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Worksheets

U2 Quiz Review

Total questions: 120

Worksheet time: 1hrs 18mins

Name
Class
Date
1.

Mass changes when gravitational force changes

a)

True

b)

False

2.

Mass, Volume and density are all properties of what?

a)

Gravity

b)

Formulas

c)

Matter

d)

Weight

3.

The diagram shows the way the particles of a solid occupy space. Select the property of a solid that is consistent with this micro-view.

a)

No define shape

b)

Cannot be compressed

c)

No definite volume

4.

Which of the following is a property of gases?

a)

They have a definite volume.

b)

They are not compressible.

c)

They have no definite shape.

d)

They have no ability to flow.

5.

State of matter in which materials have a definite shape and volume.

a)

Solid state

b)

Liquid state

c)

Gas state

d)

Plasma state

6.

State of matter that takes the shape of it's container and has a definite volume.

a)

Solid state

b)

Liquid state

c)

Gas state

d)

Plasma state

7.

State of matter that can fill containers with no fixed shape or volume.

a)

Solid state

b)

Liquid state

c)

Gas state

d)

Plasma state

8.
In the equation,          2Mg + O2 ---> 2MgO, which are the reactants?
a)
Mg and O
b)
MgO
c)
Mg and MgO
d)
O and MgO
9.
True or False: a physical change may produce a new substance.
a)
True
b)
False
10.
A physical change can sometimes result in a color change. Which of the following situations show this?
a)
Milk turns yellow when it spoils.
b)
Dough becomes darker when it is baked into cake.
c)
A red candy dissolves and turns water pink.
d)
A match turns black when it is burned.
11.
A copper penny turning greenish after a few years is an example of ...
a)
Chemical Change
b)
Physical Change
12.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
13.
Bubbles form when two or more substances are combined ...
a)
Chemical Change
b)
Physical Change
14.
An explosion occurs ...
a)
Chemical Change
b)
Physical Change
15.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
16.

Choose the best description below for the image

a)

physical change

b)

chemical change

17.

A chemical change

a)

changes matter from one form to another.

b)

 destroys matter.

c)

creates matter

d)

does not change matter in any way.

18.

Which of the following is a physical change?

a)

 Iron is oxidized to iron oxide

b)

Aluminum metal is pounded into thin sheets

c)

Copper reacts with a strong acid

d)

Sodium metal explodes on contact with water

19.

Which of the following is an example of a chemical change?

a)

melting solid gold

b)

burning hydrogen gas

c)

dissolving sugar in water

d)

breaking a sheet of glass

20.

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

a)

A chemical has changed size.

b)

A chemical has changed to a different state (solid, liquid or gas)

c)

A chemical has become a different shape.

d)

A chemical has turned a different color.

21.

When silver metal comes in contact with sulfur, silver sulfide forms and the silver appears darker. This is a...

a)

 change of form

b)

chemical change

c)

 change of state

d)

physical change

22.

Two solutions are added together and the new solution becomes hot. This tells you that

a)

a gas is being produced.

b)

the solutions are not soluble. 

c)

the physical properties are the same.

d)

a chemical change is taking place.

23.
Blue Color: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
24.
Flammability (burns): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
25.

Solubility (ability to dissolve): Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
26.
Reacts with Acid: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
27.

Brittleness (how easily is breaks): Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
28.
Sour Taste: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
29.
Melting Point: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
30.
Hardness: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
31.
Boiling Point: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
32.

Luster (how shiny): Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
33.
Odor: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
34.
Reacts with Air: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
35.

A physical property can be observed __________ a chemical reaction

a)

during

b)

without

36.

A chemical property can be observed __________ a chemical reaction

a)

during

b)

without

37.

Combustion or exploding, is a --- property.

a)

Chemical

b)

Physical

38.

Malleability, the ability to be flattened into thin sheets, is a ---property.

a)

Physical

b)

Chemical

39.
a)
Physical Change
b)
Chemical Change
40.
a)
Physical Change
b)
Chemical Change
41.
a)
Physical Change
b)
Chemical Change
42.
a)
Physical Change
b)
Chemical Change
43.
a)
Physical Change
b)
Chemical Change
44.

What key words, when present in a question about chemical reactions, might indicate a chemical change is occuring? Check all that apply.

a)

Bubbling

b)

Fizzing

c)

Dissolving

d)

Evaporating

45.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
46.

Oil and Water

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

47.

Copper - Cu

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

48.

Chalk - CaCO3

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

49.

Rocks and Sand

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

50.

Water - H2O

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

51.

Aluminum - Al

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

52.

Air

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

53.

Soap

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

54.

