Renewable Energy Quiz - Wind and Solar Power

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Questions and Answers

What percentage of global energy consumption does wind energy provide?

  • 5%
  • 8%
  • 2% (correct)
  • 1%

What is the main function of a wind turbine?

  • To store electricity
  • To pump water uphill
  • To convert sunlight into electricity
  • To turn flowing air into electric power (correct)

Which of the following accurately describes variable generation?

  • Power generation that remains constant throughout the day
  • Power generation that only occurs with solar energy
  • Power generation that changes with time of day and weather conditions (correct)
  • Power generation dependent on human demand

What is the common technology used for large-scale energy storage?

<p>Pumped hydro (A)</p> Signup and view all the answers

What type of solar power technology uses large mirrors to capture heat?

<p>Concentrated solar thermal (CST) plants (B)</p> Signup and view all the answers

What is the primary energy source for wind energy?

<p>Solar radiation (A)</p> Signup and view all the answers

Which of the following is NOT mentioned as an alternative energy source?

<p>Natural gas (D)</p> Signup and view all the answers

What is one disadvantage of using wind power?

<p>It can cause variability in electricity generation. (B)</p> Signup and view all the answers

Which of the following statements about solar energy is accurate?

<p>Solar power technology includes photovoltaic panels and CST plants (B)</p> Signup and view all the answers

Which statement accurately describes microgrid systems?

<p>Microgrid systems can prioritize power to essential facilities. (D)</p> Signup and view all the answers

What is true regarding fuel-cell electric vehicles (EVs)?

<p>Fuel-cell EVs emit only water. (A)</p> Signup and view all the answers

Why are nuclear fuel power plants considered more efficient than fossil fuel power plants?

<p>They can power devices for much longer with less fuel. (C)</p> Signup and view all the answers

Which of the following statements is inaccurate about microgrid systems?

<p>Microgrid systems are not suitable for urban areas. (D)</p> Signup and view all the answers

What is a characteristic of photovoltaic (PV) panels?

<p>They are made using hazardous heavy metals. (A)</p> Signup and view all the answers

What incorrect assumption can be made about fossil fuel and nuclear power plants?

<p>Both types of power plants produce equal amounts of waste. (A)</p> Signup and view all the answers

What is a characteristic of hydropower that can be considered a disadvantage?

<p>It relies on dams that can flood large areas. (B)</p> Signup and view all the answers

What percentage of energy used to power modern lifestyles comes from fossil fuels?

<p>80% (A)</p> Signup and view all the answers

What is the primary composition of hydrocarbons found in fossil fuels?

<p>Hydrogen and carbon (A)</p> Signup and view all the answers

Which fossil fuel is formed from ancient tropical swamps subjected to immense pressure?

<p>Coal (B)</p> Signup and view all the answers

What distinguishes unconventional reserves of fossil fuels?

<p>They require advanced technology for extraction (B)</p> Signup and view all the answers

What process allowed the energy stored in dead microscopic organisms to convert into oil?

<p>Burial under sediment (C)</p> Signup and view all the answers

Which of the following correctly describes natural gas?

<p>A gaseous fossil fuel primarily made of methane (D)</p> Signup and view all the answers

What steps are involved in the overall process of utilizing fossil fuels?

<p>Extraction, distribution, production, and combustion (D)</p> Signup and view all the answers

How long ago did the formation of fossil fuels begin?

<p>Over 100 million years ago (B)</p> Signup and view all the answers

What is the primary concern of ecocentrism?

<p>The relationships among all living and nonliving components in ecosystems (C)</p> Signup and view all the answers

Which law was established to provide the highest level of environmental protection for designated federal lands?

<p>Wilderness Act of 1964 (D)</p> Signup and view all the answers

What is urban transition primarily characterized by?

<p>A trend of populations becoming more urban and less rural (A)</p> Signup and view all the answers

Which of these factors is not considered a contributing factor to suburban sprawl?

<p>Decrease in US population post-World War II (C)</p> Signup and view all the answers

What does the term 'urban penalty' refer to?

<p>Health problems associated with urban living (D)</p> Signup and view all the answers

What are persistent organic pollutants known for?

<p>Having high resistance to environmental breakdown (C)</p> Signup and view all the answers

What defines a slum or informal settlement?

<p>Substandard housing and lack of urban services (D)</p> Signup and view all the answers

Which phenomenon suggests that larger cities offer more opportunities and excitement?

<p>Bright lights syndrome (B)</p> Signup and view all the answers

What is an example of green infrastructure?

<p>Building with rooftop and ground-level rain gardens (D)</p> Signup and view all the answers

How do toxicologists typically measure risk for chemicals?

<p>By determining the dose needed to kill 50% of the exposed population (D)</p> Signup and view all the answers

What does 'economy of scale' imply in the context of urban living?

<p>Per capita costs decrease as operations scale up (D)</p> Signup and view all the answers

What is the floor-to-area ratio (FAR) used to measure?

<p>Total floor space relative to land area (A)</p> Signup and view all the answers

Which of the following best describes urbanization?

