Across
- 6. The process used to separate crude oil into individual components
- 8. A method used to extinguish a chip pan fire
- 11. The site of fractional distillation
- 12. This gas contributes to greenhouse gases, and therefore global warming
- 13. A type of fossil fuel formed from dead plant material
Down
- 1. The name given to the individual components separated from crude oil
- 2. This gas burns with a pop
- 3. A type of renewable energy
- 4. How energy is measured
- 5. This gas makes up 78% of the Earth's atmosphere
- 7. The gas required for a substance to burn
- 9. The term that describes the process of energy being released from food
- 10. The term used to describe how runny a liquid is