AP Environmental Science Flashcards: Introduction To Air Pollution

What this deck covers

This deck focuses on Introduction To Air Pollution, giving you a quick way to review the definitions, rules, and examples that matter most for AP Environmental Science.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Flashcard 1: Which pollutant has a major role in forming ground-level ozone?

Answer: Volatile organic compounds (VOCs). Reacts with $NO_x$ in sunlight to form ground-level ozone.

Flashcard 2: Identify a primary indoor air pollutant.

Answer: Formaldehyde from building materials. Volatile organic compound released from construction materials.

Flashcard 3: What is the main anthropogenic source of CO₂ emissions?

Answer: Burning of fossil fuels for energy. Human activities release stored carbon into atmosphere.

Flashcard 4: What are the health risks of exposure to high levels of lead in the air?

Answer: Neurological and developmental damage. Lead affects brain and nervous system development.

Flashcard 5: What is the main source of sulfur dioxide (SO₂)?

Answer: Burning of fossil fuels by power plants. Coal and oil combustion releases sulfur compounds as $SO_2$.

Flashcard 6: What is the role of the Clean Air Act in the United States?

Answer: Regulates emissions of air pollutants. Federal law establishing air quality standards and emission limits.

Flashcard 7: Which pollutant is colorless and odorless, making it dangerous indoors?

Answer: Carbon monoxide (CO). Binds to hemoglobin, preventing oxygen transport in blood.

Flashcard 8: What is a catalytic converter's function in vehicles?

Answer: Reduces emissions of NOₓ, CO, and hydrocarbons. Converts toxic exhaust gases to less harmful compounds.

Flashcard 9: Identify a natural source of air pollution.

Answer: Volcanic eruptions releasing ash and gases. Natural geological processes release pollutants without human activity.

Flashcard 10: What is the effect of acid rain on aquatic ecosystems?

Answer: Lowers pH, harming aquatic life. Acidification disrupts aquatic food chains and ecosystems.

Flashcard 11: What are chlorofluorocarbons (CFCs) commonly used in?

Answer: Refrigerants and aerosol propellants. Synthetic compounds that deplete stratospheric ozone layer.

Flashcard 12: Which agency monitors air quality in the United States?

Answer: Environmental Protection Agency (EPA). Federal agency responsible for air quality standards and enforcement.

Flashcard 13: What is the effect of air pollution on visibility?

Answer: Decreases visibility through haze formation. Particles scatter light, reducing visual clarity.

Flashcard 14: What is a secondary pollutant?

Answer: Pollutant formed by reaction of primary pollutants. Forms when primary pollutants undergo chemical reactions in atmosphere.

Flashcard 15: Identify a consequence of ozone layer depletion.

Answer: Increased UV radiation reaching Earth's surface. Stratospheric ozone depletion allows harmful UV rays through.

Flashcard 16: Which pollutant has a major role in forming ground-level ozone?

Answer: Volatile organic compounds (VOCs). Reacts with $NO_x$ in sunlight to form ground-level ozone.

Flashcard 17: Identify a health risk of exposure to ground-level ozone.

Answer: Aggravates asthma and reduces lung function. Ground-level ozone irritates respiratory system.

Flashcard 18: What does AQI stand for?

Answer: Air Quality Index. Scale from 0-500 indicating air pollution health risk levels.

Flashcard 19: What is the main source of nitrogen oxides (NOₓ)?

Answer: Combustion engines and industrial processes. High-temperature combustion produces nitrogen oxides.

Flashcard 20: Which type of pollution can cause eutrophication in water bodies?

Answer: Nitrogen oxides (NOₓ) from air pollution. Nitrogen compounds act as fertilizers, causing algal overgrowth.

Flashcard 21: What is the role of sunlight in the formation of photochemical smog?

Answer: Sunlight triggers reactions forming smog. UV radiation catalyzes reactions between $NO_x$ and VOCs.

Flashcard 22: Identify a primary pollutant from vehicle emissions.

Answer: Carbon monoxide (CO). Released directly from vehicle exhaust without chemical transformation.

