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8th First Semester Exam Review

Total questions: 177

Worksheet time: 4hrs 42mins

Name
Class
Date
1.
Is frying an egg a physical or chemical change?
a)
chemical
b)
physical
2.

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.

3.

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

4.

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

5.

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

6.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
7.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
8.
Is melting ice a chemical or physical change?
a)
chemical
b)
physical
9.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
10.

When you increase the energy by heating a liquid what happens to the motion of the molecules

a)

They slow down

b)

They speed up

c)

Heat doesnt change the motion of the molecules

11.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

12.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

13.

Which of these actions cause a PHYSICAL change?

a)

rusting of metal pipes

b)

burning a log

c)

cooking an egg

d)

crushing an aluminum can

14.

Rusting metal is an example of a ____ change.

a)

chemical

b)

phase

c)

state

d)

physical

15.

Salt water, a mixture, is made by dissolving salt in water. Mixtures like this can be separated by using the physical properties of the mixture. Which would be the best way to separate a mixture made of salt and water?

a)

evaporation

b)

chromotography

c)

magnetism

d)

filtering

16.

Which is an example of a chemical change?

a)

baking a cake

b)

ripping paper

c)

stretching a rubber band

d)

chopping wood

17.

Which of the following options provides evidence of a CHEMICAL change?

a)

Wood is burned releasing ash and smoke

b)

Rocks separate when soil is sifted

c)

Boiling water bubbles when heated

d)

Salt dissolves in water

18.

Use the basic properties of solids, liquids, and gases to identify the correct state of matter in the image.

a)

(A) gas, (B) liquid, (C) solid

b)

(A) solid, (B) liquid, (C) gas

c)

(A) liquid, (B) solid, (C) gas

d)

(A) solid, (B) gas, (C) liquid

19.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
20.

What is physical change?

a)

How two chemicals react with one another when combined

b)

A property that we can measure or observe with our 5 senses or other tools

c)

When two chemicals react with one another to form a new substance

d)

When a change occurs but it does not result in the formation of a new substance

21.
Density can be used as a physical property of identification of a substance because the density of a substance ___.
a)
stays the same no matter the size of the sample
b)
changes with each different amount of a substance
c)
is determined by the substance's height
d)
is also a chemical property
22.
What is the difference between a physical and a chemical property of matter?
a)
A physical property does not change the identity of a substance, and a chemical property does change something into a new substance.
b)
A chemical property does not change the identity of a substance, and a physical property does change something into a new substance.
c)
A physical property means an object cannot be changed, but a chemical property can change an object.
d)
A chemical property means an object cannot be changed, but a physical property can change an object.
23.
You add sugar to a glass of tea and let it dissolve completely. This is an example of ___.
a)
solubility
b)
malleability
c)
melting point
d)
boiling point
24.
Which of the following is NOT a physical property?
a)
Reactivity
b)
Melting point
c)
Solubility
d)
Odor
25.
Properties that can be measured or observed without matter changing to an entirely different substance.
a)
Chemical Properties of Matter
b)
Physical Properties of Matter
c)
Physical Change
d)
Chemical Change
26.
The ability of matter to conduct electric current or heat
a)
Solubility
b)
Mass
c)
Weight
d)
Conductivity 
27.
Which is NOT a physical property?
a)
odor
b)
reacts with acid
c)
ability to conduct electric current
d)
hardness
28.
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
29.
Anything that has mass & takes up space
a)
gravity
b)
force
c)
matter
d)
volume
30.

4 grams of hydrogen and 32 grams of oxygen will combine to form:

a)

36 grams of water

b)

28 grams of hydroxide

c)

32 grams of oxygen

d)

36 grams of deuterium

31.

Which of the following describes a chemical reaction?

a)

Oxygen interacts with iron to form rust

b)

Ice melts into water

c)

Carbon dioxide freezes to make dry ice

d)

Rocks split apart over many years due to weathering

32.
A 500-gram block of solid cheese is melted in a pot. Which is most likely the mass of the cheese after it is melted?
a)
500 grams, because the cheese does not gain or lose mass just because it was melted
b)
499 grams, because some of the cheese evaporates as it melts
c)
502 grams, because the cheese absorbs heat as it melts
33.

When a log is burned, what happens to the wood?

a)

The mass stays the same, but becomes smoke and ash.

b)

It disappears.

c)

The mass changes as it goes away.

d)

Nothing. You're imagining things.

34.