<p>Growth of urban areas and population density (D)</p> Signup and view all the answers

What defines an informal economy?

<p>Small ventures that evade government regulation and taxation (B)</p> Signup and view all the answers

What is a common characteristic of chemicals like DDT and PCBs?

<p>They resist breakdown through various processes (A)</p> Signup and view all the answers

What is the primary characteristic of a megalopolis?

<p>A chain of closely located metropolitan areas (A)</p> Signup and view all the answers

What is the significance of urban density?

<p>It reflects the number of residents per space unit (A)</p> Signup and view all the answers

What does induced traffic refer to?

<p>Increased congestion from added road capacity (A)</p> Signup and view all the answers

What is one of the potential environmental impacts of hydraulic fracturing?

<p>Cause of earthquakes (B)</p> Signup and view all the answers

Which of the following statements correctly describes fracking?

<p>It involves a mixture of water, sand, and chemicals. (D)</p> Signup and view all the answers

What is a method used to improve oil extraction in oil fields?

<p>Fracking (D)</p> Signup and view all the answers

Which material is a fossil fuel and not classified as a biofuel?

<p>Coal (B)</p> Signup and view all the answers

Which of the following processes specifically diverts carbon dioxide exhaust?

<p>Carbon capture and storage (B)</p> Signup and view all the answers

What role does a beneficiation plant serve in coal processing?

<p>It crushes and washes extracted coal. (B)</p> Signup and view all the answers

What is the term for removing the material above coal deposits to access the coal?

<p>Mountaintop removal (B)</p> Signup and view all the answers

What is an incorrect statement regarding the impacts of fracking?

<p>Fracking increases the use of natural gas. (C)</p> Signup and view all the answers

Flashcards

Wilderness Act of 1964

The Wilderness Act of 1964 designates certain federal lands as wilderness areas, affording the highest level of environmental protection. It emphasizes that humans are visitors in these areas and the natural ecosystem should remain undisturbed.

Ecocentrism

An ethical perspective that values the well-being of entire ecosystems, including living and non-living components. It considers the nitrogen cycle as important as the people and animals in a savanna.

LD50

The amount of a substance required to kill 50% of a test population. This threshold can vary depending on the chemical in question.

Persistence

The ability of a substance to persist in the environment without breaking down. Chemicals with high persistence remain in the environment for a long time.

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Persistent Organic Pollutants (POPs)

Chemicals that resist breakdown through chemical reactions, biological processes, or sunlight exposure. Examples include DDT and PCBs.

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Suburban Sprawl

The spread of urban development outward from city centers, characterized by low-density housing, car dependency, and sprawling infrastructure.

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Green Infrastructure

Urban design features that mimic natural ecosystem processes to provide environmental benefits. Examples include rooftop gardens and rain gardens.

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New Urbanism

A type of urban planning that focuses on creating walkable, livable neighborhoods with reduced reliance on automobiles. Features include tree-lined streets and grid patterns.

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Infrastructure

Physical structures like roads, buildings, and parking lots that support urban life.

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Urban Transition

The shift of populations from rural areas to urban areas.

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Urban Area

A densely populated area with a majority of residents working in non-agricultural jobs.

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Rural Area

Opposite of an urban area, with a lower population density and a reliance on agriculture.

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Urban Penalty

The negative health effects associated with living in an urban environment, such as higher crime rates and disease.

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Urban Density

The number of residents per unit of space in an urban area.

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Economy of Scale

When the cost per person for services decreases as the number of people using the service increases.

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Slum or Informal Settlement

Urban areas with substandard housing, lacking proper ownership, services, and high poverty rates.

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Bright Lights Syndrome

The perception that cities offer more opportunities, excitement, and freedom.

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Informal Economy

Small businesses operating outside of formal regulation and taxation.

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Wind Power - Wildlife Impact

Wind turbines can harm birds and bats by striking them during flight.

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Wind Power - Variable Generation

Wind power is dependent on wind speed and direction, which are constantly changing. This makes it difficult to predict and rely on for consistent electricity generation.

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Microgrid - Power Sources

Microgrids can generate power from multiple sources, such as solar, wind, and batteries, depending on the specific installation.

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Microgrid - Essential Facility Prioritization

During a disruption to the main power grid, microgrids can prioritize vital facilities like hospitals, ensuring their continued operation.

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Hydropower - Environmental Impact

Large dams used for hydropower impact river ecosystems and flood large areas of land, potentially displacing communities and altering natural habitats.

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Solar Panel Manufacturing - Environmental Concerns

Manufacturing solar panels involves using hazardous chemicals, such as heavy metals and acids, which can pose environmental and health risks if not handled correctly.

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Nuclear Power - Radioactive Waste

Nuclear power plants produce radioactive waste, which is highly dangerous and requires careful management and disposal.

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Fuel Cell EVs - Emissions

Fuel-cell EVs produce only water as an emission, making them much cleaner than traditional gasoline-powered vehicles.

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Energy Alternatives

Energy sources that are alternatives to traditional fossil fuels, like coal and oil.

