Indiana Science Grade 6

Chapter 10: Resources

Section 1 Self-Check Quiz-Eng.

1.
What is the main source of energy for homes and factories in the United States?
A)solar collectors
B)peat
C)wood
D)electrical power plants
2.
What forms fossil fuels?
A)a chemical reaction between water and the soil
B)acid rain
C)the compression of ash from a volcanic eruption
D)the decayed remains of ancient plants and other organisms
3.
Before vegetation is converted to coal, a dark, organic material called __________ is formed.
A)oil
B)lignite
C)anthracite
D)peat
4.
Which of the following is the hardest of all coals?
A)anthracite
B)lignite
C)bituminous coal
D)peat
5.
How are oil and natural gas formed?
A)Microscopic ocean animals and algae die and fall to the seafloor where they are buried and decay. Over time, chemical reactions form oil and natural gas.
B)Coal is melted into oil by magma under Earth's surface. Once it reaches the surface, it becomes natural gas.
C)Ancient plants decay and are compressed into a substance that mixes with water to form oil. Natural gas is formed when oil is burned.
D)Oil and natural gas are not formed, they are manufactured.
6.
Why do oil and natural gas move upward toward the surface of Earth?
A)Geothermal activity forces oil and natural gas toward the surface.
B)Oil and natural gas do not move toward the surface.
C)They are less dense than the surrounding rock and pore water contained within small spaces in the rock.
D)Oil and natural gas are more dense than the surrounding rock and therefore rise to the surface.
7.
Harmful waste produce by burning fossil fuels is called __________.
A)pollution
B)smudge
C)radioactive waste
D)mud
8.
What is formed when gases released by burning oil and coal mix with water in the air?
A)acid rain
B)dew
C)smog
D)dirty snow
9.
Today's car have __________ that reduce the amount of pollutants released in car exhaust.
A)mufflers
B)exhaust converters
C)catalytic converters
D)filters
10.
Fossil fuels cannot be replaced by natural processes in less than 100 years. They are classified as __________.
A)precious
B)nonrenewable
C)renewable
D)expensive
11.
How many years of oil reserves do scientists estimate are left?
A)60
B)200 to 300
C)between 30 and 40
D)100
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