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apes guided reading
Terms in this set (36)
What term refers to the capture and use of waste heat?
The ratio of the actual amount of energy delivered where it is needed to the amount of energy supplied in order to meet that need is the
What are the three main energy sources used in the U.S?
Petroleum, natural gas, and coal.
Total worldwide energy use today is about 13.8 terawatts (trillions watts), and that figure is increasing very rapidly. The two general trends that are leading to the rapid increase in energy use are population growth and
burning fossil fuels
Which energy source supplies the majority of electrical power generation in the U.S.?
oil and gas
Producing one unit of electrical energy from coal or oil requires three units of energy input (coal, oil). What happens to the rest?
about 50% of energy is lost
What are some problems with exploiting oil shale and tar sand deposits as an alternative to crude oil?
The recovery techniques used can be very harmful to the environment.
What is the purpose of enhanced (or "secondary) production of petroleum?
Harmful oils can come to the surface during the production of petroleum.
In some ways, natural gas is considered a better fossil fuel than oil. What is one way?
They can produced in greater amounts with less harm to the environment.
One problem with petroleum as an energy source is that the resource is not distributed evenly about the Earth. The largest proven reserves of oil are located in what par of the world?
Today, the most abundant economic fossil fuel resource is
What are some options to reduce the air pollution caused by coal combustion?
Allowance trading can help to reduce the air pollution caused by coal combustion.
What is the major environmental benefit from burning coal-bed methane?
Coal-bed methane produces less carbon dioxide than burning petroleum.
Of the four common classes of coal, which is generally the highest sulfur content?
List three arguments that have been raised in favor of exploration and petroleum production in Alaska
1 It will create more jobs.
2 Enhance technology will make drilling practices safer.
3 Not a large amount of the population will be affected by Alaska's drilling.
List three arguments that have been raised against of exploration and petroleum production in the Alaska National Wildlife Refuge (ANWR).
Drilling will change the environment.
2 Ice roads are constructed from water from the tundra ponds.
3 Heavy vehicles used in exploration permanently scar the ground.
List four proposals for reducing gasoline consumption in the U.S.
1 Using natural gas.
2 Using coal-bed methane.
3 Using methane hydrates.
4_Using Natural Gas.
High sulfur coal is considered to be more environmentally damaging than the low sulfur varieties. Name one specific problem associated with high sulfur coal at the mine site and another problem associated with combustion of high sulfur coal.
High sulfur coal at the mine site can cause air pollution and the combustion of high sulfur coal can have a negative impact on human health.
A centralized collection device for generating power from the Sun is called (a)n
What term refer to a device that generates electricity by chemical reactions involving hydrogen or methane or some other material?
What term refers to energy produced from any source other than fossil fuels?
What is one principal advantage of photovoltaic cells?
they are renewable resources
Use of overhangs that block sunlight in summer but allow the sunlight in winter to warm up the building is an example of what type of solar energy?
passive solar energy
What one factor, more than others, determines the suitability of tidal power for a coastal site?
the effectiveness of the system
What are three environmental problems associated with wind power?
Windmills kill birds, large windmill farms use areas of land that could have other uses, and windmills may degrade an areas arsenic resources.
What term refers to the energy absorbed by an organism due to radiation exposure?
radiation absorbtion exposure
In addition to spent fuel, what other waste material is associated with nuclear energy?
The Energy Policy Act of 2005 considered the role of nuclear power in the U.S. energy mix. What was it's recommendation with regard to nuclear power plants
To limit the amount of nuclear power plants created.
Pros- can generate electric energy
Cons- dams for the power can block pathways for fish
Pros- can provide large amount of energy
Cons- mines can produce radioactive waste/spills
Pros- is a nonrenewable resource
Cons- gas emissions
Pros- can create new jobs and be a source of power
Cons- wind mill sites can degrade the environment
Pros- has a limited environmental effect
Cons- may not always be reliable
Pros- produces limited greenhouse gases
Cons- energy could be lost
fuel cells/electric cars
Pros- an environmentally friendlier choice
Cons- cost more for the individual
Pros- has a low environmental impact
Cons- enough sunlight may not be in a certain area for a long enough time
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