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| 1.
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Which one of the following is a fossil fuel?
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| | A) | nuclear power |
| | B) | oil |
| | C) | wind |
| | D) | wood |
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| 2.
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The most reliable source of energy for all life on Earth is __________.
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| | A) | nuclear power |
| | B) | the Sun |
| | C) | coal |
| | D) | the wind |
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| 3.
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Wind and rain can cause __________, the movement of soil from one place to another.
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| | A) | solid wastes |
| | B) | soil pollution |
| | C) | erosion |
| | D) | acid rain |
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| 4.
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Which is the easiest type of plastic to recycle?
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| | A) | type 7 |
| | B) | type 2 |
| | C) | type 1 |
| | D) | type 4 |
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| 5.
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Which one of the following human activities would be most likely to increase soil erosion?
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| | A) | contour plowing |
| | B) | cutting down a forest |
| | C) | strip cropping |
| | D) | no-till farming |
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| 6.
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Earth would be too cold to support life as we know it without
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| | A) | geothermal energy |
| | B) | the greenhouse effect |
| | C) | the ozone layer |
| | D) | global warming |
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| 7.
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Which one of the following is an example of solid waste?
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| | A) | algae blooms |
| | B) | smog |
| | C) | food scraps |
| | D) | oil spills |
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| 8.
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Used paper, grass clippings, and vegetable scraps can be turned into soil-enriching __________.
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| | A) | sewage |
| | B) | plastics |
| | C) | oxygen |
| | D) | compost |
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| 9.
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What type of energy is released from uranium, a radioactive element?
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| | A) | solar energy |
| | B) | fossil fuel energy |
| | C) | geothermal energy |
| | D) | nuclear energy |
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| 10.
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The 3 Rs of conservation are
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| | A) | reduce, reduce, and reduce again |
| | B) | reduce, reuse, and recycle |
| | C) | restore rural regions |
| | D) | resources, rain, and renewable |
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| 11.
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__________ is electricity produced when the energy of falling water turns the blades of a generator turbine.
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| | A) | hydroelectric power |
| | B) | nuclear power |
| | C) | wind power |
| | D) | solar power |
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| 12.
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When algae from an algal bloom die, they are broken down by bacteria that use up much of the __________in the water.
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| | A) | chemical pesticides |
| | B) | food |
| | C) | oxygen |
| | D) | carbon dioxide |
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| 13.
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Rain can cause water pollution when it washes __________.
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| | A) | all answers are correct |
| | B) | pesticides and fertilizers into streams |
| | C) | air pollutants out of the sky |
| | D) | oil and grease off of roads and parking lots |
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| 14.
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Satellites that orbit Earth use __________ to generate electricity.
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| | A) | geothermal energy |
| | B) | nuclear power |
| | C) | solar cells |
| | D) | fossil fuels |
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| 15.
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Not only does it save resources to recycle metals and glass, it also takes far less __________ to make containers and other products from recycled minerals.
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| | A) | water |
| | B) | paper |
| | C) | energy |
| | D) | aluminum |
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| 16.
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Water that collects between particles of soil and rocks is called __________.
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| | A) | rain water |
| | B) | surface water |
| | C) | groundwater |
| | D) | water pollution |
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| 17.
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Any substance that contaminates the environment is __________.
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| | A) | a greenhouse gas |
| | B) | a pollutant |
| | C) | an acid |
| | D) | a mineral |
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| 18.
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To reduce your fossil fuel use you can take public transportation instead of __________.
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| | A) | walking |
| | B) | riding a bike |
| | C) | staying home |
| | D) | driving alone in a car |
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| 19.
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Which one of the following is a renewable resource?
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| | A) | iron |
| | B) | petroleum |
| | C) | aluminum |
| | D) | water |
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| 20.
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Which one of the following is an example of indoor air pollution?
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| | A) | smog |
| | B) | radon |
| | C) | greenhouse effect |
| | D) | acid precipitation |
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