Global Energy Consumption - AP Environmental Science
Card 1 of 30
Which sector has the highest potential for energy efficiency improvements?
Which sector has the highest potential for energy efficiency improvements?
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Buildings sector. Heating, cooling, and lighting offer major efficiency opportunities.
Buildings sector. Heating, cooling, and lighting offer major efficiency opportunities.
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What is the main reason for the decline in coal usage in some countries?
What is the main reason for the decline in coal usage in some countries?
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Environmental regulations. Pollution controls and climate policies are reducing coal dependence.
Environmental regulations. Pollution controls and climate policies are reducing coal dependence.
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What does the acronym 'IEA' stand for in the context of energy?
What does the acronym 'IEA' stand for in the context of energy?
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International Energy Agency. Global organization that tracks and analyzes world energy trends.
International Energy Agency. Global organization that tracks and analyzes world energy trends.
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Which form of renewable energy is derived from the sun?
Which form of renewable energy is derived from the sun?
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Solar energy. Photovoltaic cells convert sunlight directly into electricity.
Solar energy. Photovoltaic cells convert sunlight directly into electricity.
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What is the primary energy source for residential heating?
What is the primary energy source for residential heating?
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Natural gas. Natural gas furnaces and boilers heat most homes and buildings.
Natural gas. Natural gas furnaces and boilers heat most homes and buildings.
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Identify the largest energy consumer in the European Union.
Identify the largest energy consumer in the European Union.
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Germany. Germany has the largest economy and energy consumption in the EU.
Germany. Germany has the largest economy and energy consumption in the EU.
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Name one environmental consequence of nuclear energy.
Name one environmental consequence of nuclear energy.
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Radioactive waste. Nuclear reactions produce long-lived radioactive byproducts.
Radioactive waste. Nuclear reactions produce long-lived radioactive byproducts.
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What is the main component of natural gas?
What is the main component of natural gas?
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Methane ($CH_4$). Natural gas is primarily composed of this hydrocarbon molecule.
Methane ($CH_4$). Natural gas is primarily composed of this hydrocarbon molecule.
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Which energy source is primarily used in the production of plastics?
Which energy source is primarily used in the production of plastics?
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Oil. Petroleum serves as feedstock for petrochemical manufacturing processes.
Oil. Petroleum serves as feedstock for petrochemical manufacturing processes.
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What is the primary energy source for electricity generation worldwide?
What is the primary energy source for electricity generation worldwide?
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Coal. Coal-fired power plants generate the majority of global electricity.
Coal. Coal-fired power plants generate the majority of global electricity.
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Which renewable energy source is the most widely used globally?
Which renewable energy source is the most widely used globally?
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Hydropower. Dams harness flowing water to generate electricity in many countries.
Hydropower. Dams harness flowing water to generate electricity in many countries.
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What is the main component of natural gas?
What is the main component of natural gas?
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Methane ($CH_4$). Natural gas is primarily composed of this hydrocarbon molecule.
Methane ($CH_4$). Natural gas is primarily composed of this hydrocarbon molecule.
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Name one key environmental impact of biomass energy.
Name one key environmental impact of biomass energy.
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Deforestation. Harvesting wood for fuel can lead to forest clearing.
Deforestation. Harvesting wood for fuel can lead to forest clearing.
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Define 'energy intensity'.
Define 'energy intensity'.
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Energy use per unit of GDP. Measures how much energy is needed to produce economic output.
Energy use per unit of GDP. Measures how much energy is needed to produce economic output.
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What is the key benefit of energy efficiency?
What is the key benefit of energy efficiency?
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Reduction in energy consumption. Using less energy reduces costs and environmental impact.
Reduction in energy consumption. Using less energy reduces costs and environmental impact.
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Calculate the energy cost in dollars for 5 kWh at \$0.15 per kWh.
Calculate the energy cost in dollars for 5 kWh at \$0.15 per kWh.
