Renewable and non-renewable energy sources

Classes of energy

Renewable & non-renewable energy sources

Renewable energy

A source of energy that can be generated continuously

Non-renewable energy

Energy sources that are limited and cannot be regenerated

Examples of renewable energy

Sun, waves, water, wind and biomass

Examples of non-renewable energy

Fossil fuel like coal, natural gas and petroleum & nuclear substances like uranium

The reason why the sun is classified as renewable energy

The sun is a constant source of energy

The reason why fossil fuel is classified as non-renewable energy

Fossil fuel will run out in the future

Biodiesel

Is a fuel made from vegetable oil or animal fat

The importance of using energy wisely

To prevent wastage of energy and to reduce environmental pollution

The type of environmental pollution from the usage of fossil fuel

Increase the emission of carbon dioxide into the air causes air pollution