A precipitate is a ___________ that forms when 2 liquids react together.

a)

solid

b)

liquid

c)

gas

d)

plasma

35.
Any change in the state of matter of a substance is a...
a)
Physical Change
b)
Chemical Change
36.

A chemical reaction involving atoms of one or more substances bonding together differently

a)
Physical Change
b)
Chemical Change 
c)
Physical Science
d)
Conservation of Matter
37.
The central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
38.
An atom with atomic number 6 would have how many protons 
a)
6
b)
12
c)
3
d)
cannot be determined 
39.
True or False? Neutrons have a negative charge
a)
True
b)
False
40.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
41.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
42.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
43.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
44.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
45.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
46.
What does the nucleus consist of?
a)
Protons + Electrons
b)
Neutrons + Electrons
c)
Atoms
d)
Protons + Neutrons
47.
Atoms make up, what?
a)
Everything living and nonliving
b)
Energy
48.
A part of the atom that has a negative charge is?
a)
Proton
b)
electron
c)
neutron
49.
The part of the atom that is moving around the nucleus is called?
a)
electron
b)
neutron
c)
proton
50.
Atoms are mostly filled with?
a)
electrons
b)
empty space
c)
protons
51.
If the number of protons changes, does the atom change its identity?
a)
YES!
b)
NO!
52.
the starting materials in a chemical reaction
a)
Products
b)
Reactants
c)
Starters
d)
Enders
53.
a substance that is formed as the result of a chemical reaction
a)
Product 
b)
Reactant
c)
Starters
d)
Enders
54.
a substance formed when two or more elements are chemically bonded together
a)
Element Soup
b)
Pure Element
c)
Ion
d)
Compound
55.

tells us the number of atoms of each element in a compound

a)

Coeffecient

b)

Exponent

c)

Subscript

d)

Calculator

56.
the symbolic representation of a chemical reaction
a)
Long Hand
b)
Short Hand
c)
Electron Configuration
d)
Chemical Equation
57.

a process or reaction in which the system absorbs energy from its surroundings; usually in the form of heat

a)

Endothermic Reaction

b)

Exothermic Reaction

c)

Diffusion

d)

Fission

58.
a chemical reaction that releases energy by light or heat
a)
Endothermic Reaction
b)
Exothermic Reaction
c)
Diffusion
d)
Fission
59.
type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound
a)
Double Displacement
b)
Single Displacement
c)
Synthesis
d)
Decomposition
60.

type of chemical reaction where two compounds react, and the ions of the two reactants switch places, forming two new compounds or products

a)

Double Displacement

b)

Single Displacement

c)

Synthesis

d)

Decomposition

61.

type of reaction in which two or more elements combine to form a compound

a)

Double Displacement

b)

Single Displacement

c)

Synthesis

d)

Decomposition

62.

type of reaction in which a compound is broken down into two or more elements

a)

Double Displacement

b)

Single Displacement

c)

Synthesis

d)

Decomposition

63.

Which of the following 2 are chemical reactions?

a)

sugar dissolving in water

b)

water turning into steam

c)

burning wood

d)

mixing baking soda and vinegar

e)

tearing paper

64.

Which of the following 2 are chemical reactions?

a)

sugar dissolving in water

b)

water turning into steam

c)

burning wood

d)

mixing baking soda and vinegar

e)

tearing paper

65.

A chemical change is different than a physical change because in a chemical change

a)

chemicals are used

b)

molecules do not physically touch

c)

a new substance is formed and in a physical no new substance is formed

d)

the change can be seen but in a physical change it cannot

66.

How many Carbons are present on the reactant side?

a)

1

b)

2

c)

3

d)

4

67.

How many Hydrogens are on the product side of this chemical equation?

a)

1

b)

2

c)

3

d)

4

68.

Why are chemical equations always balanced? Select ALL that apply.

a)

Matter cannot be created.

b)

Matter cannot be destroyed.

c)

Matter can only be rearranged/conserved.

d)

Matter doesn't matter.

69.

In a chemical reaction, if the reactants are heated, the reaction usually happens

a)

slower

b)

faster

c)

at the same rate

d)

in a smaller volume

70.

Some chemical reactions require a substance called a catalyst. The purpose of a catalyst is

a)

to warm up the reaction

b)

to speed up the reaction

c)

to create more reactants

d)

to stop the reaction

71.

Is this chemical equation balanced? Why or why not? Choose the BEST answer.

a)

Yes, the amount of atoms for each element are equal on both the reactant and product side.

b)

No, the carbons are not the same number on both the reactant and product side.

c)

No, neither the carbons or hydrogens are the same amount on both the reactant and product side.

d)

No, none of the elements (carbon, hydrogen, or oxygen) are the same amount on both the reactant and product side.

