Focus On Earth Science: California Grade 6

Chapter 14: Resources

Standards Review

1.
"An energy source that will eventually run out is called a(n) __________ resource." 6.b
A)conserved
B)endangered
C)non-renewable
D)renewable
2.
The loss of Earth's rain forests could result in __________. 6.b
A)increased O2 levels
B)increased rainfall
C)decreased CO2 levels
D)species extinction
3.
Fossil fuels cannot be replaced by natural processes in less than 100 years. They are classified as __________. 6.b
A)nonrenewable
B)precious
C)renewable
D)expensive
4.
Sun, wind, and water are all examples of __________ because they can be replaced by natural processes in less than 100 years. 6.b
A)clean energy sources
B)alternative energy resources
C)inexpensive resources
D)renewable resources
5.
Which of these is not an example of a natural resource? 6.b
A)sunlight
B)automobile
C)water
D)tree
6.
Which of these natural resources has a limited supply on Earth? 6.b
A)trees
B)water
C)gold
D)cotton
7.
_______ activities affect the quality and availability of our natural resources: land, water, and air. 6.b
A)Plant
B)Fish
C)Human
D)Animal
8.
Which of the following nonrenewable energy resources is NOT a fossil fuel? 6.a
A)nuclear
B)coal
C)natural gas
D)oil
9.
The most abundant fossil fuel in the world is __________. 6.a
A)natural gas
B)oil
C)petroleum
D)coal
10.
Which fossil fuel is formed by decaying plant matter? 6.a
A)petroleum
B)oil
C)coal
D)natural gas
11.
Scientists are hoping to find a way to produce nuclear energy from a process called __________. 6.a
A)fission
B)fusion
C)binding
D)radiation
12.
Which energy resource utilizes hot, dry rocks? 6.a
A)petroleum
B)wind
C)geothermal
D)solar
13.
Biomass energy can be obtained from all of the following EXCEPT __________. 6.a
A)rocks
B)wood
C)garbage
D)ethanol
14.
Which energy type is nonpolluting and free? 6.a
A)biomass
B)nuclear
C)fossil fuel
D)wind
15.
Which of the following statements about recycling is true? 6.a
A)Recycling takes more energy than obtaining the new material.
B)Recycling won't help humans meet future needs.
C)Recycling is a way to reuse materials rather than obtain new ones.
D)Recycling increases the amount of mineral resources needed every year.
16.
The majority of energy used by Americans comes from __________. 6.c
A)hydroelectric
B)petroleum
C)nuclear
D)coal
17.
One drawback of nuclear energy is that nuclear waste must be contained and stored safely for at least __________. 6.c
A)100 years
B)10 years
C)10,000 years
D)1,000 years
18.
Which of the following is a disadvantage to using nuclear power as an energy source? 6.a
A)creates air pollution during fission
B)generates only small amounts of energy
C)supply is limited
D)produces dangerous waste
19.
Which of the following human practices does NOT aid in protecting the environment? 6.a
A)recycle
B)reduce
C)reuse
D)retire
20.
What is one thing a company could do to help lessen the impact today's throwaway culture has on the environment? 6.c
A)increase production
B)build more plants
C)lower costs
D)reduce packaging
Grade 6
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