A __ mixture is a mixture in which the composition is not uniform throughout the mixture.

a)

element

b)

homogenous

c)

heterogenous

d)

compound

55.

Which of the following is a homogeneous mixture?

a)

sand in a bottle

b)

lemonade

c)

Mercury

d)

salad

56.

An element is a ___ that cannot be separated into simpler substances by physical or chemical means.

a)

pure substance

b)

mixture

c)

solution

d)

compound

57.

__ is a pure substance containing two or more kinds of atoms.

a)

Element

b)

compound

c)

mixture

d)

solution

58.

Water is made up of hydrogen and oxygen, two elements that were chemically combined. This makes water a(n)

a)

atom

b)

compound

c)

element

d)

mixture

59.

What is table salt (NaCl)?

a)

Element

b)

Compound

c)

Mixture

60.

What is an element?

a)

A substance that is made up of one type of atom and can't be reduced to simpler substances.

b)

A substance made of two or more different atoms chemically bonded to one another. They can only be destroyed by chemical processes.

c)

A material containing two or more elements or compounds that are in close contact and are mixed in any proportion. They can be separated by physical means.

61.

Which of the following is an example of an element?

a)

Cu (copper)

b)

H20 (water)

c)

cereal

d)

CO2 (carbon dioxide)

62.

Which letter represents a mixture?

a)

D

b)

G

c)

E

d)

A

63.
Anything that has mass & takes up space
a)
gravity
b)
force
c)
matter
d)
volume
64.
Measure of the amount of matter 
a)
mass
b)
volume
c)
weight
d)
density
65.
Substances that form as the result of a chemical reaction
a)
products
b)
reactants
c)
coefficients
d)
subscripts
66.
Substances present at the start of a chemical reaction
a)
subscripts
b)
coefficients
c)
reactants
d)
products
67.

The Law of Conservation of Mass says that matter can neither be __________ or __________.

a)

created; destroyed

b)

recycled; renewed

c)

subtracted; added

d)

joined; separated

68.

When sodium and chlorine combine to form sodium chloride, sodium chloride is the:

a)

Originator

b)

Reactant

c)

Product

d)

Produce

69.
Jason poured 500 grams of water into a container and tightly sealed it. The water was allowed to freeze. Which is most likely true about the ice that formed?
a)
The mass of the ice is the same as the mass of the water.
b)
The mass of the ice is greater than the mass of the water.
c)
The ice formed is a different substance than the water.
d)
The ice formed is the same temperature as the water.
70.
Anthony is performing an experiment. He adds 0.25 grams of baking soda to 5 grams of water and stirs. Anthony watches as the baking soda dissolves in the water. If Anthony weighs the water and baking soda solution, what will its mass be?
a)
4.75 grams
b)
5.0 grams
c)
5.25 grams
d)
7.5 grams
71.

The Law of Conservation of Mass says that matter cannot be ________ or __________.

a)

Divided or Multiplied

b)

Balanced or Unbalanced

c)

Increased or Decreased

d)

Created or Destroyed

72.

Which of the following can by possible physical indicators of a chemical reaction?

a)

Formation of Gas

b)

Change in Color

c)

Emission of Light

d)

Sublimation of Solids

e)

Deposition of Gases

73.

Which of the following is evidence of a chemical reaction?

a)

Tearing paper.

b)

Change in color.

c)

Production of a gas.

d)

Change in temperature.

e)

Production of a precipitate.

74.
In a ___________change, a substance changes into a different substance.
a)
Physical
b)
Chemical
75.
A candle wick burning is an example of a _________________________
a)
physical reaction
b)
condensation
c)
neutrons
d)
chemical reaction
76.
the starting materials in a chemical reaction
a)
Products
b)
Reactants
c)
Starters
d)
Enders
77.
The substances listed on the right side of a chemical equation are the
a)
Yields
b)
Reactants
c)
Products
d)
Precipitates
78.

Identify the following process: We light a matchstick.

a)

Physical change

b)

Chemical change

79.

What is the left part of a chemical equation called?

2H2 + O2 ---> 2H2O

a)

Reactants

b)

Yields

c)

Products

d)

Chemical equation

80.

What is the right part of a chemical equation called?

2H2 + O2 ---> 2H2O

a)

Reactants

b)

Yields

c)

Products

d)

Chemical Equation

81.

What is the Law of Conservation of Mass?

a)

It states that matter cannot be created or destroyed.

b)

It states that energy cannot be created or destroyed.

c)

It states that matter can be created or destroyed.

d)

It states that sound can be created or destroyed.

82.

