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Worksheets1 Everything
Total questions: 90
Worksheet time: 53mins
Name
Class
Date
1.
The process when liquid water from earth's surface changes to water vapor.
a)
condensation
b)
evaporation
c)
precipitation
d)
runoff
2.
Which of these contain most of Earth’s water?
a)
Ocean
b)
Rivers
c)
Lakes
d)
Glaciers
3.
Where is most of Earth's freshwater located?
a)
Oceans
b)
Rivers
c)
Lakes
d)
Frozen in Glaciers
4.
The supply of freshwater under the Earth's surface.
a)
watershed
b)
glacier
c)
headwaters
d)
groundwater
5.
An area of land that drains into a body of water.
a)
mouth
b)
point-source pollution
c)
watershed
d)
headwaters
6.
How much of the earth's water is freshwater?
a)
50 %
b)
3 %
c)
97 %
d)
93 %
7.
Ocean's cover what percent of the Earth's surface?
a)
70 %
b)
60 %
c)
10 %
d)
none of the above
8.
Which law specifically deals with preventing water pollution?
a)
Environmental Protection Agency
b)
Polluted Waters Act
c)
Clean Water Act
d)
Anti-Pollution Proclamation
9.
Which element is commonly found in fertilizers?
a)
oxygen
b)
carbon
c)
nitrogen
d)
hydrogen
10.
What is a non-point pollution source?
a)
pollution that comes from a specific site
b)
wastes from homes or industry
c)
pollution that comes from many sources
d)
temperature increase caused by human activity
11.
What is an estuary?
a)
an area where fresh water from rivers mixes with saltwater from the ocean
b)
process that increases nutrients in water through waste disposal and land drainage.
c)
Marine Invertebrates with a hard exoskeleton
d)
fertilizer and phosphates
12.
What is a river that flows into another river?
a)
reservoir
b)
watershed
c)
tributary
d)
stream
13.
What is the land area that supplies the water in a river system?
a)
watershed
b)
divide
c)
tributary
d)
eutrophication
14.
What is Point-Source pollution?
a)
pollution coming from a specific one site
b)
unsure of the places the pollution is coming from
c)
Oil spills in to the ocean
d)
None of the above
15.
An example of something dissolving would be
a)
butter being heated
b)
sugar in tea
c)
ice in water
d)
crayons in a box
16.
Which is a measure of the dissolved solids/salt in saltwater?
a)
density
b)
salinity
c)
thermocline
d)
temperature
17.
_______ is the universal solvent because it dissolves most substances.
a)
Oxygen
b)
Water
c)
Salt
d)
Gatorade
18.
Sightly salty, as is the mixture of river water and seawater in estuaries
a)
Food Web
b)
Plankton
c)
Benthos
d)
Brackish
19.
One of the main reasons an estuary is important is because it
a)
contains an aquifer
b)
is a good source of drinking water
c)
filters polution
20.
Currents help moderate the temperature of the ocean by
a)
moving warm water toward cold water
b)
melting iceburgs
c)
absorbing sunlight
21.
Water is a ____________, which means that it can dissolve many other substances.
a)
solution
b)
solvent
c)
salinity
d)
mixture
22.
A water molecule is composed of
a)
one hydrogen atom and two oxygen atoms
b)
one helium atom and two oxygen atoms
c)
one oxygen atom and two hydrogen atoms
d)
one oxygen atoms and two helium atoms
23.
Most of the energy that drives the water cycle comes from the
a)
Earth's core
b)
Equator
c)
Sun
d)
Earth's oceans
24.
Turbidity measures the what of water?
a)
level of pH
b)
clarity
25.
Which of the following is an effect of excess fertilizer washing into streams and lakes?
a)
the pH is too low for plants and animals
b)
cooler water holds more oxygen
c)
increased sediment reduces oxygen
d)
algae "blooms", leading to lower oxygen
26.
The presence of pollution intolerant macroinvertebrates like stonefly and caddisfly indicates
a)
good quality water
b)
poor quality water
27.
As you travel deeper in the ocean...
a)
Temperature increases
b)
Light increases
c)
Pressure decreases
d)
Temperature decreases
28.
What is the first step in the water treatment process?
a)
coagulation
b)
filtration
c)
flocs
d)
concentation
29.
Cohesion is when water sticks to...
a)
itself
b)
something else
30.
Adhesion is when water sticks to...
a)
itself
b)
something else
31.
Which of the following is a POSITIVE effect of sediment in the water?
a)
reduced dissolved oxygen
b)
tainted smell of the water
c)
impaired vision for aquatic animals
d)
NONE are positive effects
32.
What is an atom consist of?
a)
Solids, liquids, gasses
b)
Protons and solids
c)
Protons, neutrons, and electrons
d)
Nothing
33.
What is matter?
a)
Any subtance that doesn't take up space or have mass.
b)
Any substance that takes up space or have mass.
c)
Any substance that exists on Earth.
d)
Any substance that exists in space.
34.
Any substance that has a definite shape and definite volume is a(n)...
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
35.
Any substance that has an indefinite shape and a definite volume is a(n)...
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
36.
Any substance that has an indefinte shape and indefinite volume is a(n)...
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
37.
What is a chemical change?
a)
A change in within each material combined to make a new substance.
b)
A change in how it looks.
c)
A change in how it feels.
d)
A change only through part of the substance.
38.
What is a physical change?
a)
A change in which bonds are broken and reformed.
b)
When substances are heated.
c)
A change in which the physical appearance changes but not the chemical composition.
d)
A change in which the substance changes temperature.
39.
Matter can be separated into two groups...
a)
Pure substances and mixtures.
b)
Elements and compounds.
c)
Physical and chemical properties.
d)
Heterogeneous and homogeneous mixtures.
40.
