b)
4 g/cm3
c)
6 g/cm3
d)
8 g/cm3
112.
What is the volume of Object X?
a)

10.0 ml

b)

15.0 ml

c)

20.0 ml

d)

25.0 ml

113.
What is the volume of the fish?
a)

18.0 ml

b)

6.0 ml

c)

38.0 ml

114.
An irregularly shaped piece of gold was lowered into a graduated cylinder holding a volume of water equal to 17 ml. The height of the water rose to 20 ml. If the mass of the gold was 27 g, what was its density?
a)
9 g/mL
b)
10.5 g/mL
c)
6.5 g/mL
d)
8 g/mL
115.
How much water has been displaced in the image shown?
a)
40 mL
b)
65 mL
c)
20 mL
d)
25 mL
116.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
117.

Which box has a higher density?

a)

A

b)

B

c)

They are the same

118.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
119.
A piece of copper has a mass of 89g and a volume of 10 cm3.  What would be the density of the copper?
a)
0.89 g/cm3
b)
89 g/cm3
c)
8.9 g/cm3
d)
890 g/cm3
120.

Calculate the density in the following question: A flower pot has a mass of 95 g and a volume of 92 mL.

a)

1.03 g/mL

b)

0.97 g/mL

c)

1.01 g/mL

d)

0.99 g/mL

121.

An object has a volume of 6 cm3 and a mass of 42 g. What's it's density?

a)

7 g/cm3

b)

48 g/cm3

c)

42 g/cm3

d)

6 g/cm3

122.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
123.
In the picture, the mass of the block is 200 g, the dimensions of the block are 6 cm by 4 cm by 5 cm.  What is its density?
a)
1.67g/cm3
b)
13.33 g/cm3
c)
0.60 g/cm3
d)
 24000 g/cm3
124.

The amount of water displaced is the same as the volume of the object. What is the VOLUME of the object?

a)
40 mL
b)
65 mL
c)
20 mL
d)
25 mL
125.

An object is is placed into 45 mL of water. The water rises to 48 mL. What is the volume of the object?

a)

3 mL

b)

93mL

c)

8 mL

d)

83 mL

126.
An object's volume was determined through water displacement.  The starting height of the water was 58 mL and the ending height was 65 mL.  What is the density of the object if it has a mass of 47.5 g?
a)
0.39 g/cm3
b)
6.79 g/cm3
c)
67.86 g/cm3
d)
0.15 g/cm3
127.
What is the volume of 150 grams of lead if it has a density of 11.3 g/cm3?
a)
13.3 g
b)
13.3 cm3
c)
.075 g
d)
1695 cm3
128.

The density of a material is 2 g/cm3. The volume is 24 cm3 . What is the mass?

a)
12 grams
b)
48 grams
c)
12 g/cm3
d)
48 g/cm3
129.
What is the mass of a substance with a volume of 72.5 cm3 and a density of 0.94 g/cm3?
a)
68.15 g
b)
77.13 g
c)
62 g
d)
100 g
130.

If an object has a density of 6 g/mL and you put it into water, will it sink or float?  

a)
sink
b)
float
131.
If an object has a density of .6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
132.
If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
133.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
134.

Using the picture, tell me which object is the least dense and why?

a)

The fish because he is in the middle

b)

The cork because it is floating at the top of the water

c)

The rock because it is at the bottom

d)

The cork and the rock because they have the same about of atoms.

135.

#14 Show all your work on your answer document. D=m/v

a)

10 g/cm3

b)

0.14 g/cm3

c)

7 g/cm3

d)

60 g/cm3

136.

#15 Show all your work on your answer document. m=D⋅V

a)

0.25 g

b)

3 g

c)

4 g

d)

5 g

137.

#16 Show all your work on your answer document. m=D⋅V

a)

0.625 g

b)

1.6 g

c)

10 g

d)

7 g

138.
A piece of metal has a mass of 35.4 grams and a volume of 6cm3. According to the table what metal is it?
a)
Aluminum
b)
Scandium
c)
Radium
d)
Xenon
139.
A gas has a mass of 5 grams and a volume of 4 L. According to the table what is the gas?
a)
Neon
b)
Nitrogen
c)
Oxygen
d)
Fluorine
140.
Sue found a ring and wanted to know what type of metal it was. She found the mass to be 26.7 grams and the volume to be 3 cm3. What metal is the ring?
a)
Nickel
b)
Silver
c)
Lead
d)
Gold
141.

