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Physical Science Review 2

Total questions: 153

Worksheet time: 2hrs 44mins

Name
Class
Date
1.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
2.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
3.
1 A substance made up of two or more chemically combinedelements is —
a)
an element
b)
mixture
c)
compound
d)
solution
4.
 A substance that cannot be broken down into any other substance by ordinarychemical means is called —
a)
molecule
b)
mixture
c)
element
d)
compound
5.
Two or more physically combined substances form —
a)
a compoud
b)
an acid
c)
an element
d)
a mixture
6.
NaHCO3 is an example of —
a)
an abbreviation
b)
a compound
c)
a mixture
d)
an element
7.
What is an example of a mixture?
a)
Table salt
b)
Salt water
c)
Oxygen
d)
Air
8.
A substance made of only one type of atom is called —
a)
an element
b)
a mixture
c)
a compound
d)
a salt
9.
Which of these substances is an example of a solution?
a)
milk
b)
sweet tea
c)
mercury
d)
concrete
10.
Which of the following is a way in which elements and compounds are similar?
a)
Elements and compounds are pure substances.
b)
Elements and compounds are both made up of different kinds of atoms.
c)
Elements and compounds can both be broken down by physical means.
d)
Elements and compounds are listed on the periodic table.
11.
What is an example of an element?
a)
Oxygen
b)
Pure water
c)
Air
d)
Table salt
12.
Two or more substances in the same place but NOT chemically combined or in a specific ratio is called —
a)
a compound 
b)
a pure substance
c)
an element
d)
a mixture
13.
A compound is made of ________ atoms. 
a)
big 
b)
similar 
c)
different 
14.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
15.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
16.

In the diagrams provided, the circles of different colors represent the atoms of different elements. Which diagram represents a mixture?

a)

I

b)

II

c)

III

d)

IV

17.

Beatriz wants to make a mixture out of her bowl of blueberries. Which of the following would turn her bowl of blueberries into a mixture?

a)

adding more blueberries to the bowl

b)

adding raspberries to the bowl

c)

cutting up the blueberries

d)

mashing the blueberries

18.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
19.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
20.
a)
Element
b)
Compound
c)
Mixture of compound and element
d)
Mixture of two elements
21.

(check all that apply)


You...

a)

have mass.

b)

have volume.

c)

matter.

22.

Which of the following are elements?

a)

He 

b)

O2 

c)

S8

d)

Fe2O3

e)

O3

23.

Hydrogen gas, H2, can be broken down by chemical means.

a)

True

b)

False

24.

Water, H2O, can be broken down by chemical means.

a)

True

b)

False

25.

Which of the following are mixtures

a)

tap water

b)

bread flour

c)

blood

d)

beach sand

26.

Which of the following is a mixture?


(circles of different colors represent different types of atoms)

(circles that are touching are chemically bonded)

a)
b)
c)
27.

Which of the following is a compound?


(circles of different colors represent different types of atoms)

(circles that are touching are chemically bonded)

a)
b)
c)
28.

A pure substance that cannot be broken down into any other substance.

a)

Elements

b)

Compounds

c)

Mixtures

29.

Symbol for an element can be found on the

a)

Periodic Table

b)

Picnic Table

c)

Mixture Table

30.

Fe is the ___________________ for iron

a)

Letters

b)

Chemical Symbol

c)

Equation

31.

A(n) ______________ is formed when two or more elements chemically combine.

a)

Compound

b)

Element

c)

Mixture

32.

A chemical formula is used to represent a(n) _________________.

a)

Element

b)

Compound

c)

Mixture

33.

Chex mix is a

a)

Mixture

b)

Compound

c)

Element

34.

Chocolate milk is

a)

Element

b)

Mixture

c)

Compound

35.

H2O

a)

Element

b)

Compound

c)

Mixture

36.

FeS

a)

Element

b)

Compound

c)

Mixture

37.

CO2

a)

Element

b)

Compound

c)

mixture

38.

Cl

a)

Element

b)

Compound

c)

Mixture

39.

NaCl is the ____________ for sodium chloride.

a)

Formula

b)

Symbol

c)

Periodic Table

40.

A ___________ is a combination of many different elements not chemically combined.

a)

Element

b)

Compound

c)

Mixture

41.

The process of blending the ingredients when making a birthday cake would be an example of a(n)

a)

Element

b)

Compound

c)

Mixture

42.

