Tennessee Science Grade 7

Section 2: Pollution

Self-Check Quiz - English

1
Earth would be too cold to support life as we know it without
A)global warming
B)the greenhouse effect
C)the ozone layer
D)geothermal energy
2
Why do many people feel that slowing our use of fossil fuels would slow global warming?
A)Fossil fuels produce smog in the atmosphere.
B)Mining fossil fuels produces heat.
C)Fossil fuel use damages the ozone layer.
D)Burning fossil fuels produces CO2, a greenhouse gas.
3
Because of __________, the amount of UV radiation that reaches Earth's surface is increasing.
A)ozone depletion
B)global warming
C)acid rain
D)water pollution
4
Which one of the following is an example of indoor air pollution?
A)smog
B)radon
C)acid precipitation
D)greenhouse effect
5
When algae from an algal bloom die, they are broken down by bacteria that use up much of the __________in the water.
A)carbon dioxide
B)chemical pesticides
C)oxygen
D)food
6
Rain can cause water pollution when it washes __________.
A)air pollutants out of the sky
B)oil and grease off of roads and parking lots
C)pesticides and fertilizers into streams
D)all of the above
7
Water that collects between particles of soil and rocks is called __________.
A)groundwater
B)surface water
C)rain water
D)water pollution
8
Wind and rain can cause __________, the movement of soil from one place to another.
A)soil pollution
B)solid wastes
C)erosion
D)acid rain
9
Which one of the following human activities would be most likely to increase soil erosion?
A)cutting down a forest
B)strip cropping
C)contour plowing
D)no-till farming
10
10. Which one of the following is an example of solid waste?
A)algae blooms
B)food scraps
C)oil spills
D)smog
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