AP Environmental Science Flashcards: Global Energy Consumption

What this deck covers

This deck focuses on Global Energy Consumption, 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: What is the primary energy source for residential heating?

Answer: Natural gas. Natural gas furnaces and boilers heat most homes and buildings.

Flashcard 2: Name one environmental consequence of nuclear energy.

Answer: Radioactive waste. Nuclear reactions produce long-lived radioactive byproducts.

Flashcard 3: What is the main reason for the decline in coal usage in some countries?

Answer: Environmental regulations. Pollution controls and climate policies are reducing coal dependence.

Flashcard 4: Calculate the energy cost in dollars for 5 kWh at $0.15 per kWh.

Answer: $0.75. Multiply energy usage by rate: $5 × 0.15 = 0.75$ dollars.

Flashcard 5: Identify the main greenhouse gas released by burning fossil fuels.

Answer: Carbon dioxide ($CO_2$). Combustion of fossil fuels releases this primary greenhouse gas.

Flashcard 6: What does 'BTU' stand for in energy measurements?

Answer: British Thermal Unit. Traditional imperial unit for measuring heat energy content.

Flashcard 7: Identify the largest energy consumer in the European Union.

Answer: Germany. Germany has the largest economy and energy consumption in the EU.

Flashcard 8: What is the primary benefit of using wind energy?

Answer: Zero emissions during operation. Wind turbines generate electricity without producing air pollution.

Flashcard 9: Identify one negative impact of hydropower.

Answer: Disruption of aquatic ecosystems. Dams alter river flow and can harm fish migration patterns.

Flashcard 10: What percentage of global energy consumption is derived from nuclear power?

Answer: About 10%. Nuclear provides significant baseload power without carbon emissions.

Flashcard 11: What is the primary benefit of using wind energy?

Answer: Zero emissions during operation. Wind turbines generate electricity without producing air pollution.

Flashcard 12: Which renewable energy source is the most widely used globally?

Answer: Hydropower. Dams harness flowing water to generate electricity in many countries.

Flashcard 13: What is the global average energy consumption per capita?

Answer: About 80 GJ per year. Represents typical individual energy use across all sectors globally.

Flashcard 14: Which fossil fuel is the largest contributor to global energy consumption?

Answer: Oil. Petroleum accounts for the largest share of global energy consumption.

Flashcard 15: Name the largest producer of solar energy as of recent data.

Answer: China. China leads in both solar panel manufacturing and installation capacity.

Flashcard 16: What is the primary energy source for electricity generation worldwide?

Answer: Coal. Coal-fired power plants generate the majority of global electricity.

Flashcard 17: What is the key benefit of energy efficiency?

Answer: Reduction in energy consumption. Using less energy reduces costs and environmental impact.

Flashcard 18: What is the term for the transition from fossil fuels to clean energy?

Answer: Energy transition. The shift from fossil fuels to renewable and sustainable energy sources.

Flashcard 19: What is the unit of measurement for energy consumption?

Answer: Joule (J) or Watt-hour (Wh). Standard SI unit for energy; Wh commonly used for electricity.

Flashcard 20: What is the main factor driving the increase in global energy demand?

Answer: Population growth. More people means higher energy needs for homes and economic activity.

Flashcard 21: Identify the main advantage of geothermal energy.

Answer: Low environmental impact. Uses Earth's internal heat with minimal surface disturbance.

Flashcard 22: Define 'energy intensity'.

Answer: Energy use per unit of GDP. Measures how much energy is needed to produce economic output.

Flashcard 23: What is the unit of measurement for energy consumption?

Answer: Joule (J) or Watt-hour (Wh). Standard SI unit for energy; Wh commonly used for electricity.

Flashcard 24: Calculate the energy cost in dollars for 5 kWh at $0.15 per kWh.

Answer: $0.75. Multiply energy usage by rate: $5 × 0.15 = 0.75$ dollars.

Flashcard 25: List one major environmental impact of coal consumption.

Answer: Air pollution. Coal burning releases particulates and toxic gases into the atmosphere.

Flashcard 26: What is the key benefit of energy efficiency?

Answer: Reduction in energy consumption. Using less energy reduces costs and environmental impact.

Flashcard 27: Which country is the largest consumer of energy globally?

Answer: China. China's large population and industrial activity drive massive energy demand.

Flashcard 28: Name one key environmental impact of biomass energy.

Answer: Deforestation. Harvesting wood for fuel can lead to forest clearing.

Flashcard 29: Name one benefit of using natural gas over coal for energy.

Answer: Lower $CO_2$ emissions. Natural gas burns cleaner than coal, producing fewer emissions.

Flashcard 30: What is the term for the transition from fossil fuels to clean energy?

Answer: Energy transition. The shift from fossil fuels to renewable and sustainable energy sources.

Flashcard 31: Name one key environmental impact of biomass energy.

Answer: Deforestation. Harvesting wood for fuel can lead to forest clearing.

Flashcard 32: What is the primary use of oil in the global energy mix?

Answer: Transportation. Most oil is refined into gasoline, diesel, and jet fuel.

Flashcard 33: Which energy source is primarily used in the production of plastics?

Answer: Oil. Petroleum serves as feedstock for petrochemical manufacturing processes.

Flashcard 34: List one major environmental impact of coal consumption.

Answer: Air pollution. Coal burning releases particulates and toxic gases into the atmosphere.