72.

Which of the following is a common sign that a chemical change has occurred?

a)

A chemical has turned a different color, bubbled, and/or changed temperature.

b)

A chemical has changed to a different state of matter, such as a liquid to a solid.

c)

A chemical has changed size.

d)

A chemical has become a different shape.

73.
In a chemical reaction
a)
The atoms of the reactants always stay together to form the products
b)
The atoms of the reactants unbond, rearrange, and then rebond to form the products
c)
New atoms are formed which combine to make the products
d)
Some atoms disappear while others multiply to form the products
74.
Which of the following answers will balance the equation below?
__K + __Br2 --> __KBr
a)
2, 1, 1
b)
2, 3, 2
c)
2, 1, 2
d)
1, 2, 3
75.
What type of reaction is illustrated below?
FeS + Hal --> H2S + FeCl
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
76.
If the reactants on the left side of a chemical equation are C₃H₈ + 5O₂, the products in a balanced equation could be
a)
4CO₂ + 3H₂O
b)
3CO₂ + 4H₂O
c)
2CO₂ + 3H₂O
d)
3CO + 4H₂O
77.
Which of the following options correctly balances the equation below?
__HNO2 + __O2 --> __HNO3
a)
4, 1, 4
b)
1, 2, 1
c)
1, 2, 1
d)
2, 1, 2
78.

What is the state of matter when molecules are tightly packed together

a)

solid

b)

liquid

c)

gas

79.
The ability of a substance to dissolve is called...
a)
malleability
b)
ductility
c)
solubility
80.
If an ice cube is left out in  room it will change from one state of matter to another.  Which is the correct order of State of Matter that the ice cube will go through?
a)
Gas, Solid, Liquid
b)
Liquid, Solid, Gas
c)
Liquid, Gas, Solid
d)
Solid, Liquid, Gas
81.

A substance that resists change and holds it's shape.

a)

liquid

b)

solid

c)

water

d)

clouds

82.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
83.

The temperature at which a gas turns into a liquid

a)

Melting point

b)

Freeing point

c)

Boiling point

d)

Condensation point

84.

The temperature at which a substance changes from a liquid to a gas

a)

Melting point

b)

Boiling point

c)

Freezing point

d)

Condensation point

85.
Density can be used as a physical property of identification of a substance because the density of a substance ___.
a)
stays the same no matter the size of the sample
b)
changes with each different amount of a substance
c)
is determined by the substance's height
d)
is also a chemical property
86.
What is the difference between a physical and a chemical property of matter?
a)
A physical property does not change the identity of a substance, and a chemical property does change something into a new substance.
b)
A chemical property does not change the identity of a substance, and a physical property does change something into a new substance.
c)
A physical property means an object cannot be changed, but a chemical property can change an object.
d)
A chemical property means an object cannot be changed, but a physical property can change an object.
87.
You add sugar to a glass of tea and let it dissolve completely. This is an example of ___.
a)
solubility
b)
malleability
c)
melting point
d)
boiling point
88.
Which of the following is NOT a physical property?
a)
Reactivity
b)
Melting point
c)
Solubility
d)
Odor
89.
All of the following are physical properties except ____.
a)
Combustibility
b)
Melting point
c)
Density
d)
Solubility
90.
Properties that can be measured or observed without matter changing to an entirely different substance.
a)
Chemical Properties of Matter
b)
Physical Properties of Matter
c)
Physical Change
d)
Chemical Change
91.
Which of the following properties is a physical property?
a)
magnetism
b)
reaction
c)
flammability
d)
combustion
92.
Properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter.
a)
Evaporation
b)
Density
c)
Physical Properties Of Matter
d)
Chemical Properties of Matter
93.
Which property is an example of a chemical property?
a)
The ability to burn
b)
The ability to dissolve
c)
The ability to evaporate
d)
The ability to melt
94.

the mass per unit volume of a substance

a)

mass

b)

weight

c)

volume

d)

density

95.
A substance made of atoms of two or more elements that have combined chemically.
a)
compound
b)
matter
c)
volume
d)
chemical change
96.

A substance that is made up of only 1 element

a)

homogeneous mixture

b)

heterogeneous mixture

c)

pure substance

d)

compound

97.

TRUE or FALSE: The particles in solids move around a lot and spread out.

a)

TRUE

b)

FALSE

98.

TRUE or FALSE: Liquids have a fixed volume but not a fixed shape.

a)

TRUE

b)

FALSE

99.