Flashcard 23: Identify a strategy to mitigate air pollution from power plants.

Answer: Installation of scrubbers and filters. End-of-pipe technologies that remove pollutants before emission.

Flashcard 24: Which human activity is a major source of ammonia emissions?

Answer: Agriculture, particularly livestock waste. Animal waste decomposition releases nitrogen compounds.

Flashcard 25: Identify a consequence of ozone layer depletion.

Answer: Increased UV radiation reaching Earth's surface. Stratospheric ozone depletion allows harmful UV rays through.

Flashcard 26: How does deforestation contribute to air pollution?

Answer: Reduces CO₂ absorption, increasing atmospheric CO₂. Trees normally absorb $CO_2$ during photosynthesis.

Flashcard 27: What is the main anthropogenic source of CO₂ emissions?

Answer: Burning of fossil fuels for energy. Human activities release stored carbon into atmosphere.

Flashcard 28: Identify a renewable energy source that reduces air pollution.

Answer: Solar energy. Produces electricity without combustion emissions.

Flashcard 29: Name a health effect of air pollution.

Answer: Respiratory diseases such as asthma. Particulates and gases irritate airways and lungs.

Flashcard 30: What is the role of the Clean Air Act in the United States?

Answer: Regulates emissions of air pollutants. Federal law establishing air quality standards and emission limits.

Flashcard 31: Identify a primary indoor air pollutant.

Answer: Formaldehyde from building materials. Volatile organic compound released from construction materials.

Flashcard 32: Identify a strategy to mitigate air pollution from power plants.

Answer: Installation of scrubbers and filters. End-of-pipe technologies that remove pollutants before emission.

Flashcard 33: What is the main source of nitrogen oxides (NOₓ)?

Answer: Combustion engines and industrial processes. High-temperature combustion produces nitrogen oxides.

Flashcard 34: How does deforestation contribute to air pollution?

Answer: Reduces CO₂ absorption, increasing atmospheric CO₂. Trees normally absorb $CO_2$ during photosynthesis.

Flashcard 35: What is the role of sunlight in the formation of photochemical smog?

Answer: Sunlight triggers reactions forming smog. UV radiation catalyzes reactions between $NO_x$ and VOCs.

Flashcard 36: What is PM2.5?

Answer: Particulate matter with diameter less than 2.5 micrometers. Fine particles penetrate deep into lungs and bloodstream.

Flashcard 37: Which gas is a major greenhouse gas contributing to global warming?

Answer: Carbon dioxide (CO₂). Traps heat in atmosphere through greenhouse effect.

Flashcard 38: What is the main component of smog?

Answer: Ground-level ozone (O₃). Forms when sunlight reacts with $NO_x$ and VOCs.

Flashcard 39: Identify a natural source of air pollution.

Answer: Volcanic eruptions releasing ash and gases. Natural geological processes release pollutants without human activity.

Flashcard 40: What is the primary cause of indoor air pollution in developing countries?

Answer: Use of biomass fuels for cooking and heating. Wood and coal burning releases particulates and toxic gases indoors.

Flashcard 41: Which agency monitors air quality in the United States?

Answer: Environmental Protection Agency (EPA). Federal agency responsible for air quality standards and enforcement.

Flashcard 42: What is the effect of acid rain on aquatic ecosystems?

Answer: Lowers pH, harming aquatic life. Acidification disrupts aquatic food chains and ecosystems.

Flashcard 43: What are chlorofluorocarbons (CFCs) commonly used in?

Answer: Refrigerants and aerosol propellants. Synthetic compounds that deplete stratospheric ozone layer.

Flashcard 44: What is PM2.5?

Answer: Particulate matter with diameter less than 2.5 micrometers. Fine particles penetrate deep into lungs and bloodstream.

Flashcard 45: What is the significance of the Montreal Protocol?

Answer: International treaty to phase out ozone-depleting substances. Global agreement that successfully reduced ozone depletion.

Flashcard 46: Identify a method to reduce vehicle emissions.