As part of a classifying elements lab Joe was finding the density of different samples. One sample had a mass of 26.4 and a volume of 12 mL. What element is it?

a)

Sulfur

b)

Carbon

c)

Boron

d)

Krypton

142.

The mass of the jade is 13g, what is the density?

a)

1.3 g/mL

b)

0.81 g/mL

c)

1.24 g/mL

d)

0.77 g/mL

143.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
144.
Why do some substances float on water?
a)
they are warmer than water
b)
they are cooler than water
c)
they are more dense than water
d)
they are less dense than water
145.

What is the formula for Mass?

a)

Mass/Volume

b)

Density x Volume

c)

Mass/Density

146.

What is the formula for Volume?

a)

Mass/Volume

b)

Density x Volume

c)

Mass/Density

147.
Look at this image.  Which object has the LOWEST density in water? How? 
a)
The Ping Pong Ball because it floats to the top 
b)
The bolt because it has sunk to the bottom
c)
The soda cap because it is not just full of air like the Ping Pong ball
148.

Which of the following values would represent the pH of a strong base?

a)

1

b)

8

c)

7

d)

13

149.

Which of the following are the characteristics of a BASE?

a)

Very bitter in taste

b)

Liberate OH- ions when dissolved in water

c)

Have pH of less than 7

d)

Turns blue litmus red

150.

According to the pH range given in the image,which substance is more acidic than lemon juice?

a)

Hydrochloric acid

b)

Cabbage

c)

Milk

d)

Milk Of Magnesia

151.

Which of the following word pairs correctly completes the sentence below?

_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.

a)

acid pH less than 7

b)

acid pH greater than 7

c)

base pH less than 7

d)

base pH greater than 7

152.

The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?

a)

3

b)

7

c)

9

d)

5

153.

When using pH paper, the pH of a solution can be determined by looking at the _______ of the paper

a)

texture

b)

mass

c)

colour

d)

length

154.

What would be considered the weakest base?

a)

8

b)

7.8

c)

11.6

d)

14

155.

Pure water has a pH of 7. Pure water _______.

a)

is a base

b)

is a neutral substance

c)

could be either an acid or a base

d)

is an acid

156.

pH is the measure of the concentration of ______.

a)

Acids

b)

H+ ion

c)

OH- ion

d)

Base

157.

If a solution is basic which ion will be more present?

a)

H+

b)

K+

c)

OH-

d)

H-

158.

Stronger acids have a pH closer to...

a)

7

b)

14

c)

0

d)

9

159.

A pH level of 7 indicates

a)

acid

b)

base

c)

neutral

d)

non of the following

160.
Matter can not be created nor destroyed: it can only be
a)
Destroyed a little bit
b)
Invisible
c)
Transformed, changed
d)
None of the above
161.
What is the Law of Conservation of mass?
a)
Mass is created in a chemical reaction
b)
Mass is created in a physical change
c)
New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
d)
Mass is never created or destroyed
162.
A student notices that an inflated balloon gets larger when it is warmed by a lamp. Which best describes the mass of the balloon as a result of this change?
a)
The mass of the balloon increases because the size of the balloon has increased.
b)
The mass of the balloon increases because the temperature of the balloon has increased.
c)
The mass of the balloon stays the same because the gas inside the balloon still has the same mass after it warms up.
163.
If an acid is combined with a base of equal strength, the result will most likely be
a)
a neutral solution.
b)
a stronger acid.
c)
impossible to tell without testing the pH.
d)
a stronger base
164.
Which of the following is a base?
a)
orange juice
b)
water
c)
vinegar
d)
dishwashing detergent
165.
 Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
166.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
167.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
168.
Which of the following is true about acids and bases?
a)
The lower the pH, the stronger the acid
b)
the higher the pH, the stronger the acid
c)
The lower the pH, the more neutral the acid
d)
The higher the pH, the weaker the base
169.
Explain what happens when a strong acid and a strong base are poured into the same container.
a)
they form separate layers
b)
they mix physically but not chemically
c)
they break apart into separate elements
d)
they react chemically to form a salt
170.
On the pH scale what numbers are bases?
a)
8-14
b)
0-7
c)
7
d)
1
171.
On the pH scale what numbers are acids?
a)
8-14
b)
0-7
c)
7
d)
1
172.
The pH scale measures...
a)
...the strength of an acid.
b)
...the strength of hydrogen ions.
c)
...the concentration of hydrogen ions.
d)
...the concentration of an acid
173.

