How do governments use gasoline taxes?

As a tool to discourage automobile use (if the taxes are high)

For other transportation needs, such as public transport

Why have our reserves of oil increased in the last 30 years?

Our technology for accessing oil has improved.

More oil is produced all the time as algae continue to be compressed.

We just keep building more oil wells.

Reserves have increased because of higher oil prices.

The environmental problems associated with burning oil are

the release of carbon dioxide and nitrous oxides, which contribute to global warming and acid rain

Hundreds of millions of years ago, from the remains of plants and marine organisms

Hundreds of millions of year ago, from dinosaur bones

Tens of millions of years ago, from plant remains

Tens of millions of years ago, from animal remains

What's the difference between conventional strip mining and the mining described in the video?

conventional strip mining was concentrated in easier-to-access areas and mountain top mining is in the mountains

conventional strip mining had an underground component

mountain top mining is underground

only strip mining has a negative impact on water quality

Both of these answers are correct.

is a form of an element. Each isotope has a different number of neutrons.

can be unstable and lose particles from their nuclei.

The radioactive decay of the nucleus of an atom

The creation of energy using nuclear power

The ability of nuclear energy to cause genetic mutations

The accumulation of uranium in a given location

The most damaging kind of radiation is

all of these are equally damaging

Nuclear reactors create electricity by

Using the heat generated by nuclear reactions to create steam to turn a turbine

Using nuclear reactions in a controlled environment to excite electrons

Using nuclear reactions to heat coal and other fossil fuels

Using the natural radioactivity of certain elements to generate water movement

Eisenhower predicted that nuclear energy would make electricity so cheap, we wouldn't even need to meter it (charge people for it). What didn't he know about that we know now?

He didn't know about any of these things.

About the danger in nuclear meltdowns

About the expense of running nuclear power plants

About the difficulty in storing nuclear waste

What is the goal of using nuclear reactions in a nuclear power plant?

To generate enough heat to boil water

To produce electricity by forcing water through a pipe

To send out neutrons as electricity

The construction of nuclear reactors is controversial because

Past accidents at reactors have exposed people to high levels of radioactivity.

They are more expensive than other kinds of electric-generating plants.

They do not produce electricity as efficiently as the use of fossil fuels

They are responsible, in part, for the depletion of the ozone layer.

What do the nuclear accidents at Three Mile Island, Chernobyl, and Fukushima all have in common?

In all cases, the ability to keep the nuclear reactor cool was threatened or lost.

They were all caused by earthquakes.

They were all caused by foreign attacks.

They all resulted in massive explosions and release of radioactive material.

What is the main difference between the accidents at Three Mile Island and Chernobyl?

In Chernobyl, the radioactive material did escape from the reactor and it caused death, illness, and the permanent shutdown of a city, while at Three Mile Island, such a fate was averted.

In Chernobyl, there were no people harmed, but at Three Mile Island, there were.

In Chernobyl, the accident was caused by an earthquake, but at Three Mile Accident, it was caused by human failure.

In Chernobyl, the problem was rapidly dealt with and solved so no harm came from the accident, while at Three Mile Island, the accident went on for several days.

Radioactive waste is held in barrels all around the country. What is the danger associated with this waste?

If the radioactive material leaks into the environment, it can make people quite sick.

The leaking barrels release heavy metals into groundwater and streams.

Radioactive waste can become airborne and disrupt the carbon cycle.

Why isn't nuclear energy included in the chart as a renewable energy source?

Its fuel, uranium, is a mined resource, which is not renewable.

It is considered too dangerous to be sustainable.

It doesn't produce enough of the world's energy to be included in the list.

Which of the following is an environmental impact of burning wood for heating and cooking?

Poor air quality in the home due to smoke

Deforestation and loss of habitat

It contributes to a loss of biodiversity

This graph shows the amount of hydroelectric power generated in several countries in 2012. What do all of these countries have in common?

They all have large river valleys with a drop in elevation.

They are all in the western hemisphere.

They are all developed countries.

They all use the Euro or the dollar as their currency.

gather photons, which excite the movement of electrons, much like plants do during photosynthesis

gather heat from the sun and the heat is used to boil water, which turns a turbine, which generates the movement of electrons

gather wavelengths of energy from the sun, which powers generators

On the first page, the circle graph shows that biomass conversion makes up about 10% of the world's energy consumption. This is more than solar, wind, or water energy. Why do you think biomass is the biggest proportion of the world's renewable energy?

All of these answers are correct.