What is a heterogeneous mixture?
a)
Any type of mixture.
b)
A mixture where the substances cannot be separated.
c)
A chemical reaction.
d)
A mixture where the substances can be separated.
41.
The amount of matter that an object has is its . . . . .
a)
density
b)
mass
c)
volume
d)
element
42.
A mixture that is evenly mixed throughout is a __________ mixture.
a)
homogeneous
b)
heterogeneous
c)
element
d)
compound
43.
A mixture that is unevenly mixed throughout is a __________ mixture.
a)
homogeneous
b)
heterogeneous
c)
element
d)
compound
44.
A substance that is made up of only one type of atom is
a)
a compound
b)
an element
c)
a homogeneous mixture
d)
a heterogeneous mixture
45.
A substance that is made up of two or more types of atoms that are chemically bonded together is
a)
a compound
b)
an element
c)
a hetereogeneous mixture
d)
a homogeneous mixture
46.
Elements and compounds are types of . . .
a)
pure substances
b)
mixtures
47.
________ are composed of two or more different substances that are combined physically
a)
Compounds
b)
Elements
c)
Mixtures
d)
Mass
48.
A horizontal row on the periodic table is called a ....
a)
element
b)
period
c)
family
d)
group
49.
Which element has the atomic symbol Fe?
a)
oxygen
b)
nitrogen
c)
iron
d)
sodium
50.
Which element has the atomic symbol Na?
a)
iron
b)
sodium
c)
nitrogen
d)
helium
51.
Which element has the atomic symbol H?
a)
hydrogen
b)
helium
c)
iron
d)
calcium
52.
Which compound has the chemical formula CO2?
a)
Carbon dioxide
b)
Water
c)
Table Salt
d)
Cobalt
53.
What side of the equation are the products on?
a)
left
b)
right
c)
middle
d)
it doesn't matter
54.
What side of the equation are the reactants on?
a)
left
b)
right
c)
middle
d)
it doesn't matter
55.
In a chemical equation, the left and right side must be.....
a)
the same
b)
balanced
c)
equal to zero
d)
letters only
56.
The law of conservation of matter states that matter can neither be . . . .
a)
created or changed, but can be destroyed
b)
changed or destroyed, but can be created
c)
created or destroyed, but can be changed in form
d)
changed, created, or destroyed
57.
A subscript is the number
a)
before the symbol
b)
by itself
c)
after a symbol
d)
on the reactant side
58.
Which of the following is a physical property?
a)
melting point
b)
ability to rust
c)
ability to burn
d)
reactivity with acid
59.
A coefficient is the number
a)
before the symbol
b)
after the symbol
c)
by itself
d)
on the product side
60.
Which of the following is a physical change?
a)
change in color due to rust
b)
change in shape
c)
change in chemical composition
d)
formation of a precipitant
61.
Which of the following is a physical change?
a)
change in shape
b)
change is mass
c)
change in color due to rust
d)
change in state of matter
62.
Atomic numbers are specific to a particular
a)
element
b)
compound
c)
isotope
d)
student
63.
An atom's _________ is its number of protons.
a)
atomic number
b)
mass number
c)
weight number
d)
football number
64.
The basic unit of matter is the
a)
atom
b)
molecule
c)
mole
d)
liter
65.
Positively charged particles found in the nucleus of an atom are called
a)
protons
b)
neutrons
c)
electrons
d)
isotopes
66.
Negatively charged particles found outside of the nucleus are called
a)
electron
b)
protons
c)
neutrons
d)
nucleons
67.
What is the element name for the symbol H?
a)
Hydrogen
b)
Helium
68.
Which of the 4 major groups is the largest? (4.4)
a)
Metals
b)
Semimetals
c)
Nonmetals
d)
Inert/Noble Gases
69.
The particles of a _ bounce and collide into other. (1.1)
a)
Solid
b)
Liquid
c)
Gas
70.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
71.
Number of C's in 2Na₂CO₃
a)
1
b)
2
c)
3
d)
5
72.
How many Aluminum are in Al2O3?
a)
3
b)
2
c)
5
73.
Number of C's in 2Na₂CO₃
a)
1
b)
2
c)
3
d)
5
74.
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
75.
Vertical columns in the periodic table are called _________ of elements and have similar properties.
a)
groups
b)
periods
76.
What does the atomic number tell us?
a)
number of protons
b)
number of neutrons
77.
A one or two letter abbreviation used to represent an element is called a(n) ________
a)
chemical symbol
b)
element sign
78.
Particles in an atom's nucleus that are neutral and have no charge are
a)
megatrons.
b)
electrons.
c)
neutrons.
d)
protons.
79.
An atom with atomic number 6 would have how many protons?
a)
6
b)
12
c)
3
d)
cannot be determined
80.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
81.
The smallest piece of an element is known as a(n)
a)
Periodic Table
b)
Atom
c)
Group
d)
Period
82.
The periodic table has __ groups.
a)
8
b)
7
c)
18
d)
2
83.
The horizontal rows on the periodic table are known as
a)
periods.
b)
atoms.
c)
groups or families.
d)
valence electrons.
84.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
85.
Group 18 elements are known as the _____ _____ and have full valence shells.
a)
royal gases.
b)
supreme solids.
c)
noble gases.
d)
legit liquids.
86.
Elements in the same ________ are more chemically similar.
a)
group
b)
period
c)
club
d)
table
87.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
88.
The father of the modern periodic table is
a)
John Dalton
b)
Niels Bohr
c)
Democritus
d)
Dimitri Mendeleev
89.
Negatively charged particles that move quickly around an atom are
a)
electrons.
b)
protons.
c)
neutrons.
d)
leptons.
90.
Elements that have properties of both metals and nonmetals are _____
a)
metals
b)
metalloids
c)
nonmetals
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