The energy-rich substances formed from the remains of organisms that lived millions of years ago.
Fossil Fuels
Energy from the sun.
Solar Energy
Alcohol added to gasoline.
Gasohol
Fuel
What is the capital of Australia?
Canberra
Chemical compounds that contain carbon and hydrogen atoms.
Hydrocarbons
Electricity produced by flowing water.
Hydroelectric Power
The part of a nuclear reactor in which nuclear fission occurs.
Reactor
The main source of fuel for most of human history.
Wood
In what year did WWII end?
1945
A thick, black, liquid fossil fuel formed from the remains of small animals, algae, and other organisms that lived in oceans and shallow inland seas millions of years ago. Also known as oil.
Petroleum
Fuels made from living things.
Biomass Fuels
Rods of radioactive uranium inside the reactor.
Fuel Rods
The percentage of energy actually used to perform work.
Efficiency
What is the name of the fictional town in Stranger Things?
Hawkins, Indiana
A factory in which crude oil is heated and separated into fuels and other products.
Refinery
Intense heat from earth's interior that warms magma.
Geothermal Energy
Rods inserted near fuel rods to slow down fission reactions that are made of cadmium, boron, or hafnium.
Control Rods
A layer of material that traps air.
Insulation
What is the largest desert in the world?
Antarctic Polar Desert
Compounds made from oil.
Petrochemicals
The splitting of an atom's nucleus into two nuclei.
Nuclear Fission
How do nuclear plants produce electricity?
The heat released from nuclear fission reactions is used to turn water into steam, which turns the blades of a turbine to generate electricity.
The reduction of energy use.
Energy Conservation
What is the smallest country in the world?
Vatican City