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WorksheetsHuman Impact Review
Total questions: 57
Worksheet time: 4hrs 33mins
Name
Class
Date
1.
What is the energy involved in spinning?
a)
kinetic
b)
electrical
c)
chemical potential
d)
thermal
2.
Which of the following electrical generators does NOT involving spinning?
a)
Coal
b)
Nuclear
c)
Tidal
d)
Solar panels
3.
What is the best energy chain for coal fired power plants
a)
chemical -> kinetic -> electrical
b)
kinetic -> electrical
c)
electrical -> chemical -> heat
d)
kinetic -> chemical -> electrical
4.
Which electrical generator has this energy chain?
kinetic -> electrical
kinetic -> electrical
a)
wind
b)
natural gas
c)
nuclear
d)
solar panel
5.
What does coal, natural gas and diesel have in common that nuclear is lacking?
a)
They all involve burning.
b)
They all start with a hot material.
c)
There is spinning involved.
d)
They are all renewable resources.
6.
What energy source has this energy chain?
light-> electricity
light-> electricity
a)
geothermal
b)
solar panel
c)
nuclear
d)
tidal
7.
One advantage to nuclear power is...
a)
no greenhouse gas emissions
b)
easy fuel extraction
c)
easy to transport
d)
cheap to produce
8.
Fossil fuels are formed from organic material underground over...
a)
millions of years
b)
billions of years
c)
hundreds of years
d)
thousands of years
9.
Most of our electricity (in the US) comes from ....
a)
Burning gasoline
b)
Burning coal and Natural Gas
c)
Burning Nitrogen
d)
Burning Petroleum
10.
Which of the following is not a nonrenewable energy resource?
a)
Coal
b)
Wind
c)
Nuclear
d)
Natural gas
11.
What is an advantage of fossil fuels?
a)
it is the most available energy source
b)
it won't run out
c)
it can be found in every location around the world
d)
it is renewable
12.
One of coal's negative effects is:
a)
carbon emissions
b)
It’s expensive
c)
Not available
d)
Radioactivity
13.
One disadvantage of nuclear energy is:
a)
requires wind in order to maintain clean enough facilities to manage the reaction
b)
The waste is hazardous and can affect the
environment for thousands of years
environment for thousands of years
c)
Can't be produced in violent weather
d)
it has a high cost of fuel, but it is renewable
14.
Environmental costs associated with the use of coal include all of the following except
a)
particulates that are released into the atmosphere when coal is burned
b)
degradation to land due to mining techniques
c)
the creation of highly radioactive waste
d)
trace metals found in coal
15.
Put the items below in correct sequence for the generation of electricity using the wind
1 – generator converts mechanical energy into electrical energy
2 – wind turns the wind turbine blade
3 – the gear box transfers mechanical energy to the generator
4 – electricity is transferred to the grid
1 – generator converts mechanical energy into electrical energy
2 – wind turns the wind turbine blade
3 – the gear box transfers mechanical energy to the generator
4 – electricity is transferred to the grid
a)
1-2-3-4
b)
2-1-3-4
c)
2-3-1-4
d)
2-4-3-1
16.
One of the risks when fracking for natural gas is
a)
contamination of drinking water
b)
radioactive materials released during a meltdown
c)
mine collapse and miner endangerment
d)
flooding of local areas
17.
Which of the following energy sources is a non-solar related energy source?
a)
geothermal
b)
natural gas
c)
wind
d)
tar sands
18.
Which of the following would reduce global greenhouse gas emissions?
a)
decrease the number of nuclear power plants
b)
replace wind farms with natural gas power plants
c)
convert tropical rainforest to farm land
d)
replace natural gas power plants with nuclear
19.
The world gets MOST of their energy through all of the following sources EXCEPT
a)
natural gas
b)
coal
c)
hydroelectric
d)
oil
20.
What is a possible downside to hydroelectric energy?
a)
generates high levels of pollution
b)
high startup cost
c)
low functional lifespan
d)
high operation and maintenance cost
21.
Climate change causes extreme weather conditions such as:
a)
excessive heat
b)
drought
c)
extreme storms
d)
all of these
22.
Climate change can cause increases in asthma, allergies and heart disease.
a)
True
b)
False
23.
Scientists predict that the hurricanes coming off the warming waters of the Gulf of Mexico will be less severe and less frequent.
a)
True
b)
False
24.
