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WorksheetsChapter 4 Environment
Total questions: 33
Worksheet time: 17mins
Name
Class
Date
1.
The Earth's resources can be conserved
a)
only by the actions of industry
b)
by reducing the use of nonrenewable resources
c)
if people do whatever they want to do
d)
by throwing away all our trash
2.
Endangered species
a)
are those that are extinct
b)
are found only in tropical rain forests.
c)
can sometimes be brought back from near extinction.
d)
are all protected by the Endangered Species Act.
3.
Global warming is a danger
a)
only to people living in warm climates
b)
to organisms all over the planet
c)
only to life at the poles.
d)
to the amount of carbon dioxide in the air.
4.
Which of these products comes primarily from a renewable resource?
a)
motor oil
b)
fiberglass insulation
c)
cardboard boxes
d)
plastic pipes
5.
Which of the following is believed to be most responsible for ozone depletion in the atmosphere?
a)
PCBs
b)
CFCs
c)
pesticides
d)
lead-based paints
6.
Which of the following habitats is likely to be the MOST diverse?
a)
a wheat farm
b)
a pasture for cattle
c)
the arctic tundra
d)
a tropical rain forest
7.
Which of the following would help reduce air pollution the MOST?
a)
haing a lawn instead of flowers
b)
eating meat instead of beans
c)
bicycling instead of traveling by car
d)
using coal instead of nuclear power for energy
8.
Four decades ago, Rachel Carson wrote about the environmental dangers of
a)
PCBs
b)
CFCs
c)
pesticides
d)
lead-based paints
9.
Scientists think that an increase in __________ and other pollutants has caused a significant increase in global temperatures.
a)
oxygen
b)
carbon dioxide
c)
nitrogen
d)
argon
10.
If global temperatures increase, it could get so warm that
a)
people would be too hot to do anything.
b)
most plants and animals would die out
c)
air conditioning systems would no longer work.
d)
the polar icecaps would melt, causing floods along coastlines.
11.
Suppose an underground water supply has a depth of 100m of water. If water seeps in at a rate of 5cm/year and is pumped out at a rate of 1 m/year, how long will this water supply last?
a)
5 years
b)
20 years
c)
100 years
d)
105 years
12.
A major contributor to marine habitat loss is
a)
deforestation.
b)
alien intrusion.
c)
oil.
d)
soil erosion.
13.
Which of the following is NOT biodegradable?
a)
plastic
b)
paper
c)
wood
d)
food scraps
14.
The three Rs of conservation are
a)
reduce, reuse, and recycle
b)
reconfigure, repair, and rescue
c)
reading, writing, and arithmetic
d)
remember, retain, and reconstruct
15.
One-third of the waste from cities and towns is from
a)
old clothing.
b)
uneaten food.
c)
paint and cleaning fluids.
d)
packaging.
16.
Organic farmers do NOT use
a)
manure.
b)
pesticides.
c)
compost.
d)
mulch.
17.
A sign on a golf course states: "To conserve our natural resources, this golf course is irrigated with treated effluent." This means that the golf course is
a)
fertilized with natural fertilizer.
b)
watered with reclaimed water.
c)
pest-controlled using natural pesticides.
d)
seeded using organic seeds.
18.
Which of the following industries can produce hazardous wastes?
a)
paper mills
b)
nuclear power plants
c)
oil refineries
d)
all of the above
19.
Most of our household waste goes into
a)
the air.
b)
giant landfills.
c)
the water.
d)
new products.
20.
What is the problem with using nuclear power plants to generate electrical energy?
a)
The combustion of coal contaminates the air.
b)
They produce radioactive wastes.
c)
They heat up the planet.
d)
They produce CFCs.
21.
Why should the ozone layer be protected?
a)
It causes photosynthesis.
b)
It prevents erosion.
c)
It protects Earth from harmful ultraviolet light.
d)
It protects Earth from meteorites.
22.
Which of the following is a nonrenewable resource?
a)
sunlight
b)
wind
c)
fossil fuels
d)
trees
23.
Which statement best describes why alien species often thrive in foreign lands?
a)
They always have more food to eat in the new habitat.
b)
The climate is always better in the new habitat.
c)
They are free from the predators of their native habitats.
d)
They are transported by humans
24.
Which statement best describes the latest trend in the human population according to the graph?
a)
There were no humans on the Earth around 6000BC
b)
The human population has never decreased in size.
c)
An increase in the food supply was responsible for the increase in the population.
d)
The human population is currently rising dramatically.
25.
According to the graph, the human population
a)
remained essentially unchanged for thousands of years.
b)
doubled in size from 200B.C. to 1000 B.C
c)
reached 1 billion in 1492.
d)
will stop growing in the year 2000.
26.
The graph shows
a)
the temperature of carbon dioxide over time.
b)
the relationship between CO2 concentration and temperature over time.
c)
the increase of oxygen concentration over time.
d)
None of the above
27.
What does the graph show about Earth's atmosphere?
a)
From 1900 to 1950, the average temperature constantly increased.
b)
The concentration of carbon dioxide has increased at the same steady rate for the past 100 years.
c)
The concentration of carbon dioxide and the average temperature have not changed since 1940.
d)
The temperature has increased since 1970.
28.
Why can pollutants from one ocean easily be carried around the world?
a)
All of the oceans are connected.
b)
Water knows no bounds.
c)
Humans travel around the world.
d)
The pollutants are windborne.
29.
Which of the following in NOT considere hazardous waste?
a)
used fuel rods from nuclear power plants
b)
dead batteries, such as those used in radios
c)
rotting meat and other food waste
d)
metals like lead and mercury
30.
Why is it important for humans to develop programs to protect habitats?
a)
There will not be any habitats left otherwise.
b)
Protecting habitats maintains biodiversity and protects the food web.
c)
We do not really need the resources in those habitats.
d)
There will not be any resources or food for us otherwise.
31.
Exposure to chemicals like PCBs and radioactive wastes may not make you sick immediately. Why should you avoid them?
a)
It is bad luck to look at hazardous wastes.
b)
They are not biodegradable.
c)
They bread down slowly in the environment.
d)
They may give you cancer in the future.
32.
which action would have the greatest impact on reducing river pollution in a farm area?
a)
planting crops that absorb less water
b)
plowing land earlier in the year
c)
controlling the use of fertilizer
d)
increasing irrigation of crops
33.
Engineers have recently developed alternative fuels such as ethanol to power vehicles. Ethanol is a fuel that is made from corn or other crops including wheat, barley, and potatoes. E85 is a mixture of 85% ethanol and 15% gasoline. The greatest environmental advantage to using E85 would be that
a)
it has gasoline mixed in it.
b)
it is used to power vehicles.
c)
it is made up mostly of renewable resources.
d)
it is made from crops that require powerful fertilizers.
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