Earth Resources
Practice Test
1.
Iron ores are commonly formed by __________.
SC.G.2.4.6
a.
chemical precipitation in layers of sedimentary rocks
b.
settling of crystals in igneous rocks
c.
placer deposits
d.
hydrothermal fluid migration
2.
How is the water of a hot spring heated?
SC.D.1.4.2
a.
It flows close to an area of recent igneous activity.
b.
It flows in an open area that is heated by solar activity.
c.
It is heated for no natural reason.
d.
It is heated from the body heat of humans.
3.
What is an example of a phenomenon that occurs in a microclimate?
SC.D.1.4.1
a.
temperatures that are above normal
b.
warm summers and cold winters
c.
hail
d.
lake-effect snow
4.
Which is NOT a method of building coastal landforms above sea level?
a.
storms moving sediments above the high-tide mark
b.
longshore transportation of sediments at high tide
c.
upwelling of sediments
d.
wind-shaping dunes from sediments exposed at low tide
5.
A steppe is a subtype of __________ climates.
SC.D.1.4.1
a.
subtropical
b.
temperate
c.
dry
d.
polar
6.
What is the solid, unweathered rock under the soil called?
SC.G.2.4.6
a.
humus
b.
the B horizon
c.
bedrock
d.
aggregate
7.
A mineral is __________ if it can be mined for profit.
a.
an ore
b.
an igneous rock
c.
a crystal
d.
a rock
8.
How do crystals of salt form?
a.
from magma
b.
inside caves
c.
from solution
d.
in glacial ice
9.
Oxygen makes up __________ percent of Earth's air.
SC.E.1.4.3
a.
80
b.
21
c.
12
d.
73
10.
What is the hardness of quartz?
a.
2
b.
9
c.
7
d.
4
11.
Artesian aquifers __________.
a.
contain water under pressure
b.
often are contaminated with salt water
c.
have hard water
d.
have problems with subsidence
12.
What are natural resources?
SC.G.2.4.6
a.
all nonrenewable
b.
the resources that the oceans provide
c.
all renewable
d.
the resources that Earth provides
13.
What is the purpose of the structure shown in the figure?
a.
to anchor boats
b.
to trap beach sand
c.
to protect the shore
d.
to redirect current
14.
When condensation takes place, __________ is released and __________ the air.
SC.D.1.4.1
a.
latent energy, cools
b.
latent heat, warms
c.
latent heat, decreases the temperature of
d.
latent particles, warms
15.
What part of this township shown in the map can negatively impact the air resources?
SC.G.2.4.6
a.
highway
b.
woods
c.
river
d.
gravel pit
16.
What type of solid particles play a role in cloud formation?
SC.D.1.4.1
a.
organic particles
b.
dust and salt particles
c.
clay particles
d.
extraterrestrial particles
17.
__________ has unique properties that allow life to exist on Earth.
SC.E.1.4.3
a.
Methane
b.
Carbon dioxide
c.
Water
d.
Nitrogen
18.
How long does it take to renew a forest used for paper?
SC.G.2.4.6
a.
at least 50 years
b.
100 to 200 years
c.
10 months to one year
d.
10 to 20 years
19.
According to the graph, which year saw the highest usage of water for irrigation?
SC.G.2.4.5
a.
1980
b.
1950
c.
1960
d.
1990
20.
A
n
__________ is a solid in which the atoms are arranged in repeating patterns.
a.
atom
b.
magma
c.
rock
d.
crystal