The greenhouse effect is beneficial as it helps to sustain life on earth by naturally trapping heat in the atmosphere.
a)
False
b)
True
25.
What is a consequence that increasing human population could have on the Earth's climate?
a)
decreasing global temperatures due to decreased fossil fuel use
b)
increased global temperatures due to increased use of fossil fuels
c)
a decreased heat island effect, due to less people living and working in urban areas
d)
all of these
26.
What is the difference between climate and weather?
a)
Climate averages the weather conditions in a specific place over a long period of time, while weather describes the state of the atmosphere at a specific moment in time.
b)
Weather averages the weather conditions in a specific place over a long period of time, while Climate describes the state of the atmosphere at a specific moment in time.
c)
Climate describes the weather conditions at night, while weather describes the conditions during the daytime.
d)
There is not a difference between climate and weather.
27.
Which of the following is not a greenhouse gas?
a)
Carbon dioxide
b)
Methane
c)
Water vapour
d)
Nitrogen
28.
How can the planting of new trees help reduce climate change?
a)
Trees help create breezes.
b)
Trees release moisture that cools the atmosphere.
c)
Trees take in carbon dioxide from the atmosphere during photosynthesis.
d)
Trees block the release of greenhouse gases from soil.
29.
What is the biggest danger posed by global warming to people living in coastal areas?
a)
increased precipitation
b)
increased acidity of sea water
c)
lack of carbon dioxide in the atmosphere
d)
rising sea level
30.
Global warming refers specifically to an increase in
a)
the number of storms on Earth.
b)
precipitation from Earth’s atmosphere.
c)
temperatures everywhere on Earth.
d)
Earth’s average surface temperature.
31.
What is the largest source of U.S. greenhouse gases?
a)
agriculture
b)
electricity generation
c)
transportation
d)
deforestation
32.
How has global warming made it more difficult for polar bears to hunt the seals they feed on?
a)
The population of seals has declined.
b)
Polar bears are forced to swim longer distances between ice sheets.
c)
Seals now have more places to hide.
d)
Polar bears are now being hunted more by other predators.
33.
Which action can reduce the greenhouse gas emissions caused by driving?
a)
taking more trips by car each day
b)
driving gasoline-powered automobiles
c)
using public transportation
d)
living farther from the workplace
34.
As a result of global warming, some plant species in the mountains of California have
a)
shifted their locations higher into the mountains.
b)
developed shorter root systems.
c)
increased the amount of area they cover.
d)
become extinct.
35.
If Earth did not have an atmosphere, most of the energy from the sun would
a)
be reflected back into space.
b)
be absorbed by Earth’s oceans.
c)
be absorbed by Earth’s landmasses.
d)
never reach Earth’s surface.
36.
Melting of glaciers and polar ice caps....
a)
will result in cooler temperatures in the Arctic
b)
will result in sea-levels rising
c)
Will have no effect on ecosystems
d)
None of the above
37.
Things you can do to help decrease global warming include:
a)
Eat more ice cream.
b)
Keep your freezer door open.
c)
Keep your air conditioner on high.
d)
Turn off your lights when you’re not using them.
38.
It was hot all week last week. Is this a sign of climate change?
a)
Yes
b)
No
39.
Worldwide, temperatures have been increasing for more than 100 years. Is this evidence of global warming?
a)
yes
b)
no
40.
The following graph tells us what?
a)
Sea Levels are decreasing.
b)
Sea Levels are rising.
41.
In the movie, "Wall-E", why are there big dust storms occurring on Earth?
a)
This naturally happens to Earth's weather over time.
b)
Global warming has upset the balance of Earth's weather cycles.
42.
What are some predictions about local changes brought on by global warming?
a)
More severe thunderstorms
b)
Days warming faster than nights
c)
Rising sea levels
d)
All of the above
43.
A warmer world is least likely to result in
a)
decreased food production
b)
reductions in biodiversity
c)
a rise in sea level
d)
more moderate weather
44.
Carmen is going to the market to purchase food for her family. She is very conscious of her choices and is working to reduce her carbon footprint. Which of the following would help her to be successful in her endeavor?
a)
Purchasing meats packaged at the local supermarket, but trucked in from out of state
b)
Purchasing fresh fruits and vegetables at the local supermarket that were shipped from out of state
c)
Purchasing fresh fruits and vegetables from the local farmer’s market
d)
None of these choices will reduce her carbon footprint
45.