A substance is found to have the following characteristics:


Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water


In what category would the substance be classified?

a)

acid

b)

base

c)

enzyme

d)

fatty acid

174.
Which of the following statements is correct?
a)
Blue litmus paper turns red when placed in a base.
b)
Red litmus paper turns blue when placed in a base.
c)
Blue litmus paper stays blue when placed in an acid.
d)
Red litmus paper stays red when placed in a base.
175.

Which of these pH values represent an acid?

a)

4

b)

8

c)

10

d)

12

176.

Milk is a very weak acid. What might its pH value be?

a)

6.5

b)

7.8

c)

4.2

d)

12.2

177.

When an acid is dissolved in water, it turns red litmus paper blue.

a)

True

b)

False

178.

Which of the following are properties of acids?

a)

They conduct electricity when dissolved in water

b)

They taste sour

c)

They react with metals to produce hydrogen gas

d)

All of the answer choices are correct

179.

An acid is a solution that contains __________ ions dissolved in water.

a)

positive

b)

negative

180.

The higher the concentration of negative (hydroxide) ions in the solution, the stronger the base is.

a)

True

b)

False

181.

Which of the following pH values represents a base?

a)

2.1

b)

4.6

c)

6.8

d)

8.1

182.

The strongest bases have pH values close to

a)

0

b)

14

c)

7

d)

5

183.

Which of the following is a base?

a)

baking soda in water

b)

orange juice

c)

vinegar

d)

lemonade

184.

Ocean water is only slightly basic. What might its pH value be?

a)

5

b)

8

c)

12

d)

2

185.

Bases turn blue litmus paper red.

a)

True

b)

False

186.
What methods can you use to measure the pH of a solution?
a)
Observing color or clarity
b)
Measuring mass or volume
c)
Measuring density or electrical conductivity
d)
Using acid base-indicators or pH meters
187.
Which of these pH values would indicate that a solution is a weak base?
a)
4
b)
5.6
c)
8
d)
13
188.

Blue color: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
189.
Density: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
190.
Flammability (burns): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
191.

Reacts with acid: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
192.
Brittleness: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
193.

Sour taste: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
194.

Melting point: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
195.

Reacts with water: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
196.
Hardness: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
197.

Boiling point: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
198.
Luster: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
199.

Odour (smell): Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
200.
Reacts with Air: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
201.

Which one of these is a chemical property?

a)

Melting point

b)

Boiling point

c)

Color

d)

Toxicity

202.
Physical properties are
a)

Properties that can be observed without changing the identity of the substance

b)

Properties that describe how a substance changes into a completely different substance

203.

is the ability of a substance to dissolve in a liquid

a)

malleability

b)

luster

c)

oxidation

d)

solubility

204.

the ability of a material to bend or be hammered into other shapes without breaking.

a)

Ductility

b)

Malleability

c)

Toxicity

d)

Solubility

205.

 the ability to pass electricity or heat through a substance

a)

conductivity

b)

ductility

c)

oxidation

d)

malleability

206.

the ability of a substance to be drawn into thin wires

a)

Conductivity

b)

malleability

c)

ductility

d)

flammability

207.

Properties that can only be observed or measured by changing the chemical identity of a substance.

a)

Physical Properties

b)

Combustible Properties

c)

Chemical Properties

d)

Changeable Properties

208.

How easily a substance reacts with Oxygen.

a)

reactivity

b)

oxidation

c)

combustibility

d)

solubility

209.

