Earth Resources
Practice Test
1.
Which is a renewable resource?
a.
silver
b.
diamonds
c.
carbon
d.
oil
2.
Concrete and mortar used in construction are made using __________.
a.
ores
b.
crystals
c.
aggregates
d.
diamonds
3.
How long does it take to renew a forest used for paper?
a.
100 to 200 years
b.
10 months to one year
c.
at least 50 years
d.
10 to 20 years
4.
Which of the pictures shows a nonrenewable resource?
a.
D
b.
A
c.
B
d.
C
5.
According to the figure, why might it be harmful to a small seawater environment to receive too much rain?
a.
rainwater is too acidic
b.
rainwater is just pure water
c.
rainwater is too basic
d.
rainwater is the same pH as seawter
6.
__________ has unique properties that allow life to exist on Earth.
a.
Methane
b.
Nitrogen
c.
Carbon dioxide
d.
Water
7.
What is an example of natural air pollution?
a.
acid precipitation
b.
carbon monoxide from engine exhaust
c.
dust from desertification
d.
smoke from forest fires
8.
Which is a nonrenewable resource?
a.
air
b.
phosphorus
c.
copper
d.
trees
9.
Chromite ores often are found __________.
a.
in metamorphic rocks
b.
within glacial deposits
c.
in layered intrusions
d.
at the base of hydrothermal deposits
10.
Oxygen __________.
a.
was used up by early life-forms during photosynthesis
b.
has not always been a part of Earth's atmosphere
c.
has been in Earth's atmosphere for the past 4.6 billion years
d.
is released by volcanic eruptions in large quantities
11.
What is an ore?
a.
a natural resource that can be mined at a profit
b.
a natural resource that is dug out from underground
c.
any nonrenewable resource
d.
any land resource
12.
How is oxygen released into Earth's atmosphere?
a.
photosynthetic plants
b.
volcanic eruptions
c.
burning fossil fuels
d.
burning forests
13.
According to the graph, which year saw the highest usage of water for irrigation?
a.
1980
b.
1960
c.
1990
d.
1950
14.
Which aspects of the township shown in the figure has damaged the land resources of the area?
a.
cornfields
b.
truck farm
c.
woods
d.
marsh
15.
What are natural resources?
a.
the resources that Earth provides
b.
all nonrenewable
c.
all renewable
d.
the resources that the oceans provide
16.
What number of the world's countries experience chronic water shortages?
a.
5
b.
25
c.
125
d.
100
17.
What part of this township shown in the map can negatively impact the air resources?
a.
woods
b.
river
c.
gravel pit
d.
highway
18.
What is water used most for, according to the graph?
a.
irrigation
b.
industry
c.
public supply
d.
electricity
19.
Oxygen makes up __________ percent of Earth's air.
a.
21
b.
80
c.
73
d.
12
20.
Iron ores are commonly formed by __________.
a.
settling of crystals in igneous rocks
b.
hydrothermal fluid migration
c.
placer deposits
d.
chemical precipitation in layers of sedimentary rocks
