Mean
Renewable
Coal
Electricity
Oil
Flow
Energy
Gas
Charge
The amount or type of electricity that an electrical device stores or that a substance carries.
A quality or way of doing something that is in the middle of two completely different qualities or ways of doing something.
The power from something such as electricity or oil that can do work, such as providing light and heat.
a thick liquid that comes from petroleum, used as a fuel and for making parts of machines move easily
A form of energy that can be produced in several ways and that provides power to devices that create light, heat, etc.
To move in one direction, especially continuously and easily
A hard, black substance that is dug from the earth in pieces, and can be burned to produce heat or power, or a single piece of this.
A substance in a form like air that is neither solid nor liquid.
Relating to forms of energy that are produced using the sun, wind, etc., or from crops, rather than those using fuels such as oil or coal