Which of the following statements is NOT true about gases?

a)

Gases do not have fixed shape or volume

b)

Gas particles do not move much, but vibrate

c)

Gas particles have a lot of free space

d)

Unlike solids, gases can be compressed

100.

Which of the following statements is true about liquids?

a)

Particles do not move around much, but vibrate

b)

Particles have a lot of free space and spread out

c)

Liquids have fixed shape & volume

d)

Particles are less closely packed than solids

101.

Look at the picture. Which state of matter is in beaker C?

a)

Solid

b)

Liquid

c)

Gas

d)

Blue thingys

102.

A _________ is made of two or more substances that are together in the same place but their atoms are NOT chemically bonded.

a)

compound

b)

mixture

c)

substance

d)

filtration

103.

A type of mixture where you can see the different parts and they can easily be separated into their different parts.

a)

atomic mixture

b)

Compound mixture

c)

Heterogeneous mixture

d)

Homogeneous mixture

104.

A type of mixture that you can't see the different parts.

a)

Homogeneous mixture

b)

Heterogeneous mixture

c)

Compound

d)

distillation

105.

Heterogeneous and Homogeneous are two types of what?

a)

compounds

b)

elements

c)

mixtures

d)

atoms

106.

Match the following

a)

Pure Substance

1.

Matter that always has the exact same composition.

b)

Element

2.

A substance that cannot be broken down into simpler substances

c)

Compound

3.

A substance that is made of 2 or more simpler substances.

d)

Heterogeneous

4.

The parts of this mixture are noticeably different.

e)

Homogeneous

5.

The parts of this mixture are indistinguishable from one another.

107.

Which of the following are considered pure substances?

a)

homogeneous mixture

b)

compound

c)

element

d)

heterogeneous mixture

108.

Which of these are homogeneous mixtures?

a)

peanuts and almonds mixed in a bowl

b)

food dye mixed in water

c)

a cup of tea and sugar

d)

concrete

109.

Solutions are ___________ mixtures.

a)

Solid

b)

Homogeneous

c)

Heterogeneous

d)

Gas

110.

Matter is anything that takes up space and has mass. It can be classified into two(2) groups. What are those classifications?

a)

Homogeneous and Heterogeneous

b)

Elements and Compounds

c)

Pure substances and Mixtures

d)

Solute and Solvent

111.

In a heating curve, diagonal lines indicate temperature is __________, while flat lines indicate temperature is __________.

a)

Constant, changing

b)

Changing, constant

112.

Which is a chemical property of matter?

a)

Reactivity

b)

Color

c)

Density

d)

Solubility

113.

Which is NOT an example of a chemical property?

a)

Water is a liquid at room temperature.

b)

Vinegar bubbles when baking soda is added.

c)

Wood burns when exposed to fire.

d)

Apple slices turn brown.

114.

Which chemical property describes a substance that reacts rapidly with oxygen and gives off heat?

a)

combustibility

b)

reactivity

c)

acidity

d)

basicity

115.
Properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter.
a)
Evaporation
b)
Density
c)
Physical Properties Of Matter
d)
Chemical Properties of Matter
116.
Which property is an example of a chemical property?
a)
The ability to burn
b)
The ability to dissolve
c)
The ability to evaporate
d)
The ability to melt
117.
Density, melting point, boiling point:These may all be classified as
a)
chemical properties
b)
physcial properties
118.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
119.
Which of the following is not a chemical property? 
a)
rusting 
b)
boiling 
c)
rotting 
d)
burning 
120.

the mass per unit volume of a substance

a)

mass

b)

weight

c)

volume

d)

density

121.

the ability of a type of matter to burn easily

a)

flammability

b)

rust

c)

solubility

d)

conductivity

122.

Which of the following is NOT an indicator that a chemical change has occurred?

a)

a change in state

b)

a temperature change

c)

a color change

d)

bubbles

123.

What happens to the atoms of a substance in a chemical change?

a)

Atoms get bigger

b)

Atoms change their arrangement and motion

c)

Atoms get smaller

d)

Atoms bond together differently

124.
A substance made of atoms of two or more elements that have combined chemically.
a)
compound
b)
matter
c)
volume
d)
chemical change
125.
A change in one or more substances, caused by a reaction, that forms new and different substances.
a)
mixture
b)
physical change
c)
element
d)
chemical change
126.

A substance that is made up of only 1 element

a)

homogeneous mixture

b)

heterogeneous mixture

c)

pure substance

d)

compound

127.

A substance that is made up of 2 or more elements that are chemically bonded.

a)

homogeneous mixture

b)

heterogeneous mixture

c)

pure substance

d)

compound

128.
True or False? Neutrons have a negative charge
a)
True
b)
False
129.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
130.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
131.