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Wind Turbine

A machine that uses flowing air to turn large blades, which in turn power a generator and create electricity.

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Variable Generation

A power source with generating capacity that changes according to the time of day, weather conditions, or other factors.

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Photovoltaic (PV) Solar Panel

A panel that produces an electric charge when it is exposed to sunlight.

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Concentrated Solar Thermal (CST) Plant

A solar power technology that captures heat using huge mirrors to focus sunlight toward liquid-filled pipes or a centrally located "power tower."

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Pumped Hydro

The most common large-scale energy storage technology that uses electricity to pump water uphill when energy is plentiful, and releases water downhill to generate electricity when energy is scarce.

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Biofuel: Ethanol

A renewable fuel source made from plant materials like corn or sugarcane.

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Hydroelectric Power

A type of hydroelectric power that generates electricity from the flow of water in dams.

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Coal Ash

A hazardous residue produced by coal-fired power plants.

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Fracking

The process of injecting a mixture of water, sand, and chemicals into a well to release oil or gas.

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Mountaintop Removal

The practice of removing material above coal deposits to access the coal underneath.

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Enhanced Oil Recovery

A process that condenses carbon dioxide and injects it underground to force oil deposits to the surface.

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Drilling Rig

A device used to extract oil or gas from the earth.

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Carbon Capture and Storage

A process involving capturing carbon dioxide exhaust from power plants and injecting it underground.

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Beneficiation Plant

The site where extracted coal is crushed and washed.

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Biofuel

The use of living organisms to produce energy.

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What are Fossil Fuels?

Fossil fuels are formed from the remains of ancient living organisms, primarily plants and microscopic animals that lived millions of years ago.

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What are Hydrocarbons?

Hydrocarbons are carbon-based molecules that are the building blocks of oil and natural gas. They formed from ancient organisms that used sunlight for energy.

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What is Oil?

Oil is a liquid fossil fuel that formed from marine organisms that died and were buried under sediment. It is rich in hydrocarbons.

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What is Natural Gas?

Natural gas is a gaseous fossil fuel that formed alongside oil from ancient organisms. It contains mostly methane, a potent greenhouse gas.

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What is Coal?

Coal is a solid fossil fuel formed from ancient plant matter that was buried and compressed over millions of years. It is rich in carbon.

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What are Fossil Fuel Reserves?

Reserves refer to the known and economically recoverable amounts of fossil fuels. They are classified as conventional (easy) or unconventional (difficult) based on extraction methods.

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Are Fossil Fuels Renewable?

Fossil fuels are non-renewable resources because their rate of formation is much slower than the rate at which we extract and use them.

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Have We Always Used Fossil Fuels?

Fossil fuels have been used for centuries, primarily starting with wood and then transitioning to coal, oil, and natural gas. They are now the dominant energy source for our modern lifestyle.

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Study Notes

Deontological Ethics

  • Dolphins have intrinsic value and should be protected regardless of their usefulness to humans.
  • All life forms have inherent value.
  • The government has a responsibility to ensure safe, healthy, productive, and aesthetically pleasing surroundings for all Americans.

Utilitarian Ethics

  • The purpose of conservation is to maximize happiness for the greatest number of people over the longest period.
  • The government should aim for the widest range of beneficial environmental uses without causing harm to health, safety, or the environment.
  • Failing to address climate change will lead to greater harm than the immediate benefits of inaction.
  • The "Tradedy of the Commons" describes the depletion of a shared resource due to individual self-interest without consideration of the negative impact on others.

Policy Process

  • Identifying which problems to address.
  • Evaluating policies.
  • Implementing policies.
  • Crafting policies.
  • Approving policies.

Ethical Positions

  • Anthropocentrism: only human beings matter, animals exist solely as a resource for people.
  • Anthropocentrism: only considers how actions affecting the environment will impact people.
  • Ecocentrism: considers all living and nonliving components of an ecosystem.
  • Biocentrism: all life, both living and non-living, has value, and all species deserve protection.

Efficiency Gains

  • The Jevons Paradox states that efficiency gains in the use of a resource can lead to increased consumption of that resource.

Government Policies

  • Clean Water Act: policy governing water pollution.
  • Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA): prioritizes hazardous waste sites for cleanup.
  • Wilderness Act: establishes the highest level of environmental protection for federal lands.
  • Resource Conservation and Recovery Act: governing the disposal of solid and hazardous waste.
  • National Environmental Policy Act: requires an Environmental Impact Statement for federal actions affecting the environment.

Ecosystem Services

  • Some examples listed include wetlands filtering water and trees shading rivers to keep water cool.

Environmental Concerns and Protection

  • Wilderness Act, defining areas where humans are visitors to prevent environmental damage, and maintain the natural state.
  • Defining and recognizing Ecocentrism where all aspects of ecosystems are valuable.

Urbanization

  • Factors that contribute to suburban sprawl include the Federal-Aid Highway Act of 1956, lack of regional planning, and consumer culture.
  • Green infrastructure can help improve the heating and cooling efficiency of buildings and retain stormwater. This includes rooftop gardens and ground-level rain gardens.

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