Mixtures will not be represented by a _______________.

a)

Chemical Formula

b)

Symbol

c)

Element

43.

It is fairly easy to separate a mixture.

a)

Yes

b)

No

44.

Who created the periodic table and predicted elements before they were officially discovered?

a)

Dimitri Mendeleev

b)

Albert Einstein

c)

Mr. Warrick

45.
Glucose (C6H12O6) contains atoms of carbon, hydrogen, and oxygen that are chemically bonded together.  What type of matter is glucose?
a)
Glucose is an element
b)
Glucose is a compound 
c)
Glucose is a mixture
d)
Glucose is a metal
46.
The smallest particle of any element that still has the properties of that element is called
a)
an atom
b)
a compound
c)
a solution
d)
a mixture
47.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
48.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
49.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
50.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
51.
Which description below is a true statement about the diagram?
a)
The diagram can be classified as an element and a molecule
b)
The diagram can be classified as a compound
c)
The diagram can be classified as a mixture of two compounds
d)
The diagram can be classified as a mixture of two elements
52.
Which statement below is TRUE about compounds?
a)
The properties of compounds are totally different than the properties of the elements that form them
b)
All compounds are listed on the Periodic Table of Elements
c)
A compound is a pure substance that is made from one type of atom
d)
The properties of compounds are the same as the properties of the elements that form them
53.
A pure substance that is made from one type of atom is a(n) ______________ .
a)
Mixture
b)
Atom
c)
Element
d)
Compound
54.
Classify glucose (C6H12O6) as an element or compound.
a)
Element
b)
Compound
55.
Classify Sulfuric Acid (H2SO4) as an element or compound.
a)
Element
b)
Compound
56.
Classify Sulfur (S) as an element or compound.
a)
Element
b)
Compound
57.
Classify Phosphorus (P) as an element or compound.
a)
Element
b)
Compound
58.
Classify Sodium Chloride (NaCl) as an element or compound.
a)
Element
b)
Compound
59.
How many TOTAL atoms make up the molecule 8K2SO4?
a)
8
b)
56
c)
7
d)
15
60.
TRUE OR FALSE:
There are millions of elements.
a)
True
b)
False
61.
TRUE OR FALSE:
There are millions of compounds.
a)
True
b)
False
62.
TRUE OR FALSE:
There are about 118 elements.
a)
True
b)
False
63.
TRUE OR FALSE:
There are about 118 compounds.
a)
True
b)
False
64.
TRUE OR FALSE:
Water is an element.
a)
True
b)
False
65.
TRUE OR FALSE:
Water is a compound.
a)
True
b)
False
66.

What does reduce mean?

a)

Consuming less or combining capabilities to get more out of each item.

b)

re-purposing an item after its initial use

c)

returning a product to its raw material and producing something else with it

d)

throw less material into the trash

67.

What does re-use mean?

a)

Consuming less or combing capabilities to get more use out of each item.

b)

re-purposing an item after it is used for its original purpose.

c)

returning a product to its component materials to be re-made into something else.

d)

throw less material into the trash

68.

What does re-cycle mean?

a)

consuming less or combining capabilities to get more out of each item.

b)

re-purposing an item after its original use.

c)

returning a product to its component raw materials and using those to produce something else.

d)

throw less material into the trash.

69.
Non-Renewable resources are also known as what?
a)
Fossil Fuels
b)
Renewable
c)
Solar Energy
d)
Hydroelectric Energy
70.
Where does most of earth`s energy come from?
a)
The sun
b)
Mars
c)
Wind
d)
Water
71.
_________is compacted matter dug from under the Earth’s surface that is used to provide energy by burning it.
a)
Hydro
b)
Coal
c)
Nuclear
d)
Geothermal
72.
One problem with ____ energy is that it produces radioactive waste. 
a)
nuclear
b)
solar
c)
tidal
d)
wind
73.
Fossil fuels are considered nonrenewable resources because of - 
a)
Where they come from
b)
How they are produced 
c)
How useful they are 
d)
How long they take to form 
74.

Which statement BEST explains why coal is used to generate electricity despite the amount of pollution produced by burning coal?

a)

Compared to other fuels, coal is relatively cheap and plentiful.

b)

Compared to other fuels, coal produces more energy per kilogram

c)

Coal is a renewable source of energy

75.

Which of these statements BEST describes a possible environmental consequence in constructing a large-scale wind farm to generate electricity?

a)

Wind farms alter the regional climate.

b)

Wind farms can disrupt migrating wildlife.

c)

Wind farms use a renewable energy source.