Which of the following is a Chemical Property?

a)

solubility

b)

flammability

c)

viscosity

d)

melting point

210.

Which of the following is a Chemical Property?

a)

radioactivity

b)

boiling point

c)

solubility

d)

viscosity

211.

Which of the following is a Chemical Property?

a)

viscosity

b)

melting point

c)

solubility

d)

toxicity

212.

How easily a substance will set on fire.

a)

oxidation

b)

reactivity

c)

combustibility

d)

chemical property

213.

How easily a substance reacts, usually with an acid or a base

a)

reactivity

b)

solubility

c)

oxidation

d)

flammability

214.

Which of the following creates rust on vehicles?

a)

oxidation

b)

solubility

c)

combustibility

d)

reactivity

215.

The way something looks, feels, smells, and tastes are physical properties.

a)

True

b)

False

216.

Ability of substance to dissolve into another substance:

a)

magnetism

b)

malleability

c)

solubility

d)

appearance

217.

The final product of any physical change is still composed of the same matter.

a)

True

b)

False

218.

The amount of light that bounces off of an object

a)

solubility

b)

conductivity

c)

reflectivity

d)

magnetism

219.

A chemical property describes how matter __________.

a)

smells

b)

reacts with another type of matter

c)

looks under a microscope

d)

dissolves when made into a solution

220.

color

a)

physical property

b)

chemical property

221.

flammable

a)

physical property

b)

chemical property

222.

odor/smell

a)

physical property

b)

chemical property

223.

tarnish/rust

a)

physical property

b)

chemical property

224.

taste

a)

physical property

b)

chemical property

225.

texture

a)

physical property

b)

chemical property

226.

Which of the following is true?

a)

A physical property can only be seen.

b)

A physical property describes how matter can change when exposed to air.

c)

A physical property is something that can be observed about the substance by itself.

d)

A physical property can only be observed when two types of matter interact.

227.

Which of the following are physical properties of the matter pictured?

Check all that are true

a)

reacts to oxygen

b)

smooth

c)

malleable (bendable)

d)

reddish-brown

e)

shiny

228.

Which of these would NOT be chemical properties of oxygen?

Check all that are true.

a)

has no color

b)

reacts to moisture and iron to form rust

c)

helps many substances burn

d)

has no odor

229.

Jack leaves solid butter near a warm surface. When Jack returns, the butter has turned into a liquid. Jack's friend Elijah insists this is a chemical change. Is Elijah right?

a)

no, because no new matter was formed

b)

yes, because the matter changed states

c)

no, because the butter didn’t have enough time to go through a chemical change

d)

yes, because melted butter is a new type of matter

230.

What is an example of a physical change?

a)

having less ash than the paper that was burned to form it

b)

ice forming and then melting back into water

c)

rust having a different identity than the iron it forms on

d)

the irreversible reaction of vinegar and baking soda

231.

The Statue of Liberty is made of copper that has turned green because it has undergone a change. What can be said about this change?

a)

The change is a physical change because the copper in the statue is still there.

b)

The change is a physical change because a new chemical is formed on the outside of the statue.

c)

The change is not a physical change because the color of the statue has changed.

d)

The change is not a physical change because a new chemical is formed on the outside of the statue.

232.

A scientist is examining an unknown solid. Which procedure would most likely help determine a chemical property of the substance?

a)

heating it to find the temperature at which it melts

b)

exposing it to a flame to see if it catches on fire

c)

hitting it with a hammer to determine if it breaks or bends

d)

placing it in water to find out whether or not it dissolves

233.

Which of the following would be a Chemical Property?

a)

Size

b)

Flammability

c)

Color

d)

Density

234.
Is Gatorade powder dissolving in water physical or chemical change?
a)
Physical 
b)
Chemical
235.
Is copper tarnishing a physical or chemical change?
a)
Physical 
b)
Chemical
236.

Chemical or Physical:

A characteristic of matter that can be observed with your 5 senses is a ____________ property.

a)

Chemical

b)

Physical

237.

Chemical or Physical:

A characteristic of matter that can only be observed when matter is changed into a new kind of matter.

a)

Chemical

b)

Physical

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