All of the carbon dioxide data we've looked at shows...
a)
carbon dioxide levels are increasing and will probably continue to increase
b)
carbon dioxide levels are decreasing, but will probably increase
c)
carbond dioxide levels are increasing, but will probably decrease
d)
carbon dioxide levels are not changing
46.
All of the temperature data we've looked at shows...
a)
Global temperatures are increasing on average
b)
Global temperatures are decreasing on average
47.
What does all of the data suggest about carbon dioxide (a greenhouse gas) and global temperature?
a)
As CO2 levels increase, so does global average temperature
b)
As CO2 levels decrease, so does global average temperature
c)
As CO2 levels increase, global average temperature decreases
d)
There is no correlation between carbon dioxide levels and global temperature
48.
One of the ways we increase the amount of carbon dioxide is
a)
use less fossil fuels
b)
use alternative energy sources
c)
remove trees
d)
plant GMO crops
49.
Which of the following is not an effect of increasing global temperatures?
a)
melting sea ice and rising sea levels
b)
coastal flooding
c)
damage to homes
d)
increased resources and biodiversity
50.
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)
natural processes can alter ecosystem stability.
d)
direct harvesting practices have led to irreversible destruction of ecosystems.
51.
When fertilizers run off farmland into streams and ponds, the nitrogen content of the water increases. This can lead to rapid growth of algae in a process called eutrophication. How can this process affect other organisms in the water?
a)
Oxygen is used up as algae is decomposed, reducing the amount available to other organisms.
b)
The water becomes better able to support aerobic organisms.
c)
The algae provide food for fishes and other organisms, leading to decreased algae populations.
d)
The extra nitrogen provides additional food for the other organisms, increasing their population.
52.
A strip mining company wants to lease some land that is currently part of a national park. They promise to reclaim the land should any minerals be mined from the area, and they are willing to pay top dollar for the rights. As an ecologist, what factors would you raise with the local government?
a)
the threat to local biodiversity
b)
management of the land after the company leaves
c)
the new jobs that would be created
d)
the increased traffic in the area
53.
If worldwide deforestation (removal of forests) is not regulated, what could most likely result?
a)
Acid rain could lower the pH of rivers and lakes to dangerous levels for aquatic life
b)
CO2 levels in the atmosphere could increase and contribute to global warming problems
c)
Plants and animals could become better adapted to living in desert conditions.
d)
Future generations of humans could have an excess of wood and paper products.
54.
The northern elephant seal was almost hunted to extinction in the 1800s. By the late 1890s, approximately one hundred seals were left, reducing the gene pool of the population. What will be the consequence of this reduction?
a)
Competition within the population will increase.
b)
The surviving elephant seals will be better able to adapt.
c)
Inbreeding will be less frequent among the remaining population.
d)
The elephant seals will be more vulnerable to environmental change.
55.
DDT and other pesticides used over 50 years ago are still affecting the environment today. Scientists have found these substances in recent glacier runoff. Glacier runoff occurs during the summer, when precipitation that has fallen on glaciers during the winter is released. Ice layers from existing glaciers have been analyzed. The results of this analysis show that the concentrations of DDT and other pesticides were highest about 10 years after the use of these substances was banned. This information shows that
a)
DDT and other pesticides cause glacier runoff during the summer.
b)
it takes humans over 50 years to analyze a glacier.
c)
precipitation helps to break down pesticides.
d)
the decision of one human generation may have an impact on future generations.
56.
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.
57.
Salt water is an abundant resource but unusable for irrigation and drinking. As demands on freshwater sources increase, the use of desalination processes to remove salt from ocean water is increasing. A concern of desalinating water is the large amounts of recovered salts that are returned to the ocean. Which of the following describes the most likely impact of desalination on the surrounding ocean environment?
a)
Methane gas would pollute the ocean environment as shoreline organisms begin to die and decay.
b)
Alteration in ocean salt levels would cause loss of species and unbalanced populations in marine food webs.
c)
Nonrenewable resources in the ocean environment would become depleted and upset the ecosystem's balance.
d)
. Increased levels of salts and minerals in the ocean would result in overpopulation of marine bivalves due to strengthened shells.
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