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WorksheetsChapter 1 Studying the State of Our Earth
Total questions: 30
Worksheet time: 20mins
Name
Class
Date
1.
When we discuss "our environment" we are referring to
a)
All conditions in the world.
b)
the sum of all the conditions surrounding us that influence life.
c)
primarily interactions that harm the atmosphere.
d)
only interactions that affect human life.
2.
Ecosystem services
a)
are the processes by which life supporting resources are produced.
b)
can be provided by a forest.
c)
can be provided by an aquifer and soil.
d)
All of these answers are correct.
3.
Evidence of biodiversity is seen in the
a)
number of species, ecosystems and habitats in a region.
b)
genetic variation among human populations.
c)
variety of nutrients available in a region.
d)
All of these answers are correct.
4.
The population with the greatest ability to respond to environmental change most likely is the one with
a)
high genetic diversity.
b)
low genetic diversity.
c)
one type of dominant organism.
d)
two types of dominant organisms
5.
The number of species on Earth that have been identified is approximately
a)
10 billion
b)
1 billion
c)
100 million
d)
2 million
2 million
2 million
6.
The health of frog populations is used as an indicator of environmental health because frogs
a)
are exposed to the water.
b)
are amphibious.
c)
eat insects which are very low on the food
chain.
d)
live in the tropics.
7.
Two square km is equal to square meters.
a)
200,000
b)
2,000,000
c)
20,000,000
d)
2,000,000,000
8.
Use Figure 1-1. According to the figure above, which of the following statements about the overall trends in per capita wheat production is correct?
a)
Per capita wheat production increased from 1950
through the mid-1980’s and then started
to decrease.
b)
There is no discernible trend.
c)
Between 1950 and 1960, per capita wheat
production was stable and then decreased through 2005.
d)
Per capita wheat production has not changed
since the 1950’s.
9.
Factors that are responsible for grain production not keeping up with worldwide population include
a)
crop diseases and
soil degradation.
b)
use of food crops for fuel.
c)
government encouragement to let land remain uncultivated.
d)
All of these answers are correct.
10.
The concentration of carbon dioxide in the atmosphere
a)
is increasing in part due to fossil fuel use and deforestation.
b)
has not significantly changed in the past 200 years.
c)
has been decreasing since the 1800’s.
d)
none of these
11.
Human population today is closest to
a)
3 billion.
b)
5 billion.
c)
6 billion.
d)
7 billion.
12.
All of the following are non-renewable resources except
a)
aluminum.
b)
coal.
c)
copper.
d)
timber.
13.
Economic development goes hand in hand with
a)
decreased use of non-renewable resources.
b)
increased consumption of resources.
c)
smaller more efficient living styles.
d)
better planting strategies for crops.
14.
_______% of the world’s most developed population consumes __________ % of the world’s energy.
a)
20; 58
b)
20; 20
c)
10; 90
d)
2; 75
15.
If land is cleared at a rate of 456 hectares per week, approximately how many acres per year that are being cleared?
a)
16,5000
b)
9500
c)
66,400
d)
58,600
16.
Sustainable development
a)
was demonstrated on Easter Island.
b)
requires resources to be saved and stored for
one generation.
c)
balances human needs and economic development.
d)
Allows for clear-cutting of trees.
17.
The following are examples of sustainable practices.
I. Forests cut for timber are replanted
II. Steel is recycled.
III. Plastic is disposed of in landfills because that it is less expensive than recycling.
I. Forests cut for timber are replanted
II. Steel is recycled.
III. Plastic is disposed of in landfills because that it is less expensive than recycling.
a)
I, II, and III.
b)
I only.
c)
II only.
I and II only.
I and II only.
d)
I and III only.
18.
Sustainable development would incorporate
a)
the development of alternative materials and the
efficient use of energy.
b)
replacement of nutrients in soil.
c)
evaluation of residential patterns.
d)
All of these answers are correct.
19.
Calculating ecological footprint involves consideration of
a)
the impact of activities on the resources of
Earth
and lifestyle.
b)
water usage for crops and direct consumption.
c)
food calories required for continuing normal
activity.
d)
All of these answers are correct.
20.
Use Passage 1-1. The treatments planted with wheat alone are the
a)
constant.
b)
controls.
c)
independent variable.
d)
dependent variable.
21.
Use Passage 1-1. The following statement provides a hypothesis for this experiment :
a)
Wheat grows taller when planted by itself than when it is alternated with clover.
b)
Clover grows better when planted by itself
c)
Wheat grows better when planted together with clover.
d)
Clover grows better when planted together with wheat.
22.
Use Passage 1-1. Several setups of each treatment are prepared to fulfill a very important requirement of scientific experimentation, specifically the need for
a)
replication.
b)
constants.
c)
a control.
d)
an independent variable.
23.
Use Passage 1-1. Constants in this experiment are
a)
the pan of wheat, temperature, soil type.
b)
temperature, number of seeds in each pan,
sunlight.
c)
number of seeds in each pan, sunlight, one pan
of wheat and clover.
d)
the pans of wheat alternated with clover
24.
Use Passage 1-1. The dependent variable in this experiment could be the
a)
height of the clover.
b)
number of leaves on the clover.
c)
height of the wheat
d)
presence of nodules on the roots of the clover.
25.
When studies are done to determine the effect of pesticides on humans,
a)
human subjects are used to test the pesticides.
b)
the health of similar groups of people who have
not been exposed to the pesticides are used as a basis for comparison.
c)
it is very difficult to find more than a single
person exposed.
d)
higher primates are tested because their systems
are close to those of humans.
26.
The death of a billion fish in the Neuse River of North Carolina in 1991 was caused by
a)
sediment.
b)
bacteria.
c)
overfishing the food source of the fish.
d)
Pfiesteria.
27.
Inductive reasoning
a)
is the process of making general statements from
specific facts.
b)
is the process of applying a general statement
to specific facts.
c)
doesn’t require facts.
d)
is the same thing as a hypothesis.
28.
The study of environmental science differs from study of the natural sciences such as biology and chemistry because it
a)
doesn’t encourage critical thinking.
b)
isn’t included in most institutions of higher
learning.
c)
involves politics, law and economics.
d)
eliminates the consideration of physics.
29.
Environmental justice is
a)
the body of law that deals with environmental
issues.
b)
the type of legal system that environmental
lawyers use to defend nature.
c)
a social movement that works toward equal
enforcement of environmental laws in poor communities.
d)
a type of legal punishment for polluters.
30.
Controlled experiments in nature are difficult because
a)
it is impossible to determine what kind of
conditions are needed for the experiment.
b)
large amounts of land are sometimes required to
produce natural conditions.
c)
animals cannot be studied because they do not
stay still.
d)
scientists do not like to do the fieldwork
required.
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