It's available in developing countries, but other sources of energy are not.

It's a type of fuel that can be found in the environment and doesn't have to be mined or imported.

Why don’t all coastal cities use tidal power to generate electricity?

Because there have to be large changes in the tide; i.e., 16 feet

Because some communities don’t want to destroy coastal habitats

Which of the following is a disadvantage of hydroelectric power?

It requires too much new technology to build.

What is the number one reason that solar power, wind power, hydropower, geothermal power, and tidal power, are considered to be advantageous over burning fossil fuels?

They do not emit greenhouse gases.

They do not cause depletion of the ozone layer.

They all re-use or recycle other products.

The blades of the large white windmills at wind farms

turn an internal smaller turbine that produces electricity

are like a turbine and produce electricity directly

produce enough power to heat water and the steam turns a turbine to make electricity

can only be used for heating, but not for electricity

Which kind of solid waste produces the greatest volume of material?

Mining and oil and gas production

When you build a landfill, the bottom has to be lined with a plastic lining in order to prevent

plastic bags from becoming part of the underlying soil

The system at the Rumpke recycling center in Columbus is called “single stream” because

there is only one big pile of mixed recyclables that they sort once it is there

only one kind of recyclable goes through the plant at a time

there is a beautiful stream flowing through the plant

only a single family in Columbus recycles

What portion of the waste we generate could be recycled, re-used or composted?

we recycle about all we can, so 26%

Where would it be favorable to use incinerators to burn household waste?

All of these are conditions that make sense if you're going to build a waste incinerator

Where land for landfills is limited, such as on an island

Where there are strict rules about air pollutants from the incinerators and the pollutants are scrubbed from smoke stacks

Where there is a steady supply of household waste

Why do you think Japan and Denmark are leaders in the construction and use of waste-to-energy facilities?

They have limited land area and high population density

They have many advanced engineers

They have mostly non-toxic trash

Which of the following is an advantage of composting food scraps at home and not sending them to a landfill?

All of these are advantage of home composting

Waste decomposes aerobically so no methane is produced

Less waste goes to the landfill, so ultimately less landfill space is needed

The rotted food waste is a good soil supplement

How did the Great Pacific Garbage Patch happen?

Plastic trash from landfills, mostly in Asia, plus dumped trash from ships, eventually ends up in the Pacific.

The U.S. puts trash on barges and dumps it in the Pacific Ocean due to scarce landfill space.

Plastic bags and balloons that blow away eventually end up in the Pacific Ocean.

Recycling centers actually do not recycle plastics. They dump them at sea.

What is the effect of the bottle bill in Michigan?

It reduces the amount of trash that goes to landfills

Bottles are recycled and re-used

Environmental Test 4

Authored by Erica Perkins

Science

University

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61 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Usable electricity is generated by

Heating a source of water to produce steam, which turns a large turbine, that causes a generator to create the movement of electrons

Turning a turbine to heat water to produce the movement of electrons

Moving protons and electrons back and forth across a surface

None of the above

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you had lived a century ago, what would have been your main source of energy for both heating and cooking?

wood

whale oil

coal

oil

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The main source of energy used to generate electricity in the U.S. is

hydroelectric power

biomass conversion

solar panels

natural gas

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of our appliances consumes the most energy?

washing machine

dryer

television

refrigerator

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What would be a good way to lower your electric bill?

Buy a new energy efficient refrigerator.

Use only energy-efficient light bulbs.

Unplug appliances when not in use.

Turn off fans, TV, lights when you leave the room.

All of these would decrease my use of electricity.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Europe, gasoline use per person is less than in the U.S. Why?

They have better and more extensive public transportation.

Gasoline is heavily taxed to discourage its use.

Their cars and trucks tend to be smaller and lighter.

All of the above.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What factors influence the price of a barrel of oil?

unrest in oil-producing areas

major weather problems like hurricanes, in areas of production or refinement

political issues in both producing and consuming nations

all of the above

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Environmental Test 4

Usable electricity is generated by

If you had lived a century ago, what would have been your main source of energy for both heating and cooking?

The main source of energy used to generate electricity in the U.S. is

Which of our appliances consumes the most energy?

What would be a good way to lower your electric bill?

In Europe, gasoline use per person is less than in the U.S. Why?

What factors influence the price of a barrel of oil?

Today people in developed countries consume far more energy per person than people over 100 years ago. What is the greatest contributor to this change?

How do governments use gasoline taxes?

Why have our reserves of oil increased in the last 30 years?

Access all questions and much more by creating a free account

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