76.

Which will most likely lead to an increase in the use of renewable energy resources?

a)

conservation of fossil fuels

b)

decreased expense of fossil fuels

c)

decision to choose energy resources that have less impact on the environment

77.

Which renewable energy source would most likely cause loss of habitat?

a)

geothermal

b)

hydroelectric

c)

solar

78.

More sulfur dioxide is being added to the atmosphere. How will this MOST likely affect the hydrosphere?

a)

There will be a decrease in sea level.

b)

The acidity of the ocean will increase.

c)

There will be an increase in fresh water.

79.

Which of these can be recycled in an attempt to conserve resources?

a)

gasoline

b)

sunlight

c)

aluminum

80.
Which is a disadvantage of using solar or wind energy to produce electricity?
a)
They are controlled energy resources.
b)
These energy sources are nonrenewable.
c)
They are an expensive way to produce energy.
d)
Their ability to produce energy is inconsistent and variable.
81.

Which best describes the potential of solar power for future energy use?

a)

It is not likely to be used because it pollutes the environment and contaminates drinking water supplies.

b)

It is likely to be used because its capture and storage does not require special equipment.

c)

It is likely to be used because it is a renewable resource that is indefinitely available.

d)

It is not likely to be used because it is less expensive than fossil fuel resources.

82.

What is a renewable natural resource?

a)

Coal

b)

Soil

c)

Oil

d)

Natural Gas

83.

Which is not a renewable natural resource?

a)

Soil

b)

Water

c)

Natural Gas

d)

Living organisms

84.

What is depletion?

a)

Using technology to find more resources

b)

Using the part of the resource that you can easily get to .

c)

Taking all the energy out of an object

d)

Using all the resource up.

85.

What is economic depletion?

a)

Using all of the resource up.

b)

Using all of the resource up in the spot you are in.

c)

The cost of getting more of the resource is more than you can sell it for.

d)

When the economy goes into a recession and people can't buy your product.

86.

Can you deplete a renewable resource?

a)

No

b)

Yes

87.

What is conservation?

a)

Letting nature take its course.

b)

Preventing humans from having anything to do with it.

c)

The prevention of the loss of a resource through thoughtful management of it.

d)

Letting businesses take care of a resource.

88.
What is the significance of a column in the periodic table?
a)
A column, better known as a group, includes elements with similar properties.
b)
A column, better known as a period, includes elements with similar properties.
c)
A column, better known as a group, includes elements with the same number of electrons.
d)
A column, better known as a period, includes elements with the same number of electrons.
89.
halogensWhat is identified in the illustration?
a)
halogens
b)
metalloids
c)
noble gases
d)
transition metals
90.
Which statement about the elements is true?
a)
Oxygen and sulfur share similar properties.
b)
Carbon and nitrogen share similar properties.
c)
Carbon and silicon have the same number of electrons.
d)
Oxygen and phosphorus have the same number of protons.
91.
Which term represents a physical property of matter?
a)
density
b)
flammability
c)
reactivity
d)
 toxicity
92.
Which example shows a physical change taking place?
a)
Heat is given off.
b)
 The substance melts.
c)
A new substance is produced.
d)
A precipitate is formed.
93.
Jake made a chart showing changes that occurred while he prepared his breakfast.
Which numbers would best  represent chemical changes? 
a)
2, 3, and 6
b)
2 and 6
c)
1, 2, and 3
d)
2 and 3
94.
Which statement about the Law of the Conservation of Mass is true?
a)
The mass of the products can be less than the mass of the reactants.
b)
 The mass of the products must be equal to the mass of the reactants.
c)
The mass of the final products can be more than the mass of the reactants.
d)
The mass of the reactants must be more than the mass of the products
95.
Review the reactants in the chemical reaction shown.
How many atoms of oxygen must be present in the product of this reaction?
a)
1
b)
2
c)
4
d)
6
96.
The number in front of a compound or element is a 
a)
Subscript
b)
Coefficient
c)
Superscript
d)
Charge
97.
The number to the lower side of an element is a 
a)
Subscript
b)
Superscript
c)
Coefficient
d)
Charge
98.
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
99.
How many oxygen atoms are in this chemical formula?
a)
6 oxygen atoms
b)
2 oxygen atoms
c)
3 oxygen atoms
d)
4 oxygen atoms
100.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
101.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
102.
Is bleaching your hair a physical or chemical change?
a)
physical
b)
chemical
103.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
104.
Which statement best explains how periods on the periodic table are organized?
a)
increasing atomic number from left to right
b)
increasing number of neutrons from left to right
c)
decreasing number of electrons from left to right
d)
decreasing atomic mass number from left to right
105.
Where are the most reactive metals located on the periodic table?
a)
the uppermost complete row of the table
b)
the rows at the bottom of the table connecting two section
c)
the column at the far left side of the table
d)
the second column from the right side of the table
106.
Which elements are most likely to react in the same manner in a chemical reaction?
a)
elements in the same group
b)
elements in the same period
c)
elements with similar atomic masses
107.
If an element has no electrons to share and is stable, what family is it found in?
a)
alkali metals
b)
noble gases
c)
halogens
108.
What is an example of a Chemical change?
a)
Ripped paper 
b)
boiled egg
c)
cracked egg
d)
sugar in water
109.