Which of the following is a chemical reaction?

a)

Sodium and chlorine atoms bond to form salt molecules.

b)

Ice melts to form water.

c)

Carbon dioxide freezes to form dry ice.

d)

Salt and water mix to form salt water.

83.

When writing a chemical equation, reactants are on the _____________ while products are on the _________________.

a)

top, bottom

b)

right, left

c)

left, right

d)

bottom, top

84.

The law of conservation of mass states

a)

chemical reactions create new atoms

b)

atoms cannot be created or destroyed

c)

reactants vanish once a reaction takes place

d)

products appear when a reaction takes place

85.
What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
86.
What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
87.

Identify the Reactants in this equation.

a)

A

b)

B

88.
What do you call the substances on the left side of a chemical equation?
a)
yield
b)
products
c)
reactants
d)
compounds
89.
What are the products of the chemical reaction pictured?
a)
CH4 and CO2
b)
CH4 and O2
c)
CO2 and H2O
d)
O2 and H2O
90.
Consider the chemical equation CH4 + 2 O2 → CO2 + 2 H2O. In this equation, CH4 is a
a)
product
b)
reactant
c)
displacement
91.
What is the right part of a chemical equation called?
H2 + O H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
92.
What is the left part of a chemical equation called?
H2 + O → H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
93.
2H2 + O2 ----> 2H2O What is the product?
a)
------>
b)
2H2O
c)
2H2+ O2
94.
In the reaction methane + oxygen turns into carbon dioxide + water, the methane and oxygen are called _______________.
a)
reactants
b)
products
c)
neutrals
d)
energizers
95.
The reactants are on the left side of the chemical equation.
a)
True
b)
False
96.
The mass of an object ___________________________.
a)
changes, depending on where it is located
b)
changes randomly
c)
changes, depending on temperature
d)
does not change
97.
Suppose an astronaut were to visit a planet where the gravity is half that of Earth.  His MASS on that planet would be ______________.
a)
half his Earth mass
b)
the same as his Earth mass
c)
twice his Earth mass
d)
zero
98.

______ is explained as a push or pull motion

a)

Force

b)

Friction

c)

Gravity

d)

Weight

99.

______ is the attractive force between any two objects that depends on the objects mass and distance to each other.

a)

Weight

b)

Gravity

c)

Net Force

d)

Rolling Friction

100.

______ is the gravitational force exerted on an object

a)

Mass

b)

Gravity

c)

Force

d)

Weight

101.

What statement is true?

a)

Mass never changes. Weight does.

b)

Weight never changes. Mass does.

c)

Both mass and weight change because they are affected by gravity.

d)

Neither mass nor weight change. They are always the same.

102.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
103.

Mass is the measure of how much ______ is in an object.

a)

Density

b)

Weight

c)

Matter

d)

Gravity

e)

Force

104.

Weight is the measure of the force of ______ on an object.

a)

Density

b)

Mass

c)

Matter

d)

Gravity

e)

Velocity

105.

6) Which measurement would be different if you were on the Moon versus on Earth?

a)

Mass

b)

Weight

106.

Lucky Charms Cereal

a)

Compound

b)

Element

c)

Mixture

107.

Chocolate Chip Muffin

a)

Compound

b)

Element

c)

Mixture

108.

Koolaid

a)

Compound

b)

Element

c)

Mixture

109.

Salt (NaCl)

a)

Compound

b)

Element

c)

Mixture

110.
A substance that contains only one type of atom is a(n)
a)
compound
b)
element
c)
heterogeneous mixture
d)
homogeneous mixture
111.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
112.

A mixture that does NOT appear to be evenly mixed throughout is ______.

a)

an atom

b)

a compound

c)

a homogeneous mixture

d)

a heterogeneous mixture

113.
A substance made of only one type of atom is called —
a)
an element
b)
a mixture
c)
a compound
d)
a salt
114.
Which of the following is an element?
a)
Sugar
b)
Salt
c)
Water
d)
Oxygen
115.

Two characteristics of Matter are:

a)

Has volume and is energy

b)

Has mass and is energy

c)

Has mass and volume

d)

Doesn't take up space and is not energy

116.
The air is a _________. 
a)
element 
b)
mixture 
c)
compound 
d)
energy 
117.
Examples are milk and gasoline.
a)
elements
b)
mixtures
c)
compounds
118.
You are eating a pizza. What type of mixture are you consuming?
a)
homogeneous
b)
heterogeneous
c)
pure substance
d)
The Periodic Table
119.
Italian Salad Dressing is a . . .
a)
heterogeneous mixture
b)
homogeneous mixture
c)
Pure Substance
d)
Compound
120.

Ba

a)

Compound

b)

Element

c)

Mixture