Flashcard 35: Calculate the total energy in kWh for a 100W bulb running for 10 hours.

Answer: $1$ kWh. Power × time: $100W × 10h = 1000Wh = 1kWh$.

Flashcard 36: What is the primary energy source for residential heating?

Answer: Natural gas. Natural gas furnaces and boilers heat most homes and buildings.

Flashcard 37: State the percentage of global energy consumption met by renewable sources.

Answer: Approximately 14%. Renewables have grown rapidly but still represent a small fraction of total energy use.

Flashcard 38: Which renewable energy source is the most widely used globally?

Answer: Hydropower. Dams harness flowing water to generate electricity in many countries.

Flashcard 39: Which country is the largest consumer of energy globally?

Answer: China. China's large population and industrial activity drive massive energy demand.

Flashcard 40: What is the main factor driving the increase in global energy demand?

Answer: Population growth. More people means higher energy needs for homes and economic activity.

Flashcard 41: What is the primary energy source for transportation?

Answer: Oil. Petroleum-based fuels power most vehicles and aircraft worldwide.

Flashcard 42: Identify the fastest-growing source of electricity in the world.

Answer: Renewable energy. Solar and wind are expanding rapidly as costs decline.

Flashcard 43: Calculate the total energy in kWh for a 100W bulb running for 10 hours.

Answer: $1$ kWh. Power × time: $100W × 10h = 1000Wh = 1kWh$.

Flashcard 44: Which sector has the highest potential for energy efficiency improvements?

Answer: Buildings sector. Heating, cooling, and lighting offer major efficiency opportunities.

Flashcard 45: What is the primary source of global energy consumption?

Answer: Fossil fuels. Coal, oil, and natural gas provide about 80% of global energy needs.

Flashcard 46: Name one benefit of using natural gas over coal for energy.

Answer: Lower $CO_2$ emissions. Natural gas burns cleaner than coal, producing fewer emissions.

Flashcard 47: What is the global average energy consumption per capita?

Answer: About 80 GJ per year. Represents typical individual energy use across all sectors globally.

Flashcard 48: Which sector is responsible for the highest energy consumption globally?

Answer: Industrial sector. Manufacturing and heavy industry consume the most energy globally.

Flashcard 49: Which form of renewable energy is derived from the sun?

Answer: Solar energy. Photovoltaic cells convert sunlight directly into electricity.

Flashcard 50: Identify the main advantage of geothermal energy.

Answer: Low environmental impact. Uses Earth's internal heat with minimal surface disturbance.

Flashcard 51: Which sector is responsible for the highest energy consumption globally?

Answer: Industrial sector. Manufacturing and heavy industry consume the most energy globally.

Flashcard 52: Name one environmental consequence of nuclear energy.

Answer: Radioactive waste. Nuclear reactions produce long-lived radioactive byproducts.

Flashcard 53: Define 'energy intensity'.

Answer: Energy use per unit of GDP. Measures how much energy is needed to produce economic output.

Flashcard 54: Which form of renewable energy is derived from the sun?

Answer: Solar energy. Photovoltaic cells convert sunlight directly into electricity.

Flashcard 55: What is the primary energy source for electricity in the United States?

Answer: Natural gas. Natural gas power plants have largely replaced coal in US electricity generation.

Flashcard 56: Identify one negative impact of hydropower.

Answer: Disruption of aquatic ecosystems. Dams alter river flow and can harm fish migration patterns.

Flashcard 57: Which fossil fuel emits the least $CO_2$ per unit of energy?

Answer: Natural gas. Natural gas produces about half the $CO_2$ of coal per energy unit.

Flashcard 58: What does 'BTU' stand for in energy measurements?

Answer: British Thermal Unit. Traditional imperial unit for measuring heat energy content.

Flashcard 59: What percentage of global energy consumption is derived from nuclear power?

Answer: About 10%. Nuclear provides significant baseload power without carbon emissions.

Flashcard 60: What does the acronym 'IEA' stand for in the context of energy?

Answer: International Energy Agency. Global organization that tracks and analyzes world energy trends.

Flashcard 61: What is the main component of natural gas?

Answer: Methane ($CH_4$). Natural gas is primarily composed of this hydrocarbon molecule.

Flashcard 62: What does the acronym 'IEA' stand for in the context of energy?

Answer: International Energy Agency. Global organization that tracks and analyzes world energy trends.

Flashcard 63: Identify the main greenhouse gas released by burning fossil fuels.

Answer: Carbon dioxide ($CO_2$). Combustion of fossil fuels releases this primary greenhouse gas.

Flashcard 64: What is the primary use of oil in the global energy mix?

Answer: Transportation. Most oil is refined into gasoline, diesel, and jet fuel.

Flashcard 65: Which fossil fuel is the largest contributor to global energy consumption?

Answer: Oil. Petroleum accounts for the largest share of global energy consumption.

Flashcard 66: What is the primary energy source for transportation?

Answer: Oil. Petroleum-based fuels power most vehicles and aircraft worldwide.

Flashcard 67: What is the primary energy source for electricity generation worldwide?

Answer: Coal. Coal-fired power plants generate the majority of global electricity.

Flashcard 68: What is the main component of natural gas?

Answer: Methane ($CH_4$). Natural gas is primarily composed of this hydrocarbon molecule.

Flashcard 69: Which energy source is primarily used in the production of plastics?

Answer: Oil. Petroleum serves as feedstock for petrochemical manufacturing processes.