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WorksheetsHuman's & Earth's Resources
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
Infectious organisms,such as bacteria or fungi, are called:
a)
pathogens
b)
parasites
c)
toxogens
d)
diseasogens
2.
People in some parts of the world cannot get enough clean water because
a)
there is not enough water
b)
they have no way to bring the water to the people
c)
there is not enough money for treatment plants
d)
all of these
3.
Recreational activities account for what percent of water usage?
a)
1%
b)
5%
c)
30%
d)
45%
4.
Scientists estimate that half of the world’s population will not have enough water by what year?
a)
2015
b)
2020
c)
2025
d)
2030
5.
Droughts:
a)
are entirely natural phenomena
b)
can be exacerbated (made worse) by deforestation (removal of forest trees)
c)
are increased by oil spills coating the water
d)
none of these
6.
How many people do not have access to safe water for drinking, hygiene, and domestic use?
a)
1 billion
b)
2.2 billion
c)
3.3 billion
d)
4.4 billion
7.
What is the most widespread source of water contamination in developing countries?
a)
municipal pollution
b)
agricultural pollution
c)
raw sewage
d)
industrial pollution
8.
The percentage of people living with water scarcity globally is
a)
the same as it has been since 1995
b)
doubling each year
c)
decreasing as nations develop better water purification facilities
d)
none of these
9.
Recovery from the BP oil spill:
a)
is complete
b)
is not over; more effects are being discovered
c)
was nearly complete after workers cleaned beaches and organisms
d)
is nearly done; there is just a bit of oil in beach sands
10.
Which of the following was harmed by the BP Oil Spill in 2010?
a)
endangered species
b)
commercial fishing
c)
tourism
d)
all of these
11.
Pregnant women and young children should not eat much shark, pike, albacore and halibut because of:
a)
the possibility of lead poisoning
b)
bioaccumulation of mercury
c)
volatile organic compounds
d)
none of these
12.
Which of the following is NOT a primary pollutant?
a)
CO2 (Carbon Dioxide)
b)
NO (Nitrogen Oxide)
c)
SO2 (Sulfur Dioxide)
d)
O3 (Ozone)
13.
What time of day does the amount of photochemical smog peak?
a)
dawn
b)
midday
c)
twilight
d)
night
14.
Rain:
a)
is naturally, slightly acidic.
b)
turns to acid rain from ozone in the troposphere.
c)
has become more alkaline in some locations in recent decades.
d)
all of these
15.
Which pollutant reduces visibility?
a)
ozone
b)
oxides
c)
particulates
d)
none of these
16.
The effect of CFCs on stratospheric ozone was first discovered
a)
from mathematical calculations
b)
ozone measurements over Antarctica
c)
when temperatures began to rise
d)
when CO2 levels began to rise
17.
It is important to develop biofuels as an alternative energy source because they
a)
have a greater net energy than other sources
b)
can be used to power cars and trucks
c)
take no processes, just grow them and go
d)
all of these
18.
Which of the following is NOT a possible effect of ozone loss?
a)
cataracts
b)
skin cancer
c)
reduced crop yields
d)
respiratory illnesses
19.
What reduces air pollutants from motor vehicles?
a)
muffler
b)
fuel cell
c)
catalytic converter
d)
all of these
20.
The effect of banning CFCs has been to
a)
increase the ozone hole
b)
stabilize the ozone hole
c)
eliminate the ozone hole
d)
none of these
21.
How do trees prevent soil erosion?
a)
Trees keep the wind from blowing hard through an area
b)
The leaves keep rain from striking the ground hard
c)
Roots of the trees hold the soil together
d)
all of these
22.
Soil erosion:
a)
is a natural process and as such should be left alone
b)
has been accelerated by human activities
c)
is an aesthetic problem but does little damage to human society
d)
all of these
23.
Farming causes soil erosion because
a)
the land is uncovered by plants for part of the year
b)
farm machines churn up the soil
c)
crop plants are often less able to protect the land than native plants
d)
all of these
24.
To reduce soil erosion from agriculture
a)
plant tall trees around the field to protect from wind
b)
use large sprinklers to be sure the soil is always moist
c)
plant one type of crop in a large region to keep conditions the same
d)
all of these
25.
To reduce soil erosion from logging
a)
clear cut an entire area
b)
log mostly seedlings
c)
cut a small area and replant the logged area with new seedlings
d)
all of these
26.
At Love Canal,
a)
the hazardous wastes were safely buried
b)
people became sick immediately after the town was built
c)
the first sign that something was wrong was that the town's children became sick
d)
none of these
27.
Where are Superfund sites found?
a)
in densely populated areas
b)
spread across the U. S. A.
c)
East of the Mississippi
d)
West of the Mississippi
28.
Which of the following is NOT considered a potentially hazardous material?
a)
baking soda
b)
batteries
c)
fertilizers
d)
paint
29.
At Love Canal,
a)
the problem was uncovered by local residents
b)
the local government detected the problem and dealt with it
c)
the state government detected the problem and dealt with it
d)
the federal government detected the problem and dealt with it
30.
Nations that produce the most hazardous waste have the most
a)
people
b)
farmers
c)
buildings
d)
industry
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