NEW
Font size
S
M
L
XL
WorksheetsSB4D: Human Impact
Total questions: 45
Worksheet time: 50mins
Name
Class
Date
1.
Fossil fuels such as coal, oil, and natural gas supply much of the world's energy. However, these fuels have a tremendous negative effect on the environment. Which of the following would be the best strategy to alleviate this problem
a)
Impose fines on individuals that overuse fossil fuels and use the money for environmental cleanup
b)
Educate society on the harmful effects and gradually replace fossil fuels with alternative renewable resources.
c)
Fund scientific research for discovering new energy sources and use the remaining supply of fossil fuels until then.
d)
Create an environmental policy that would ban the use of all fossil fuels due to the negative environmental effects.
2.
- Identify which of the following is the major cause of ozone depletion.
a)
Chlorofluorocarbons
b)
Ultraviolet light
c)
Nitric acid
d)
Sulfuric acid
3.
The presence of wastes, such as plastic bags and motor oil, in lakes and streams miles away from developed areas suggests that
a)
ecosystems are interconnected and human action can alter ecosystem equilibrium
b)
recycling programs have failed to conserve biotic resources.
c)
direct harvesting practices have led to irreversible destruction of ecosystems.
d)
recycling programs have failed to conserve biotic resources
4.
The ozone layer has been depleted by the use of CFC’s. What is one effect that is now seen in the population due to this decrease in ozone
a)
less acid rain destroying paint on cars
b)
increased skin cancer diagnosed cases
c)
elevated levels of fossil fuel emissions
d)
larger amount of infectious diseases
5.
Which of the following best describes the main focus of sustainability in the modern world?
a)
using Earth's natural resources without depleting them
b)
ensuring that endangered species are protected to prevent extinction
c)
providing for the food demands of the world's population
d)
developing ways to use natural resources in the most efficient manne
6.
Which region has an abundance of oil and a scarcity of water?
a)
Canada
b)
The Middle East
c)
The United States
d)
The Great Lakes
7.
Why is oil considered a non-renewable resource?
a)
It can never be regenerated.
b)
It takes millions of years to form.
c)
It can be renewed in about 100 years.
d)
Oil is renewable.
8.
Which of the following is a non-renewable energy resource?
a)
wind
b)
solar
c)
coal
d)
biomass
9.
What is one way that humans can lessen their impact on the environment?
a)
Recycle
b)
Eat more meat
c)
Drive large vehicles
d)
Increase agricultural area
10.
Which of the following is NOT a Greenhouse Gas?
a)
Carbon dioxide
b)
Methane
c)
Nitrous oxide
d)
Oxygen
11.
Coal burning results in which of the following:
a)
production of acid rain
b)
release of radiation
c)
increase in deforestation
12.
Which of the following would cause the greatest decrease in the number of species of plants and animals living in some of the lakes & streams?
a)
increase in dissolved oxygen
b)
global warming
c)
ozone destruction
d)
acid rain
13.
Deforestation results in which of the following
a)
increase in CO2
b)
decrease in CO2
c)
increase in O2
d)
decrease in H
14.
New fuels are being produced by converting corn and grasses into compounds containing alcohols that can be broken down for energy in various engines. The purpose of this research is to
a)
reduce the use of nonrenewable resources.
b)
increase the rate of air pollution.
c)
reduce the rate of homeostasis in organisms.
d)
cause a loss of biodiversity in the rain forests.
15.
One way that humans could have a positive impact on local environments is to:
a)
generate waste products as a result of technological advances
b)
use resources that are renewable
c)
increase planting large areas of one crop
d)
increase the use of pesticides
16.
Which organism would have the greatest concentration of pollution?
a)
zooplankton
b)
large fish
c)
fish-eating birds of prey
d)
small fish
17.
How can people reduce the amount of resources they use?
a)
make more landfills and garbage dumps
b)
buy products with lots of packaging
c)
use water, electricity, and gas conservatively and recycle metal, paper, and glass
d)
Think only about what you need right now and don’t worry about the future
18.
The number one threat to biodiversity
a)
pollution
b)
fragmentation
c)
habitat destruction
d)
limiting factors
19.
Why is it important to conserve the biodiversity of Earth?
a)
to decrease the amount of global predator populations
b)
to decrease the stability of major global ocean currents
c)
to increase the stability of ecosystems during environmental changes
d)
to increase the amount of nonrenewable resources located in the lithosphere
20.