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\$0.75. Multiply energy usage by rate: $5 × 0.15 = 0.75$ dollars.
\$0.75. Multiply energy usage by rate: $5 × 0.15 = 0.75$ dollars.
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What is the primary energy source for transportation?
What is the primary energy source for transportation?
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Oil. Petroleum-based fuels power most vehicles and aircraft worldwide.
Oil. Petroleum-based fuels power most vehicles and aircraft worldwide.
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What percentage of global energy consumption is derived from nuclear power?
What percentage of global energy consumption is derived from nuclear power?
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About 10%. Nuclear provides significant baseload power without carbon emissions.
About 10%. Nuclear provides significant baseload power without carbon emissions.
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Define 'energy intensity'.
Define 'energy intensity'.
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Energy use per unit of GDP. Measures how much energy is needed to produce economic output.
Energy use per unit of GDP. Measures how much energy is needed to produce economic output.
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What is the term for the transition from fossil fuels to clean energy?
What is the term for the transition from fossil fuels to clean energy?
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Energy transition. The shift from fossil fuels to renewable and sustainable energy sources.
Energy transition. The shift from fossil fuels to renewable and sustainable energy sources.
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Identify one negative impact of hydropower.
Identify one negative impact of hydropower.
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Disruption of aquatic ecosystems. Dams alter river flow and can harm fish migration patterns.
Disruption of aquatic ecosystems. Dams alter river flow and can harm fish migration patterns.
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Name one benefit of using natural gas over coal for energy.
Name one benefit of using natural gas over coal for energy.
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Lower $CO_2$ emissions. Natural gas burns cleaner than coal, producing fewer emissions.
Lower $CO_2$ emissions. Natural gas burns cleaner than coal, producing fewer emissions.
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State the percentage of global energy consumption met by renewable sources.
State the percentage of global energy consumption met by renewable sources.
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Approximately 14%. Renewables have grown rapidly but still represent a small fraction of total energy use.
Approximately 14%. Renewables have grown rapidly but still represent a small fraction of total energy use.
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Identify the main greenhouse gas released by burning fossil fuels.
Identify the main greenhouse gas released by burning fossil fuels.
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Carbon dioxide ($CO_2$). Combustion of fossil fuels releases this primary greenhouse gas.
Carbon dioxide ($CO_2$). Combustion of fossil fuels releases this primary greenhouse gas.
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What is the primary energy source for electricity in the United States?
What is the primary energy source for electricity in the United States?
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Natural gas. Natural gas power plants have largely replaced coal in US electricity generation.
Natural gas. Natural gas power plants have largely replaced coal in US electricity generation.
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What is the primary source of global energy consumption?
What is the primary source of global energy consumption?
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Fossil fuels. Coal, oil, and natural gas provide about 80% of global energy needs.
Fossil fuels. Coal, oil, and natural gas provide about 80% of global energy needs.
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Name the largest producer of solar energy as of recent data.
Name the largest producer of solar energy as of recent data.
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China. China leads in both solar panel manufacturing and installation capacity.
China. China leads in both solar panel manufacturing and installation capacity.
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Calculate the total energy in kWh for a 100W bulb running for 10 hours.
Calculate the total energy in kWh for a 100W bulb running for 10 hours.
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$1$ kWh. Power × time: $100W × 10h = 1000Wh = 1kWh$.
$1$ kWh. Power × time: $100W × 10h = 1000Wh = 1kWh$.
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Which fossil fuel emits the least $CO_2$ per unit of energy?
Which fossil fuel emits the least $CO_2$ per unit of energy?
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Natural gas. Natural gas produces about half the $CO_2$ of coal per energy unit.
Natural gas. Natural gas produces about half the $CO_2$ of coal per energy unit.
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Identify the fastest-growing source of electricity in the world.
Identify the fastest-growing source of electricity in the world.
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Renewable energy. Solar and wind are expanding rapidly as costs decline.
Renewable energy. Solar and wind are expanding rapidly as costs decline.
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