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Energy Crossword Puzzle

Across
Methane molecules formed many years ago from the remains of dead ocean organisms.
A radioactive element used for nuclear power generation.
Efforts made to use less energy, primarily for electrical power generation.
The main compound in natural gas.
A substance that provides energy as the result of a chemical change.
A synonym for crude oil.
The energy carried by electromagnet waves.
The splitting of an atom's nucleus into two smaller nuclei and neutrons, releasing a large quantity of energy.
The energy carried by an electric current.
Ways of getting energy, primarily for electrical power generation.
An energy resource formed
Energy from organic material like wood chips, animal waste, and crops.
A liquid transportation fuel that can be produced from crude oil.
Down
Heat energy from within the earth that can be captured in the form of steam or hot water.
The kinetic energy of moving air molecules.
Energy released from the nucleus of radioactive atoms.
Energy resources humans are using faster than the rate at which they can be replaced in the environment
A type of potential energy stored in an object due to its height above earths surface.
Energy from the sun that can be converted into heat and electricity.
Energy transferred by waves moving through the ground.
Kinetic energy of moving water molecules.
A nonrenewable energy resource formed from the remains of organisms that lived long ago.
Energy resources that are "nearly perpetual" in their availability.
Energy carried by sound waves.
An energy resource formed from the remains of ancient marine organisms.