Section #: 26.1
Conventional Energy Resources
Practice Test
1.
Where does most energy on Earth come from?
a.
the Sun
b.
the Moon
c.
coal
d.
the decay of radioactive elements
Hint
2.
Many different types of fossil fuels exist, but they all originated from __________.
a.
metamorphism and partial decomposition of plants
b.
ocean sediments
c.
organic matter trapped in sedimentary rocks
d.
anthracite coal
Hint
3.
What compound can be added to gasoline to make it burn more cleanly?
a.
methane
b.
ethanol
c.
carbon dioxide
d.
hydrogen peroxide
Hint
4.
What type of bacteria can partially break down organic matter in low-oxygen environments?
a.
aerobic bacteria
b.
phytoplankton
c.
methane
d.
anaerobic bacteria
Hint
5.
What are fuels?
a.
plants only
b.
food produced by photosynthesis
c.
consumers in an ecosystem
d.
materials burned to produce heat or power
Hint
6.
What type of fuel is being mined in the figure?
a.
fossil
b.
nuclear
c.
solar
d.
wind
Hint
7.
Why do scientists interpret crude oil to have originated from once-living organisms?
a.
Low levels of oxygen in ocean sediments preserved organic matter.
b.
Crude oil is a mixture of organic compounds.
c.
Sedimentary rocks associated with crude oil contain living organisms.
d.
all of the above
Hint
8.
Which part of this diagram keeps all the fuel contained?
a.
A
b.
B
c.
C
d.
D
Hint
9.
Wood is used by __________ people throughout the world as the primary source of fuel for heating and cooking.
a.
100 million
b.
1.5 billion
c.
9 billion
d.
1 million
Hint
10.
What slows the decomposition of organic matter in a bog?
a.
acidic waters and high oxygen levels
b.
basic water and low oxygen levels
c.
acidic waters and low oxygen levels
d.
basic water and high oxygen levels
Hint
11.
What type of compounds make up crude oil?
a.
silica and hydrogen
b.
iron and carbon
c.
hydrogen and carbon
d.
oxygen and carbon
Hint
12.
A(n) __________ is a model that shows how energy from the Sun is used by producers and consumers.
a.
environment
b.
food chain
c.
ecosystem
d.
traditional fuel
Hint
13.
How can coal be classified?
a.
geologic period during which it formed
b.
amount of pressure and time for formation
c.
type of biomass
d.
temperature of formation
Hint
14.
What type of coal burns the most efficiently?
a.
bituminous
b.
peat
c.
lignite
d.
anthracite
Hint
