Across
- 1. Other fossil fuel which is not as efficient as natural gas
- 3. Gas that makes up most of natural gas
- 6. What it is called when natural gas is brought in from another country
- 8. A place that natural gas is harvested from
- 9. __________ gas emissions are harmful gases that are made when fossil fuels are burned
- 11. Small movements in the Earth's surface that can be caused by fracking
- 15. Natural gas deposits that are store in the pores of stone
- 17. Natural gas deposits which are easy to harvest
- 18. Natural gas is a ______ fuel
- 19. Place where natural gas was first discovered
- 20. The place where the first natural gas well was created
Down
- 2. The type of natural gas that makes up less than 1% of natural gas used
- 4. Place where natural gas was first used residentially in North America
- 5. The tool used to create a well for natural gas harvesting
- 7. Heat and this are what are needed to create fossil fuels underground
- 10. What it is called when natural gas is sent to another country
- 12. Controversial process used to harvest unconventional natural gas deposits
- 13. Name of long pipes that are used to transport natural gas over long distances
- 14. The ______ burner, named for a German chemist
- 16. Other name for natural gas liquids