9781422275993

Sources of Electricity E lectricity is the most commonly used form of energy. It is used to light and warm homes, and to run all kinds of machines and appliances. Most of the electricity that we use is obtained by burning coal, petroleum, and natural gas .

Nonrenewable Sources of Energy

Nonrenewable sources of energy are sources that are available in nature in a limited amount. These sources are also known as non- replenish- able sources of energy and need to be used carefully. They include fossil fuels , such as coal, oil, and gasoline. Even nuclear energy is another nonrenewable source of energy. It is produced by the chemical reaction s of radioactive element s in a nuclear power plant. It produces a large amount of energy that is used to produce electricity.

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SCIENCE & TECHNOLOGY