The National Academies
What You Need To Know About Energy
What do you know about energy?
Which of the following is not considered to be a drawback to wind energy?
- Wind's intermittency
- Aesthetic impact of wind farms
- Risks to birds and bats
- All of the above are considered drawbacks
-
Sorry, that’s incorrect.
While wind energy has many benefits, all of the above are considered drawbacks to wind energy.
-
Sorry, that’s incorrect.
While wind energy has many benefits, all of the above are considered drawbacks to wind energy.
-
Sorry, that’s incorrect.
While wind energy has many benefits, all of the above are considered drawbacks to wind energy.
-
Correct!
While wind energy has many benefits, all of the above are considered drawbacks to wind energy.
What is the commonly accepted unit of measurement for electric current—or the amount of an electric charge passing a point per unit time?
-
Sorry, that’s incorrect.
The ampere, or amp, is the most commonly used measurement for electric current.
-
Sorry, that’s incorrect.
The ampere, or amp, is the most commonly used measurement for electric current.
-
Correct!
The ampere, or amp, is the most commonly used measurement for electric current.
-
Sorry, that’s incorrect.
The ampere, or amp, is the most commonly used measurement for electric current.
Most of the world's energy originates from which two primary sources:
-
Correct!
The energy we capture for use on Earth comes largely from the sun or from nuclear forces local to our own planet.
-
Sorry, that’s incorrect.
The energy we capture for use on Earth comes largely from the sun or from nuclear forces local to our own planet.
-
Sorry, that’s incorrect.
The energy we capture for use on Earth comes largely from the sun or from nuclear forces local to our own planet.
In 2008, of the four economic sectors, which used the most energy in the United States?
-
Sorry, that’s incorrect.
In 2008, industry used 31% of the total energy used; next was transportation at 28%, then residential at 22%, and commercial at 19%.
-
Sorry, that’s incorrect.
In 2008, industry used 31% of the total energy used; next was transportation at 28%, then residential at 22%, and commercial at 19%.
-
Sorry, that’s incorrect.
In 2008, industry used 31% of the total energy used; next was transportation at 28%, then residential at 22%, and commercial at 19%.
-
Correct!
In 2008, industry used 31% of the total energy used; next was transportation at 28%, then residential at 22%, and commercial at 19%.
True or False: Burning biofuels does not release carbon dioxide.
-
Sorry, that’s incorrect.
Biofuels contain carbon and although they may burn “cleaner” than oil-derived fuels, they do not avoid generating carbon dioxide emissions.
-
Correct!
Biofuels contain carbon and although they may burn “cleaner” than oil-derived fuels, they do not avoid generating carbon dioxide emissions.
The consumption of energy in the United States is projected to rise by how much between now and 2030?
-
Sorry, that’s incorrect.
U.S. consumption of energy sources is projected to rise by 13% between now and 2030.
-
Correct!
U.S. consumption of energy sources is projected to rise by 13% between now and 2030.
-
Sorry, that’s incorrect.
U.S. consumption of energy sources is projected to rise by 13% between now and 2030.
True or False: Lighting accounts for 18% of all electricity used in the United States.
-
Correct!
Lighting accounts for 18% of the electricity used in the United States. A 12% decrease in overall electricity use in buildings could be realized if incandescent bulbs were replaced with CFL or LED bulbs.
-
Sorry, that’s incorrect.
Lighting accounts for 18% of the electricity used in the United States. A 12% decrease in overall electricity use in buildings could be realized if incandescent bulbs were replaced with CFL or LED bulbs.
In 2008, approximately how much of the oil used in the U.S. was imported?
-
Sorry, that’s incorrect.
In 2008, the U.S. imported about 66% of its oil supply. This percentage is expected to grow even higher over the next two decades.
-
Sorry, that’s incorrect.
In 2008, the U.S. imported about 66% of its oil supply. This percentage is expected to grow even higher over the next two decades.
-
Correct!
In 2008, the U.S. imported about 66% of its oil supply. This percentage is expected to grow even higher over the next two decades.
About 21% of the electricity used in residential and commercial buildings goes to what use?
-
Sorry, that’s incorrect.
Roughly 21% of the electricity used in residential and commercial buildings goes to lighting.
-
Sorry, that’s incorrect.
Roughly 21% of the electricity used in residential and commercial buildings goes to lighting.
-
Correct!
Roughly 21% of the electricity used in residential and commercial buildings goes to lighting.
-
Sorry, that’s incorrect.
Roughly 21% of the electricity used in residential and commercial buildings goes to lighting.
Thank you for taking our quiz.
Place this badge on your facebook page to show your friends what you know about energy.
Place this badge on your facebook page to show your friends what you know about energy.
OR, get a higher score to unlock a different badge.
Place this badge on your facebook page to show your friends what you know about energy.
OR, get a higher score to unlock a different badge.
Explore Other Topics
Energy Hands-on
Understanding Efficiency
Learn the significance of energy efficiencyOur Energy System
A visualization of all our energy sourcesEnergy Defined
- Mechanical Energy
The sum of kinetic energy and potential energy, or the energy stored within a system.