Which pair of elements has the most similar properties?

a)

Li and B

b)

I and Ca

c)

K and He

d)

N and P

110.

If a chemical reaction such as photosynthesis begins with 6 atoms of carbon (C), how many atoms of carbon (C) should be in the products?

a)

12 atoms of carbon (C)

b)

6 atoms of carbon (C)

c)

3 atoms of carbon (C)

d)

2 atoms of carbon (C)

111.

Which is a compound?

a)

sodium

b)

sugar

c)

nitrogen

d)

air

112.

Which is the best example of a pure substance?

a)

peanuts

b)

milk

c)

gold

d)

air

113.
The tendency of an element to react with other elements to produce compounds. 
a)
Chemical change
b)
Neutrality
c)
Reactivity
d)
Valence 
114.
A subatomic particle that has almost no mass and a negative charge.
a)
Electricity
b)
Proton
c)
Electron
d)
Neutron
115.
A positively charged subatomic particle located in the nucleus and has an atomic mass of 1.
a)
Neutron
b)
Valence
c)
Proton
d)
Electron
116.
The number of protons in the atoms of a particular element that is unique only to that element.
a)
Atomic Mas
b)
Atomic Number
c)
Proton Number
d)
Mole 
117.
The number of negatively charged particles in the most outer shell.
a)
Valence Electrons 
b)
Valence Neutron
c)
Valence Proton
d)
Valance Particles
118.
A chemical substance made up of two or more kinds of atoms bonded together. 
a)
Mixture 
b)
Solution
c)
Compound
d)
None of the above
119.
Which elements have the most similar chemical properties?
a)
K and Na
b)
K and Ca
c)
K and Cl
d)
K and S
120.
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
121.
Why is water classified as a compound?
a)
Because it is an element, which consists of only one type of atom.
b)
Because it is a substance, which can easily be separated.
c)
Because it is a substance composed of two or more kinds of atoms bonded together.
d)
Because it is an unevenly mixed solution, or a heterogeneous mixture.
122.
The mass of the products in a chemical reaction is the same as the mass of the reactants in the reaction.  Which law best describes this statement?
a)
The Law of Conservation of Angular Momentum
b)
The Law of Superposition
c)
The Law of Conservation of Matter
d)
The Law of Entropy
123.

Who created the periodic table of elements?

a)

John Dalton

b)

Hennig Brand

c)

Antoine Lavoisier

d)

Dmitri Mendeleev

124.

An element is identified by

a)

its number of protons.

b)

the atomic mass.

c)

the type of charge.

d)

its number of isotopes.

125.

The number of protons and neutrons in the atom is its

a)

atomic mass.

b)

atomic number.

c)

atomic power.

d)

atomic clock.

126.

The chemical formula for baking soda is NaHCO3. How many different elements make up baking soda?

a)

1

b)

2

c)

3

d)

4

127.

What general category describes the majority of the elements in the periodic chart?

a)

metals

b)

liquids

c)

nonmetals

d)

gases

128.

