Fossil fuels

Definition

Fossil fuels are energy resources formed from the remains of ancient plants and animals over millions of years. They include coal, oil, and natural gas and are used to generate electricity and power various forms of transportation.

5 Must Know Facts For Your Next Test

1. Fossil fuels store chemical energy that is released through combustion.
2. Burning fossil fuels releases carbon dioxide (CO2), contributing to greenhouse gas emissions.
3. They are a non-renewable resource, meaning they cannot be replenished on a human timescale.
4. Fossil fuels account for a significant portion of global energy consumption.
5. The efficiency and environmental impact of fossil fuel usage vary depending on the type and method of extraction.

Review Questions

• What types of fossil fuels are commonly used for energy production?
• How does the combustion of fossil fuels contribute to greenhouse gas emissions?
• Why are fossil fuels considered non-renewable resources?

Related terms

Chemical Energy:

Energy stored in the bonds of chemical compounds, which can be released during a chemical reaction.

Greenhouse Gas Emissions: Gases such as CO2 that trap heat in the Earth's atmosphere, contributing to global warming.

Non-Renewable Resource: A natural resource that cannot be readily replaced by natural means at a quick enough pace to keep up with consumption.