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SCIENCE 6 ACTIVITY HUMAN IMPACT ON THE ATMOSPHERE
Test Description: SCIENCE ACTIVITY
Instructions: Answer all questions to get your test result.
1) What effect has urbanization had on air pollution in the United States and around the world?
A
People driving more cars leads to less air pollution.
B
Providing less mass transportation leads to less air pollution.
C
People driving fewer cars results in more air pollution.
D
Locating more industries in urban areas creates more air pollution.
2) Agencies in the United States monitor the air quality across the country. You can find out at any given time what the air quality in your area is like. Which of these choices provides the best description of air quality?
A
.
B
the measure of the acidity of the air
C
the measure of how clean or polluted the air is
D
.
3) The atmosphere helps regulate Earth’s temperature so that life can exist. It also provides the oxygen and carbon dioxide that organisms need to live. Air is an important natural resource that forms part of the atmosphere. Which of these statements pr
A
Air protects organisms from harmful radiation from the sun.
B
Air affects surface currents in the oceans.
C
.
D
.
4) Indoor air pollutants can be dangerous because the air pollutants stay in a small space rather than circulating throughout the atmosphere. Which of these choices is an example of an indoor air pollutant?
A
vehicle exhaust
B
.
C
.
D
building materials
5) According to the pie chart, how much carbon dioxide emissions come from transportation?
A
7.9%
B
.
C
.
D
13.1%
6) Using fewer wood products, buying used homes, and recycling paper are alternatives to
A
.
B
factories
C
.
D
deforestation
7) What is one way that humans can lessen their impact on the environment?
A
.
B
.
C
Recycle
D
Drive large vehicles
8) Define deforestation
A
The cutting down removal of all or most of the trees in a forested area.
B
A broadleaf evergreen forest that is found in hot regions, receives a lot of rain and that has very tall trees.
C
.
D
The act or process of damaging or ruining something. To treat poorly or w/out respect.
9) What is the best explanation for the rise in atmospheric CO2 levels since the 1800's?
A
natural fluctuations of the climate
B
increased use of fossil fuels by humans
C
.
D
.
10) How can the planting of new trees help reduce climate change?
A
.
B
Trees release moisture that cools the atmosphere.
C
Trees take in carbon dioxide from the atmosphere during photosynthesis.
D
.
*select an answer for all questions
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