Properties such as magnetism, luster, and malleability have been used to group together which category of elements on the periodic table?

a)

metals

b)

nonmetals

c)

metaloids

d)

noble gases

129.
a _____ is two or more substances that have been physically combined
a)
compound
b)
element
c)
mixture
d)
atom
130.
a _____ mixture is not uniform throughout and components can be visibly distinguished
a)
homogeneous
b)
heterogeneous
c)
chemical
d)
physical
131.
a _____ mixture is uniform and you cannot see what it is made of
a)
heterogeneous
b)
homogeneous
c)
chemical
d)
physical
132.
Natural resources that are replenished by the environment in a short period of time (wind, solar power, geothermal energy, etc)
a)
Nonrenewable resources
b)
Renewable resources
c)
Solar Energy
d)
Fossil Fuels
133.
Resources that are not easily replenished by the environment.
a)
Renewable resources
b)
Nonrenewable resources
c)
Geothermal energy
d)
Energy conservation
134.
Nonrenewable resource; natural fuel such as coal, gas or natural gas that is formed in the Earth from the remains of living organisms.
a)
Biomass
b)
Hydroelectric power
c)
Solar energy
d)
Fossil fuels
135.
Renewable resource; radiant energy emitted by the sun that can be collected by solar panels.
a)
Solar energy
b)
Fossil fuels
c)
Energy conservation
d)
Biofuels
136.
Reducing energy consumption to save electricity; reduce/reuse/recycle
a)
renewable resources
b)
energy conservation
c)
solar energy
d)
nuclear power
137.
Renewable resource; uses heat from the earth to produce energy - 'geo' means 'earth' and 'thermal' means 'heat.'
a)
fossil fuels
b)
hydroelectric power
c)
energy conservation
d)
Geothermal energy
138.
Renewable resource; form of energy generated by the conversion of free-falling dam water to electricity 
a)
hydroelectric power
b)
biomass
c)
solar energy
d)
biofuels
139.
Renewable energy; released during nuclear fission or fusion, especially when used to generate electricity.
a)
biofuels
b)
nuclear power
c)
nonrenewable resources
d)
geothermal energy
140.
Renewable resource; fuels made from living organisms - literally biological fuels.
a)
biofuels
b)
solar energy
c)
fossil fuels
d)
geothermal energy
141.

Wind energy

a)

energy from the sun that is converted into thermal or electrical energy

b)

the process of obtaining heat or energy from a large body of water

c)

The energy captured by transforming the motion of air into electrical energy using a turbine

d)

Of, relating to, or produced by the internal heat of the earth

142.

Depletion

a)

Any natural resource (as wood or solar energy) that can be replenished naturally with the passage of time

b)

is the consumption of a resource faster than it can be replenished.

c)

a resource that cannot be reused or replaced easily (ex. gems, iron, copper, fossil fuels)

d)

the energy stored in atomic nuclei

143.
If significant amounts of fossil fuels continue to be used to support energy needs, what will be a negative impact for our planet?
a)
decreased oxygen levels, leading to lower air quality
b)
increased air pollution, leading to better human health
c)
decreased water quality, leading to increases in marine diversity
d)
increased levels of CO2, leading to warmer global climates
144.
Which pollutant is openly released into the atmosphere when coal is burned to supply energy to power plants?
a)
lead
b)
mercury
c)
carbon dioxide
d)
oxygen
145.
Which is a problem with using wind turbines to produce energy?
a)
Wind turbines are efficient only in certain areas.
b)
Wind turbines occupy a small area of land.
c)
Wind turbines produce a large amount of energy
d)
Wind turbines create a large amount of pollution.
146.
If an ash pond from a coal-fired power plant leaks ash into a local creek,which is an environmental consequence?
a)
Plants and organisms in the creek will be unaffected.
b)
Plants and organisms in the creek may die out.
c)
Plants and organisms in the creek may increase.
147.
The use of which energy source causes the most damage to the environment?
a)
fossil fuels
b)
biomass
c)
wind
148.
Which could most likely release a high dose of radiation to the environment?
a)
a nuclear energy power plant
b)
a coal-burning power plant
c)
a hydroelectric power plant
149.
Which method of energy production is most likely to have a negative impact upon the environment?
a)
hydroelectric power plant
b)
coal-burning power plant
c)
wind turbine
d)
solar panel
150.
Which form of energy production creates a radioactive waste product?
a)
coal combustion
b)
nuclear power
c)
wind turbines
d)
solar cells
151.
Which best describes a renewable energy source?
a)
oil
b)
coal
c)
sunlight
152.
Why do many communities use resources other than windmills to obtain energy?
a)
Windmills make small amounts of energy.
b)
Some areas have inconsistent winds.
c)
Windmills are visual pollutants.
153.
How does coal compare to natural gas?
a)
Both are renewable.
b)
Both are non-renewable.
c)
Coal is renewable, while natural gas is non-renewable.

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