Answer: Use of catalytic converters. Chemical devices that convert harmful gases to less toxic compounds.

Flashcard 47: What is a common source of volatile organic compounds (VOCs)?

Answer: Paints and solvents. Organic chemicals that evaporate easily at room temperature.

Flashcard 48: Which pollutant is typically removed by baghouse filters?

Answer: Particulate matter (PM). Fabric filters physically trap solid particles from gas streams.

Flashcard 49: What is a common source of volatile organic compounds (VOCs)?

Answer: Paints and solvents. Organic chemicals that evaporate easily at room temperature.

Flashcard 50: Identify a renewable energy source that reduces air pollution.

Answer: Solar energy. Produces electricity without combustion emissions.

Flashcard 51: What are the health risks of exposure to high levels of lead in the air?

Answer: Neurological and developmental damage. Lead affects brain and nervous system development.

Flashcard 52: Which gas is a major greenhouse gas contributing to global warming?

Answer: Carbon dioxide (CO₂). Traps heat in atmosphere through greenhouse effect.

Flashcard 53: Identify a health risk of exposure to ground-level ozone.

Answer: Aggravates asthma and reduces lung function. Ground-level ozone irritates respiratory system.

Flashcard 54: What is a secondary pollutant?

Answer: Pollutant formed by reaction of primary pollutants. Forms when primary pollutants undergo chemical reactions in atmosphere.

Flashcard 55: Which pollutant is colorless and odorless, making it dangerous indoors?

Answer: Carbon monoxide (CO). Binds to hemoglobin, preventing oxygen transport in blood.

Flashcard 56: What is a catalytic converter's function in vehicles?

Answer: Reduces emissions of NOₓ, CO, and hydrocarbons. Converts toxic exhaust gases to less harmful compounds.

Flashcard 57: What is the purpose of air scrubbers in industrial settings?

Answer: Remove pollutants from exhaust streams. Chemical or physical systems that capture harmful emissions.

Flashcard 58: What is a temperature inversion in the context of air pollution?

Answer: A layer of warm air traps pollutants near the ground. Prevents vertical air mixing, concentrating pollutants at surface.

Flashcard 59: Identify a primary pollutant from vehicle emissions.

Answer: Carbon monoxide (CO). Released directly from vehicle exhaust without chemical transformation.

Flashcard 60: What is a temperature inversion in the context of air pollution?

Answer: A layer of warm air traps pollutants near the ground. Prevents vertical air mixing, concentrating pollutants at surface.

Flashcard 61: Which human activity is a major source of ammonia emissions?

Answer: Agriculture, particularly livestock waste. Animal waste decomposition releases nitrogen compounds.

Flashcard 62: What is the primary cause of indoor air pollution in developing countries?

Answer: Use of biomass fuels for cooking and heating. Wood and coal burning releases particulates and toxic gases indoors.

Flashcard 63: Name a health effect of air pollution.

Answer: Respiratory diseases such as asthma. Particulates and gases irritate airways and lungs.

Flashcard 64: What is the main source of sulfur dioxide (SO₂)?

Answer: Burning of fossil fuels by power plants. Coal and oil combustion releases sulfur compounds as $SO_2$.

Flashcard 65: What is the primary environmental impact of methane as a pollutant?

Answer: Significant greenhouse effect contributing to climate change. Methane has 25x greater warming potential than $CO_2$.

Flashcard 66: Which pollutant is typically removed by baghouse filters?

Answer: Particulate matter (PM). Fabric filters physically trap solid particles from gas streams.

Flashcard 67: Which type of pollution can cause eutrophication in water bodies?

Answer: Nitrogen oxides (NOₓ) from air pollution. Nitrogen compounds act as fertilizers, causing algal overgrowth.

Flashcard 68: What is the effect of air pollution on visibility?

Answer: Decreases visibility through haze formation. Particles scatter light, reducing visual clarity.

Flashcard 69: What is the purpose of air scrubbers in industrial settings?

Answer: Remove pollutants from exhaust streams. Chemical or physical systems that capture harmful emissions.