The smallest unit of a substance that still has all the properties of that substance is called a/an ____________.

a)

energy 

b)

atom

c)

electron

d)

compound

132.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
133.
A part of the atom that has a negative charge is?
a)
Proton
b)
electron
c)
neutron
134.
If the number of protons changes, does the atom change its identity?
a)
YES!
b)
NO!
135.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
136.
The groups of the period table tell us:
a)
Number of electron shells
b)
Number or electrons
c)
Number of protons
d)
Number of valence electrons
137.
The periods of the periodic table tell us:
a)
Number of valence electrons
b)
Number of electron shells
c)
Number of protons
d)
What's a period?
138.
a)
Group 1
b)
Group 17
c)
Group 18
d)
Group 2
139.
a)
Group 1
b)
Group 17
c)
Group 18
d)
Group 2
140.
a)
Metals
b)
Nonmetals
c)
Metalloids
141.
a)
Metals
b)
Nonmetals
c)
Metalloids
142.
a)
Metals
b)
Nonmetals
c)
Metalloids
143.

As you move left to right on a row or period what happens?

a)

Atomic number increases by 1

b)

Electrons decrease

c)

Number of shells decrease

d)

Nothing

144.
This class of elements are sometimes called "semiconductors."
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Groups
145.

What are valence electrons?

a)

Any of an atom's electrons

b)

Electrons located on the first energy level

c)

Electrons not attached to any atom

d)

electrons located on the outer energy level

146.

What Element is in period 4, group 5A?

a)

Antimony

b)

Arsenic

c)

Tin

d)

Germanium

147.

Why are halogens so reactive?

a)

They want to get rid of their only valance electron

b)

They only need one more electron

c)

They are non reactive, they have a full shell

148.

How many valence electrons does a carbon atom have?

a)

8

b)

4

c)

2

d)

6

149.
The man who is credited with the publishing the first periodic table is?
a)
Albert Einstein
b)
Dmitri Mendeleev
c)
Isaac Newton
d)
Devin Elementus
150.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

151.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
152.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
153.

What family is Sodium (Na) a part of?

a)

Transition Metals

b)

Halogens

c)

Alkali Metals

d)

Alkaline Earth Metals

154.
Silicon is a 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Halogen
155.
__________ would have some characteristics of metals and some characteristics of nonmetals.
a)
Gold
b)
Sodium
c)
Arsenic
d)
Bismuth
156.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
157.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
158.
Atoms with similar properties are most likely located...
a)
in the same period.
b)
in the same group.
c)
in different periods.
d)
to the right and left of each other.
159.
Each element is unique based on its number of protons, also known as the...
a)
atomic mass
b)
valence number
c)
atomic symbol
d)
atomic number
160.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
161.
Group Name and Number for Neon
a)
Alkaline Earth Metals 2 or 2A
b)
Noble Gases 18 or 8A
c)
Halogens 17 or 7A
d)
Alkali Metals 1 or 1A
162.
Group Name and Number for Magnesium
a)
Alkaline Earth Metals 2 or 2A
b)
Noble Gases 18 or 8A
c)
Halogens 17 or 7A
d)
Alkali Metals 1 or 1A
163.
Convert 8 kilometers to meters
a)
800 m
b)
80,000 m
c)
8,000 m
d)
.008 m
164.
648 g = ____ mg
a)
6,480
b)
64,800
c)
648,000
d)
64.8
165.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
166.
42 L = ___mL
a)
4,200
b)
.0042
c)
4.20
d)
42,000
167.
The central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
168.

What is the volume of the water in this photo?

a)

6mL

b)

6.4mL

c)

7mL

d)

6.6mL

169.

What is the metric measuring unit for mass?

a)

Meter

b)

Liter

c)

Pounds

d)

Grams

170.
Where do we read the level of liquid?
a)
The highest point the liquid touches.
b)
The bottom of the meniscus.
c)
Half way between, we make an educated guess and round it.
d)
Somewhere about there.
171.

What units is volume measured in?

a)

grams

b)

degrees

c)

milliliters or cm3

d)

pounds

172.

Match the correct SI base unit to the type of measurement.

a)

Length or Distance

1.

m

b)

Volume

2.

L

c)

Time

3.

s

d)

Mass

4.

g

e)

Temperature

5.

K

173.

What is the mass?

a)

33.33g

b)

303.3 g

c)

333.32 g

174.

What is the name of this metric tool?

a)

Triple Beam Balance

b)

Graduated Cylinder

c)

Massometer

175.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
176.
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
177.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

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