What is an example of a renewable resource?
a)
oil
b)
trees
c)
coal
d)
natural gas
21.
A resource that can be used up faster than it can be created.
a)
nonrenewable resource
b)
renewable resource
22.
Resources that can be replaced quickly.
a)
nonrenewable
b)
renewable
23.
Instead of throwing away a plastic bottle what could you do that would help the environment?
a)
burn the bottle
b)
bury the bottle
c)
throw the bottle in trash
d)
take the bottle to a recycling center.
24.
WHY IS FRESH WATER A LIMITED RESOURCE?
a)
people do not need fresh water
b)
a small percentage of liquid freshwater is found on Earth
c)
Most of Earth is covered in fresh water
25.
What long-term impact could the destruction of large areas of forests have on Earth?
a)
decreased rates of erosion
b)
increased atmospheric carbon dioxide levels
c)
decreased amounts of acid rain
d)
increased atmospheric oxygen levels
26.
Which would most likely cause a reduction in the amount of coal and natural gas on Earth?
a)
a continual increase in the amount of pollution in Earth’s atmosphere
b)
a continual increase in the number of people on Earth
c)
a continual decrease in the amount of water in Earth’s aquifers
d)
a continual decrease in the amount of rain forests on Earth
27.
All of the following are examples of environmental changes that can be caused by humans except -
a)
clearing land for housing developments
b)
pesticides
c)
volcanic eruption
d)
pollution
28.
Most electricity in the United States is produced from___________.
a)
nuclear energy
b)
fossil fuels
c)
wind energy
d)
geothermal
29.
Insecticides are sprayed over a large area in an effort to reduce the number of grasshoppers that are eating the corn plants. How will this change affect this food chain?
a)
The number of grasshoppers will increase
b)
The number of lizards will increase
c)
The number of lizards and hawks will decrease
d)
The number of grasshoppers, lizards, and hawks will decrease
30.
Which of the following describes a species that will soon be gone if nothing is done?
a)
threatened
b)
invasive
c)
endangered
d)
extinct
31.
Biodiversity refers to
a)
extinct species
b)
the variety of species on Earth
c)
nonrenewable resources
d)
the rate of species decline
32.
All of the flowing are threats to biodiversity EXCEPT
a)
Overexploitation
b)
Habitat fragmentation
c)
Introduced species
d)
Species preservation
33.
Any thing or organism that regulates the size of a population of another organism is known as __________.
a)
a limiting measure
carrying capacity
carrying capacity
b)
a limiting factor
c)
living factors
d)
pollution
34.
A road has been built in the middle of a forest. The forest is now
a)
divided
b)
logged
c)
cut
d)
fragmented
35.
No more of the species exists.
a)
extinct
b)
endangered
c)
threatened
36.
A species that is still present in its native location, but the numbers have drastically declined and is at high risk of disappearing.
a)
extinct
b)
endangered
c)
threatened
37.
The remnants of old organism that were preserved in soil or rock.
a)
renewable resource
b)
fossil fuels
c)
oil
38.
If the human population continues to grow exponentially it would result in which of the following:
a)
a reduction of resources
b)
decrease pollution
c)
increase in available freshwater
d)
chaos
39.
What are some bad things attributed to population growth?
a)
autism & genetic diseases
b)
religious conflict
c)
low wages & unemployment
d)
burning fossil fuels & increased CO2 production
40.
What is deforestation?
a)
throwing someone out of a window
b)
selectively cutting trees for lumber, making sure the forest remains healthy
c)
allowing more animals to graze on the land than it can support
d)
cutting and removal of rainforest
41.
What are some reasons deforestation occurs?
a)
clearing land for agriculture, ranching, and mining
b)
just wanting to destroy things
c)
Population moving from rural areas to cities
d)
to make room for infrastructure
42.
What are some consequences of deforestation?
a)
increased population in cities
b)
building of more infrastructure
c)
soil erosion, loss of biodiversity, loss of ability to remove CO2
d)
more mercury and cyanide released into rivers
43.
What is being modeled in the diagram above?
a)
the greenhouse effect
b)
chemical monitoring
c)
hydrothermal venting
d)
global warming
44.
process by which a body of water becomes too rich in dissolved nutrients, leading to plant growth that depletes oxygen
a)
eutrophication
b)
thermal pollution
c)
global warming
45.
rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water
a)
eutrophication
b)
acid rain
c)
thermal pollution
Reset
