The ability to do work is energy.
Non renewable energy source produced from atomic reactions of fission.
The Sun's energy is collected and converted to electrical energy; this energy is a renewable resource.
A large enough concentration of a mineral making it profitable to mine.
Turbines use movement of air to convert it to electrical energy; is a renewable resource.
An energy resource that takes millions of years to form from the remains of plants and animals - coal, oil, natural gas, and uranium.
Energy made from once living things - wood, garbage, alchohol.
An amount of fossil fuel that can be extracted from the ground to make a profit.
A hard, black solid fuel formed from the remains of plants over millions of years; a nonrenewable fossil fuel that is mined.
The splitting of the nucleus of an atom to make energy.
An energy resource such as trees or wind that is replaceable by natural means in a short period of time is called a renewable resource.
Using old materials to make new products is reducing.
A source or supply of energy that can be used to generate electrical power at a profit is a reserve.
Heat from beneath the surface of the Earth used to produce electrical energy from steam.
A black liquid used for heating homes, making gasoline or for plastics; it is a nonrenewable fossil fuel that is pumped from the ground.
A natural, non-renewable fuel such as coal, oil, or natural gas formed millions of years ago.
A renewable source of energy based on the movement of water.
A gas that is burned to cook food or for heat; a nonrenewable fossil fuel that is pumped from the ground.