What You Need To Know About Energy
What do you know about energy?
Since the beginning of the industrial revolution, about how much have atmospheric carbon dioxide concentrations increased?
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Correct!
CO2 concentration in the atmosphere has risen about 43% since the beginning of the industrial revolution in the mid-eighteenth century-half of that since 1980
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Sorry, that’s incorrect.
CO2 concentration in the atmosphere has risen about 43% since the beginning of the industrial revolution in the mid-eighteenth century-half of that since 1980
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Sorry, that’s incorrect.
CO2 concentration in the atmosphere has risen about 43% since the beginning of the industrial revolution in the mid-eighteenth century-half of that since 1980
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Sorry, that’s incorrect.
CO2 concentration in the atmosphere has risen about 43% since the beginning of the industrial revolution in the mid-eighteenth century-half of that since 1980
Which has been growing more, energy to heat homes or energy to cool homes?
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Sorry, that’s incorrect.
Current trends indicate that by 2040 residential buildings will consume up to 28% less energy for heating but about 50% more for cooling.
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Correct!
Current trends indicate that by 2040 residential buildings will consume up to 28% less energy for heating but about 50% more for cooling.
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Sorry, that’s incorrect.
Current trends indicate that by 2040 residential buildings will consume up to 28% less energy for heating but about 50% more for cooling.
What is the commonly accepted unit of measurement for electric current—or the amount of an electric charge passing a point per unit time?
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Sorry, that’s incorrect.
The ampere, or amp, is the most commonly used measurement for electric current.
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Sorry, that’s incorrect.
The ampere, or amp, is the most commonly used measurement for electric current.
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Correct!
The ampere, or amp, is the most commonly used measurement for electric current.
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Sorry, that’s incorrect.
The ampere, or amp, is the most commonly used measurement for electric current.
In 2014, what percentage of the United States' total energy consumption came from oil?
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Sorry, that’s incorrect.
In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020.
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Sorry, that’s incorrect.
In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020.
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Sorry, that’s incorrect.
In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020.
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Correct!
In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020.
In 2014, approximately how much energy did the United States use, in quadrillion BTUs?
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Sorry, that’s incorrect.
U.S. energy consumption was about 98 quads in 2014.
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Sorry, that’s incorrect.
U.S. energy consumption was about 98 quads in 2014.
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Sorry, that’s incorrect.
U.S. energy consumption was about 98 quads in 2014.
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Correct!
U.S. energy consumption was about 98 quads in 2014.
True or false? Fuel cells store energy.
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Sorry, that’s incorrect.
Fuel cells are an efficient way to convert hydrogen to electricity, but the energy is stored in the hydrogen.
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Correct!
Fuel cells are an efficient way to convert hydrogen to electricity, but the energy is stored in the hydrogen.
What is the largest reservoir of stored solar energy?
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Sorry, that’s incorrect.
Fossil fuels represent the largest source of stored solar energy, resulting from the transformation of biomass over millions of years into oil, natural gas and coal.
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Sorry, that’s incorrect.
Fossil fuels represent the largest source of stored solar energy, resulting from the transformation of biomass over millions of years into oil, natural gas and coal.
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Correct!
Fossil fuels represent the largest source of stored solar energy, resulting from the transformation of biomass over millions of years into oil, natural gas and coal.
Which of the following is considered an obstacle to cars running on hydrogen fuel cells?
- Cost of fuel cells
- Difficulty storing and transporting hydrogen
- Process of collecting pure hydrogen
- All of the above
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Sorry, that’s incorrect.
All of the reasons mentioned are considered obstacles to producing cars that run on hydrogen fuel cells.
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Sorry, that’s incorrect.
All of the reasons mentioned are considered obstacles to producing cars that run on hydrogen fuel cells.
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Sorry, that’s incorrect.
All of the reasons mentioned are considered obstacles to producing cars that run on hydrogen fuel cells.
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Correct!
All of the reasons mentioned are considered obstacles to producing cars that run on hydrogen fuel cells.
In 2014, how much of the world's CO2 is released by the United States?
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Sorry, that’s incorrect.
The United States emits about 18% of the world’s greenhouse gases, behind only China, which accounts for approximately one-quarter of total global emissions.
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Correct!
The United States emits about 18% of the world’s greenhouse gases, behind only China, which accounts for approximately one-quarter of total global emissions.
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Sorry, that’s incorrect.
The United States emits about 18% of the world’s greenhouse gases, behind only China, which accounts for approximately one-quarter of total global emissions.
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Sorry, that’s incorrect.
The United States emits about 18% of the world’s greenhouse gases, behind only China, which accounts for approximately one-quarter of total global emissions.
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