Gas
Oil
Flow
Electricity
Charge
Renewable
Energy
Coal
Mean
A substance in a form like air that is neither solid nor liquid.
The amount or type of electricity that an electrical device stores or that a substance carries.
A form of energy that can be produced in several ways and that provides power to devices that create light, heat, etc.
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.
The power from something such as electricity or oil that can do work, such as providing light and heat.
To move in one direction, especially continuously and easily
A quality or way of doing something that is in the middle of two completely different qualities or ways of doing something.
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
a thick liquid that comes from petroleum, used as a fuel and for making parts of machines move easily